##############################
172.23.106.236: 1 core dump seen
2022-02-17 08:02:36,453 | infra | DEBUG   | MainThread | [remote_util:execute_command_raw_jsch:3223] Running command on 172.23.106.236: rm -rf /opt/couchbase/var/lib/couchbase/crash/45ad64b1-dc45-497e-4c400c97-c93924ea.core
running: //opt/couchbase/bin/minidump-2-core /opt/couchbase/var/lib/couchbase/crash/45ad64b1-dc45-497e-4c400c97-c93924ea.dmp > /opt/couchbase/var/lib/couchbase/crash/45ad64b1-dc45-497e-4c400c97-c93924ea.core
2022-02-17 08:02:36,470 | infra | DEBUG   | MainThread | [remote_util:execute_command_raw_jsch:3223] Running command on 172.23.106.236: //opt/couchbase/bin/minidump-2-core /opt/couchbase/var/lib/couchbase/crash/45ad64b1-dc45-497e-4c400c97-c93924ea.dmp > /opt/couchbase/var/lib/couchbase/crash/45ad64b1-dc45-497e-4c400c97-c93924ea.core
running: gdb --batch /opt/couchbase/bin/memcached -c /opt/couchbase/var/lib/couchbase/crash/45ad64b1-dc45-497e-4c400c97-c93924ea.core -ex "bt full" -ex quit
2022-02-17 08:02:36,500 | infra | DEBUG   | MainThread | [remote_util:execute_command_raw_jsch:3223] Running command on 172.23.106.236: gdb --batch /opt/couchbase/bin/memcached -c /opt/couchbase/var/lib/couchbase/crash/45ad64b1-dc45-497e-4c400c97-c93924ea.core -ex "bt full" -ex quit
172.23.106.236: Stack Trace of first crash - 45ad64b1-dc45-497e-4c400c97-c93924ea.dmp
Core was generated by `/opt/couchbase/bin/memcached -C /opt/couchbase/var/lib/couchbase/config/memcach'.
 #0  bufferevent_incref_and_lock_ (bufev=bufev@entry=0x0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/bufferevent.c:683
 #0  bufferevent_incref_and_lock_ (bufev=bufev@entry=0x0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/bufferevent.c:683
         locking = 0x0
         bufev_private = 0x0
 #1  0x00007f3d6f0f6ad2 in bufferevent_trigger (bufev=0x0, iotype=<optimized out>, options=65540) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/bufferevent.c:279
 No locals.
 #2  0x00000000005d8eb6 in Connection::triggerCallback (this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:1236
 No locals.
 #3  0x00000000005b29b9 in operator() (__closure=0x7f3d60436200) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:173
         phosphor_internal_category_enabled_temp_169 = <optimized out>
         phosphor_internal_guard_169 = {tpiWait = 0xc5fa80 <scheduleDcpStep(Cookie&)::{lambda()#3}::operator()() const::phosphor_internal_tpi_wait_169>, tpiHeld = 0xc5fa40 <scheduleDcpStep(Cookie&)::{lambda()#3}::operator()() const::phosphor_internal_tpi_held_169>, enabled = true, mutex = @0x7f3d6c27de30, threshold = {__r = 10000000}, start = {__d = {__r = 17578125111440291}}, lockedAt = {__d = {__r = 17578125111441495}}, releasedAt = {__d = {__r = 0}}}
         connection = <error reading variable connection (Cannot access memory at address 0x7f3d60436200)>
         phosphor_internal_category_enabled_169 = {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}
         phosphor_internal_tpi_wait_169 = {category = 0xcc170b "mutex", name = 0xc5f9e4 "scheduleDcpStep.wait", type = phosphor::Complete, argument_names = {_M_elems = {0xcda7b1 "this", 0xcc21a2 ""}}, argument_types = {_M_elems = {phosphor::is_pointer, phosphor::is_none}}}
         phosphor_internal_tpi_held_169 = {category = 0xcc170b "mutex", name = 0xc5f9cf "scheduleDcpStep.held", type = phosphor::Complete, argument_names = {_M_elems = {0xcc21a2 "", 0xcc21a2 ""}}, argument_types = {_M_elems = {phosphor::is_pointer, phosphor::is_none}}}
 #4  void folly::detail::function::FunctionTraits<void ()>::callSmall<scheduleDcpStep(Cookie&)::{lambda()#3}>(folly::detail::function::Data&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:387
         fn = @0x7f3d60436200: <error reading variable>
 #5  0x0000000000c1579b in operator() (this=0x7f3d60436200) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
         fn = @0x7f3d60436200: <error reading variable>
 #6  folly::EventBase::FunctionLoopCallback::runLoopCallback (this=0x7f3d604361d0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.h:188
 No locals.
 #7  0x0000000000c0f1d8 in folly::EventBase::runLoopCallbacks (this=this@entry=0x7f3d6c27dbe0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:703
         callback = 0x7f3d604361d0
         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>}}
         currentCallbacks = {<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_ = 0x7f3d62feb860, prev_ = 0x7f3d62feb860}, <No data fields>}}}}, <No data fields>}
 #8  0x0000000000c11499 in folly::EventBase::loopBody (this=this@entry=0x7f3d6c27dbe0, 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:402
         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_ = 0x7f3d62feb920, prev_ = 0x7f3d62feb920}, <No data fields>}}}}, <No data fields>}
         message = 0xcdc288 "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 = 0x7f3d6c27dbe0}}
         res = 0
         ranLoopCallbacks = <optimized out>
         blocking = true
         once = false
         prev = {__d = {__r = 17349334430121716}}
         idleStart = {__d = {__r = 17578125101565653}}
         busy = <optimized out>
         idle = <optimized out>
         prevLoopThread = {_M_thread = 0}
 #9  0x0000000000c12086 in folly::EventBase::loop (this=this@entry=0x7f3d6c27dbe0) 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_ = 0xcdbefb "EventBase", e_ = 0xcdbf04 ""}}}}
 #10 0x0000000000c13a46 in folly::EventBase::loopForever (this=this@entry=0x7f3d6c27dbe0) 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>
 #11 0x00000000005b2269 in worker_libevent (arg=0x7f3d6c27dbd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
         me = @0x7f3d6c27dbd0: <error reading variable>
 #12 0x0000000000b9c939 in run (this=0x7f3d6c5b7040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 No locals.
 #13 platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 No locals.
 #14 0x00007f3d6fe34e65 in start_thread () from /lib64/libpthread.so.0
 No symbol table info available.
 #15 0x00007f3d6d77588d in clone () from /lib64/libc.so.6
 No symbol table info available.

##############################
running: gdb -p `(pidof memcached)` -ex "thread apply all bt" -ex detach -ex quit
2022-02-17 08:02:38,624 | infra | DEBUG   | MainThread | [remote_util:execute_command_raw_jsch:3223] Running command on 172.23.106.236: gdb -p `(pidof memcached)` -ex "thread apply all bt" -ex detach -ex quit
[Thread debugging using libthread_db enabled]
 Using host libthread_db library "/lib64/libthread_db.so.1".
 Loaded symbols for /lib64/libpthread.so.0
 Reading symbols from /lib64/librt.so.1...(no debugging symbols found)...done.
 Loaded symbols for /lib64/librt.so.1
 Reading symbols from /opt/couchbase/bin/../lib/liblz4.so.1...Reading symbols from /usr/lib/debug/opt/couchbase/lib/liblz4.so.1.9.2-7.1.0-2305.x86_64.debug...(no debugging symbols found)...done.
 (no debugging symbols found)...done.
 Loaded symbols for /opt/couchbase/bin/../lib/liblz4.so.1
 Reading symbols from /opt/couchbase/bin/../lib/libsnappy.so.1...Reading symbols from /usr/lib/debug/opt/couchbase/lib/libsnappy.so.1.1.8-7.1.0-2305.x86_64.debug...done.
 done.
 Loaded symbols for /opt/couchbase/bin/../lib/libsnappy.so.1
 Reading symbols from /opt/couchbase/bin/../lib/libjemalloc.so.2...Reading symbols from /usr/lib/debug/opt/couchbase/lib/libjemalloc.so.2-7.1.0-2305.x86_64.debug...done.
 done.
 Loaded symbols for /opt/couchbase/bin/../lib/libjemalloc.so.2
 Reading symbols from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7...Reading symbols from /usr/lib/debug/opt/couchbase/lib/libevent_core-2.1.so.7.0.0-7.1.0-2305.x86_64.debug...done.
 done.
 Loaded symbols for /opt/couchbase/bin/../lib/libevent_core-2.1.so.7
 Reading symbols from /opt/couchbase/bin/../lib/libevent_extra-2.1.so.7...Reading symbols from /usr/lib/debug/opt/couchbase/lib/libevent_extra-2.1.so.7.0.0-7.1.0-2305.x86_64.debug...done.
 done.
 Loaded symbols for /opt/couchbase/bin/../lib/libevent_extra-2.1.so.7
 Reading symbols from /opt/couchbase/bin/../lib/libevent_pthreads-2.1.so.7...Reading symbols from /usr/lib/debug/opt/couchbase/lib/libevent_pthreads-2.1.so.7.0.0-7.1.0-2305.x86_64.debug...done.
 done.
 Loaded symbols for /opt/couchbase/bin/../lib/libevent_pthreads-2.1.so.7
 Reading symbols from /opt/couchbase/bin/../lib/libevent_openssl-2.1.so.7...Reading symbols from /usr/lib/debug/opt/couchbase/lib/libevent_openssl-2.1.so.7.0.0-7.1.0-2305.x86_64.debug...done.
 done.
 Loaded symbols for /opt/couchbase/bin/../lib/libevent_openssl-2.1.so.7
 Reading symbols from /opt/couchbase/bin/../lib/libssl.so.1.1...Reading symbols from /usr/lib/debug/opt/couchbase/lib/libssl.so.1.1-7.1.0-2305.x86_64.debug...(no debugging symbols found)...done.
 (no debugging symbols found)...done.
 Loaded symbols for /opt/couchbase/bin/../lib/libssl.so.1.1
 Reading symbols from /opt/couchbase/bin/../lib/libcrypto.so.1.1...Reading symbols from /usr/lib/debug/opt/couchbase/lib/libcrypto.so.1.1-7.1.0-2305.x86_64.debug...(no debugging symbols found)...done.
 (no debugging symbols found)...done.
 Loaded symbols for /opt/couchbase/bin/../lib/libcrypto.so.1.1
 Reading symbols from /opt/couchbase/bin/../lib/libstdc++.so.6...Reading symbols from /usr/lib/debug/opt/couchbase/lib/libstdc++.so.6.0.28-7.1.0-2305.x86_64.debug...done.
 done.
 Loaded symbols for /opt/couchbase/bin/../lib/libstdc++.so.6
 Reading symbols from /lib64/libm.so.6...(no debugging symbols found)...done.
 Loaded symbols for /lib64/libm.so.6
 Reading symbols from /opt/couchbase/bin/../lib/libgcc_s.so.1...Reading symbols from /usr/lib/debug/opt/couchbase/lib/libgcc_s.so.1-7.1.0-2305.x86_64.debug...done.
 done.
 Loaded symbols for /opt/couchbase/bin/../lib/libgcc_s.so.1
 Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done.
 Loaded symbols for /lib64/libc.so.6
 Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
 Loaded symbols for /lib64/ld-linux-x86-64.so.2
 0x00007fe7b8ec9e63 in epoll_wait () from /lib64/libc.so.6
 To enable execution of this file add
 	add-auto-load-safe-path /opt/couchbase/lib/libstdc++.so.6.0.28-gdb.py
 line to your configuration file "/root/.gdbinit".
 To completely disable this security protection add
 	set auto-load safe-path /
 line to your configuration file "/root/.gdbinit".
 For more information about this security protection see the
 "Auto-loading safe path" section in the GDB manual.  E.g., run from the shell:
 	info "(gdb)Auto-loading safe path"
 
 Thread 65 (Thread 0x7fe7b83ff700 (LWP 28304)):
 #0  0x00007fe7bb58cda2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7baa965a7 in background_thread_sleep (tsdn=<optimized out>, 
     interval=10000000000, info=<optimized out>) at src/background_thread.c:255
 #2  background_work_sleep_once (ind=0, info=<optimized out>, 
     tsdn=<optimized out>) at src/background_thread.c:307
 #3  background_thread0_work (tsd=0x7fe7b83ee220)
     at src/background_thread.c:452
 #4  background_work (ind=<optimized out>, tsd=0x7fe7b83ee220)
     at src/background_thread.c:490
 #5  background_thread_entry (ind_arg=<optimized out>)
     at src/background_thread.c:522
 #6  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 64 (Thread 0x7fe7b72fe700 (LWP 28305)):
 #0  0x00007fe7bb58cda2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x0000000000b63d3a in __gthread_cond_timedwait (
     __abs_timeout=0x7fe7b72ec800, __mutex=<optimized out>, 
     __cond=0x7fe7b7be5038)
     at /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:871
 #2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7fe7b7be5038)
     at /usr/local/include/c++/7.3.0/condition_variable:166
 #3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (
     __atime=..., __lock=..., this=0x7fe7b7be5038)
     at /usr/local/include/c++/7.3.0/condition_variable:106
 #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=0x7fe7b7be5038)
     at /usr/local/include/c++/7.3.0/condition_variable:129
 #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=0x7fe7b7be5038)
     at /usr/local/include/c++/7.3.0/condition_variable:145
 #6  dequeue_for (wait_duration=..., popped_item=..., this=0x7fe7b7be5010)
     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
 #7  spdlog::details::thread_pool::process_next_msg_ (
     this=this@entry=0x7fe7b7be5010)
     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
 #8  0x0000000000b64088 in worker_loop_ (this=0x7fe7b7be5010)
     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
 #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
 #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
 #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
 #12 _M_invoke<0> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/thread:234
 #13 operator() (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/thread:243
 #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
 #15 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #16 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #17 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 63 (Thread 0x7fe7b6afd700 (LWP 28306)):
 #0  0x00007fe7bb58cda2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x0000000000b63afa in __gthread_cond_timedwait (
     __abs_timeout=0x7fe7b6aeb9b0, __mutex=<optimized out>, 
     __cond=0x7fe7b7bb8268)
     at /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:871
 #2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7fe7b7bb8268)
     at /usr/local/include/c++/7.3.0/condition_variable:166
 #3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (
     __atime=..., __lock=..., this=0x7fe7b7bb8268)
     at /usr/local/include/c++/7.3.0/condition_variable:106
 #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=0x7fe7b7bb8268)
     at /usr/local/include/c++/7.3.0/condition_variable:129
 #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=0x7fe7b7bb8268)
     at /usr/local/include/c++/7.3.0/condition_variable:145
 #6  operator() (__closure=0x7fe7b7bcf788)
     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
 #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
 #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
 #9  _M_invoke<0> (this=0x7fe7b7bcf788)
     at /usr/local/include/c++/7.3.0/thread:234
 #10 operator() (this=0x7fe7b7bcf788)
     at /usr/local/include/c++/7.3.0/thread:243
 #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=0x7fe7b7bcf780)
     at /usr/local/include/c++/7.3.0/thread:186
 #12 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #13 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #14 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 62 (Thread 0x7fe7b62fc700 (LWP 28307)):
 #0  0x00007fe7b8ebebed in poll () from /lib64/libc.so.6
 #1  0x00000000005ad041 in get_command (buffsize=80, 
     buffer=0x7fe7b62ea990 "@6\274\273\347\177")
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:57
 #2  check_stdin_thread (arg=<optimized out>)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:98
 #3  0x0000000000b9c939 in run (this=0x7fe7b7bb68c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #4  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #5  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #6  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 61 (Thread 0x7fe7affff700 (LWP 28311)):
 #0  0x00007fe7bb58cda2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00000000005f4796 in __gthread_cond_timedwait (
     __abs_timeout=0x7fe7affed980, __mutex=0x7fe7b7be6350, 
     __cond=0x7fe7b7be6378)
     at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
 #2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=<synthetic pointer>, __lock=<synthetic pointer>, 
     __atime=<synthetic pointer>, this=0x7fe7b7be6378)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
 #3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=<synthetic pointer>, 
     this=0x7fe7b7be6378)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
 #4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=<synthetic pointer>, 
     __lock=<synthetic pointer>, this=0x7fe7b7be6378)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
 #5  ExternalAuthManagerThread::run() ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/external_auth_manager_thread.cc:91
 #6  0x0000000000bb2f73 in Couchbase::Thread::thread_entry() ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:38
 #7  0x0000000000b9c939 in run (this=0x7fe7b7bb6c80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 60 (Thread 0x7fe7af7fe700 (LWP 28312)):
 #0  0x00007fe7bb58cda2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x000000000067d327 in __gthread_cond_timedwait (
     __abs_timeout=0x7fe7af7ec9b0, __mutex=<optimized out>, 
     __cond=0x7fe7b771d3f8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
 #2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7fe7b771d3f8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
 #3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7fe7b771d3f8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
 #4  wait_for<long, std::ratio<1> > (__rtime=..., __rtime=..., __lock=..., 
     this=0x7fe7b771d3f8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
 #5  AuditImpl::consume_events() ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/auditd/src/audit.cc:411
 #6  0x0000000000b9c939 in run (this=0x7fe7b7bb6c20)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #7  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #8  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #9  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 59 (Thread 0x7fe7b4af9700 (LWP 28313)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x0000000000ae2d5b in consume_socket (thread_index=<optimized out>, 
     sp=0x2da5d60, ctx=0x2da75b0)
     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:18846
 #2  worker_thread_run (conn=0x2da5470)
     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:18987
 #3  worker_thread (thread_func_param=0x2da5470)
     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
 #4  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #5  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 58 (Thread 0x7fe7b52fa700 (LWP 28314)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x0000000000ae2d5b in consume_socket (thread_index=<optimized out>, 
     sp=0x2da6748, ctx=0x2da75b0)
     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:18846
 #2  worker_thread_run (conn=0x2da5e58)
     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:18987
 #3  worker_thread (thread_func_param=0x2da5e58)
     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
 #4  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #5  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 57 (Thread 0x7fe7b5afb700 (LWP 28315)):
 #0  0x00007fe7b8ebebed in poll () from /lib64/libc.so.6
 #1  0x0000000000ad9cc8 in master_thread_run (ctx=0x2da75b0)
     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:19291
 #2  master_thread (thread_func_param=0x2da75b0)
     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
 #3  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #4  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 56 (Thread 0x7fe7aeffd700 (LWP 28316)):
 #0  0x00007fe7b8ec9e63 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fe7ba85d3c5 in epoll_dispatch (base=0x7fe7b768b900, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fe7ba854376 in event_base_loop (base=0x7fe7b768b900, flags=1)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x0000000000c11bb7 in folly::EventBase::loopBody (
     this=this@entry=0x7fe7b772c010, 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
 #4  0x0000000000c12086 in folly::EventBase::loop (
     this=this@entry=0x7fe7b772c010)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
 #5  0x0000000000c13a46 in folly::EventBase::loopForever (
     this=this@entry=0x7fe7b772c010)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
 #6  0x00000000005b2269 in worker_libevent (arg=0x7fe7b772c000)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
 #7  0x0000000000b9c939 in run (this=0x7fe7b7bb6f20)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 55 (Thread 0x7fe7ae7fc700 (LWP 28317)):
 #0  0x00007fe7b8ec9e63 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fe7ba85d3c5 in epoll_dispatch (base=0x7fe7b768bc00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fe7ba854376 in event_base_loop (base=0x7fe7b768bc00, flags=1)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x0000000000c11bb7 in folly::EventBase::loopBody (
     this=this@entry=0x7fe7b772cbe0, 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
 #4  0x0000000000c12086 in folly::EventBase::loop (
     this=this@entry=0x7fe7b772cbe0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
 #5  0x0000000000c13a46 in folly::EventBase::loopForever (
     this=this@entry=0x7fe7b772cbe0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
 #6  0x00000000005b2269 in worker_libevent (arg=0x7fe7b772cbd0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
 #7  0x0000000000b9c939 in run (this=0x7fe7b7bb7040)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 54 (Thread 0x7fe7adffb700 (LWP 28318)):
 #0  0x00007fe7b8ec9e63 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fe7ba85d3c5 in epoll_dispatch (base=0x7fe7b768bf00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fe7ba854376 in event_base_loop (base=0x7fe7b768bf00, flags=1)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x0000000000c11bb7 in folly::EventBase::loopBody (
     this=this@entry=0x7fe7b772d7b0, 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
 #4  0x0000000000c12086 in folly::EventBase::loop (
     this=this@entry=0x7fe7b772d7b0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
 #5  0x0000000000c13a46 in folly::EventBase::loopForever (
     this=this@entry=0x7fe7b772d7b0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
 #6  0x00000000005b2269 in worker_libevent (arg=0x7fe7b772d7a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
 #7  0x0000000000b9c939 in run (this=0x7fe7b7bb7160)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 53 (Thread 0x7fe7ad7fa700 (LWP 28319)):
 #0  0x00007fe7b8ec9e63 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fe7ba85d3c5 in epoll_dispatch (base=0x7fe7b768c200, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fe7ba854376 in event_base_loop (base=0x7fe7b768c200, flags=1)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x0000000000c11bb7 in folly::EventBase::loopBody (
     this=this@entry=0x7fe7b772e380, 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
 #4  0x0000000000c12086 in folly::EventBase::loop (
     this=this@entry=0x7fe7b772e380)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
 #5  0x0000000000c13a46 in folly::EventBase::loopForever (
     this=this@entry=0x7fe7b772e380)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
 #6  0x00000000005b2269 in worker_libevent (arg=0x7fe7b772e370)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
 #7  0x0000000000b9c939 in run (this=0x7fe7b7bb7250)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 52 (Thread 0x7fe7acff9700 (LWP 28320)):
 #0  0x00007fe7b8ec9e63 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fe7ba85d3c5 in epoll_dispatch (base=0x7fe7b768c500, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fe7ba854376 in event_base_loop (base=0x7fe7b768c500, flags=1)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x0000000000c11bb7 in folly::EventBase::loopBody (
     this=this@entry=0x7fe7b772ef50, 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
 #4  0x0000000000c12086 in folly::EventBase::loop (
     this=this@entry=0x7fe7b772ef50)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
 #5  0x0000000000c13a46 in folly::EventBase::loopForever (
     this=this@entry=0x7fe7b772ef50)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
 #6  0x00000000005b2269 in worker_libevent (arg=0x7fe7b772ef40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
 #7  0x0000000000b9c939 in run (this=0x7fe7b7bb7220)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 51 (Thread 0x7fe7a7fff700 (LWP 28321)):
 #0  0x00007fe7b8ec9e63 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fe7ba85d3c5 in epoll_dispatch (base=0x7fe7b768c800, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fe7ba854376 in event_base_loop (base=0x7fe7b768c800, flags=1)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x0000000000c11bb7 in folly::EventBase::loopBody (
     this=this@entry=0x7fe7b772fb20, 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
 #4  0x0000000000c12086 in folly::EventBase::loop (
     this=this@entry=0x7fe7b772fb20)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
 #5  0x0000000000c13a46 in folly::EventBase::loopForever (
     this=this@entry=0x7fe7b772fb20)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
 #6  0x00000000005b2269 in worker_libevent (arg=0x7fe7b772fb10)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
 #7  0x0000000000b9c939 in run (this=0x7fe7b7bb71c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 50 (Thread 0x7fe7a77fe700 (LWP 28322)):
 #0  0x00007fe7b8ec9e63 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fe7ba85d3c5 in epoll_dispatch (base=0x7fe7b768cb00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fe7ba854376 in event_base_loop (base=0x7fe7b768cb00, flags=1)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x0000000000c11bb7 in folly::EventBase::loopBody (
     this=this@entry=0x7fe7b77306f0, 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
 #4  0x0000000000c12086 in folly::EventBase::loop (
     this=this@entry=0x7fe7b77306f0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
 #5  0x0000000000c13a46 in folly::EventBase::loopForever (
     this=this@entry=0x7fe7b77306f0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
 #6  0x00000000005b2269 in worker_libevent (arg=0x7fe7b77306e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
 #7  0x0000000000b9c939 in run (this=0x7fe7b7bb71f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 49 (Thread 0x7fe7a5bfd700 (LWP 28323)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2780739096, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a5beb5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5030)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5030, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a5beb618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5030)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5030, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5030, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dacac0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dacac0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daca80, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772a800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76fe980)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76fe980)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 48 (Thread 0x7fe7a53fc700 (LWP 28324)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2772346392, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a53ea5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5018)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5018, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a53ea618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5018)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5018, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5018, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dacac0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dacac0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daca80, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772a800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76fea80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76fea80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 47 (Thread 0x7fe7a4bfb700 (LWP 28325)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2763953688, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a4be95f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5048)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5048, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a4be9618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5048)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5048, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5048, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dacac0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dacac0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daca80, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772a800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76feac0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76feac0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 46 (Thread 0x7fe7a43fa700 (LWP 28326)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2755560984, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a43e85f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5060)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5060, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a43e8618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5060)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5060, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5060, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dacac0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dacac0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daca80, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772a800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76feb40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76feb40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 45 (Thread 0x7fe7a23d4700 (LWP 28327)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2721850904, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a23c25f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5078)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5078, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a23c2618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5078)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5078, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5078, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dacac0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dacac0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daca80, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772a800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76feb80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76feb80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 44 (Thread 0x7fe7a1bd3700 (LWP 28328)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2713458200, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a1bc15f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5090)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5090, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a1bc1618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5090)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5090, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5090, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dacac0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dacac0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daca80, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772a800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76feb00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76feb00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 43 (Thread 0x7fe7a13d2700 (LWP 28329)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2705065496, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a13c05f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d50a8)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d50a8, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a13c0618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d50a8)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d50a8, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d50a8, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dacac0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dacac0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daca80, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772a800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76febc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76febc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 42 (Thread 0x7fe7a0bd1700 (LWP 28330)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2696672792, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a0bbf5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d50c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d50c0, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7a0bbf618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d50c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d50c0, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d50c0, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dacac0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dacac0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daca80, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772a800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76fec40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76fec40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 41 (Thread 0x7fe77ffff700 (LWP 28331)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2147407384, 
     absSteadyTime=absSteadyTime@entry=0x7fe77ffed5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d50d8)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d50d8, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe77ffed618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d50d8)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d50d8, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d50d8, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dae1c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dae1c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2dae180, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772b400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76fed00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76fed00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 40 (Thread 0x7fe77f7fe700 (LWP 28332)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2139014680, 
     absSteadyTime=absSteadyTime@entry=0x7fe77f7ec5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d50f0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d50f0, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe77f7ec618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d50f0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d50f0, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d50f0, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dae1c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dae1c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2dae180, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772b400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76fed40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76fed40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 39 (Thread 0x7fe77effd700 (LWP 28333)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2130621976, 
     absSteadyTime=absSteadyTime@entry=0x7fe77efeb5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5108)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5108, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe77efeb618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5108)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5108, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5108, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dae1c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dae1c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2dae180, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772b400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76fed80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76fed80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 38 (Thread 0x7fe77e7fc700 (LWP 28334)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2122229272, 
     absSteadyTime=absSteadyTime@entry=0x7fe77e7ea5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5120)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5120, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe77e7ea618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5120)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5120, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5120, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dae1c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dae1c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2dae180, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772b400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bd69c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bd69c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 37 (Thread 0x7fe77dffb700 (LWP 28335)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2113836568, 
     absSteadyTime=absSteadyTime@entry=0x7fe77dfe95f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5138)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5138, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe77dfe9618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5138)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5138, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5138, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dae1c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dae1c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2dae180, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772b400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bd6a00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bd6a00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 36 (Thread 0x7fe77d7fa700 (LWP 28336)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2105443864, 
     absSteadyTime=absSteadyTime@entry=0x7fe77d7e85f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5150)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5150, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe77d7e8618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5150)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5150, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5150, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dae1c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dae1c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2dae180, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772b400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b76fedc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b76fedc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 35 (Thread 0x7fe77cff9700 (LWP 28337)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=2097051160, 
     absSteadyTime=absSteadyTime@entry=0x7fe77cfe75f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5168)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5168, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe77cfe7618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5168)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5168, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5168, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dae1c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dae1c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2dae180, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772b400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bd6a40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bd6a40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 34 (Thread 0x7fe767fff700 (LWP 28338)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=1744754200, 
     absSteadyTime=absSteadyTime@entry=0x7fe767fed5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5180)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5180, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe767fed618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5180)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5180, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5180, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2dae1c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2dae1c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2dae180, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b772b400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bd6a80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bd6a80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 33 (Thread 0x7fe7677fe700 (LWP 28339)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=1736361496, 
     absSteadyTime=absSteadyTime@entry=0x7fe7677ec5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5198)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5198, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7677ec618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5198)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5198, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5198, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2daf8c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2daf8c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daf880, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b7751000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bdab80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bdab80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 32 (Thread 0x7fe766ffd700 (LWP 28340)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=1727968792, 
     absSteadyTime=absSteadyTime@entry=0x7fe766feb5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d51b0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d51b0, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe766feb618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d51b0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d51b0, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d51b0, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2daf8c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2daf8c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daf880, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b7751000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bdabc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bdabc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 31 (Thread 0x7fe7667fc700 (LWP 28341)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=1719576088, 
     absSteadyTime=absSteadyTime@entry=0x7fe7667ea5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d51c8)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d51c8, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7667ea618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d51c8)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d51c8, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d51c8, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2daf8c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2daf8c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daf880, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b7751000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bdac00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bdac00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 30 (Thread 0x7fe765ffb700 (LWP 28342)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=1711183384, 
     absSteadyTime=absSteadyTime@entry=0x7fe765fe95f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d51e0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d51e0, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe765fe9618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d51e0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d51e0, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d51e0, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2daf8c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2daf8c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daf880, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b7751000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bdac80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bdac80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 29 (Thread 0x7fe7657fa700 (LWP 28343)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=1702790680, 
     absSteadyTime=absSteadyTime@entry=0x7fe7657e85f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d51f8)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d51f8, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7657e8618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d51f8)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d51f8, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d51f8, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2daf8c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2daf8c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daf880, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b7751000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bdacc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bdacc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 28 (Thread 0x7fe764ff9700 (LWP 28344)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=1694397976, 
     absSteadyTime=absSteadyTime@entry=0x7fe764fe75f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5210)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5210, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe764fe7618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5210)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5210, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5210, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2daf8c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2daf8c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daf880, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b7751000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bdac40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bdac40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 27 (Thread 0x7fe743fff700 (LWP 28345)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=1140774424, 
     absSteadyTime=absSteadyTime@entry=0x7fe743fed5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5228)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5228, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe743fed618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5228)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5228, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5228, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2daf8c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2daf8c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daf880, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b7751000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bdad00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bdad00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 26 (Thread 0x7fe7437fe700 (LWP 28346)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=1132381720, 
     absSteadyTime=absSteadyTime@entry=0x7fe7437ec5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5240)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5240, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe7437ec618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5240)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5240, 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
 #5  0x0000000000bf7edd 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
 #6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5240, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #7  0x0000000000bf8546 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
 #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=0x2daf8c0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2daf8c0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2daf880, 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
 #11 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b7751000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x0000000000c0b489 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
 #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
 #14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #15 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #17 0x0000000000ab0de4 in operator() (this=0x7fe7b7bdad40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #18 operator() (__closure=0x7fe7b7bdad40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #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
 #20 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #21 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #22 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 25 (Thread 0x7fe742ffd700 (LWP 28347)):
 #0  0x00007fe7b8ec3ba9 in syscall () from /lib64/libc.so.6
 #1  0x0000000000be7fad in nativeFutexWaitImpl (
     waitMask=waitMask@entry=1123989016, 
     absSteadyTime=absSteadyTime@entry=0x7fe742feb5f8, 
     absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, 
     addr=addr@entry=0x7fe7a23d5258)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=futex@entry=0x7fe7a23d5258, 
     expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, 
     absSteadyTime=absSteadyTime@entry=0x7fe742feb618, 
     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
 #3  0x0000000000bf207a 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=0x7fe7a23d5258)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
 #4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     futex=futex@entry=0x7fe7a23d5258, 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
 #5  0x0000000000bf8017 in futexWaitPreIdle<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > >, std::chrono::duration<long, std::ratio<1, 1000000000> > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., 
     waitMask=4294967295, deadline=..., expected=2, fut=..., 
     _ret=<synthetic pointer>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
 #6  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:151
 #7  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (
     this=this@entry=0x7fe7a23d5258, deadline=..., opt=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
 #8  0x0000000000bf8546 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
 #9  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=0x2db0fc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x0000000000bfbca0 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x2db0fc0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
 #11 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2db0f80, 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
 #12 0x0000000000bf0217 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b7751c00, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x0000000000c0b489 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
 #14 __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
 #15 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #16 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #17 folly::detail::function::FunctionTraits<void ()>::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
 #18 0x0000000000ab0de4 in operator() (this=0x7fe7b7be1e40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #19 operator() (__closure=0x7fe7b7be1e40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #20 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
 #21 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #22 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #23 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 24 (Thread 0x7fe7427fc700 (LWP 28348)):
 #0  0x00007fe7b97c9678 in std::num_put<char, std::ostreambuf_iterator<char, std::char_traits<char> > >::_M_insert_int<unsigned long> (
     this=0x7fe7b9a7e770 <(anonymous namespace)::num_put_c>, __s=..., 
     __io=..., __fill=32 ' ', __v=8148194)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/ios_base.h:782
 #1  0x00007fe7b97d6f26 in put (__v=8148194, __fill=<optimized out>, __io=..., 
     __s=..., this=0x7fe7b9a7e770 <(anonymous namespace)::num_put_c>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/ostream.tcc:63
 #2  std::ostream::_M_insert<unsigned long> (this=this@entry=0x7fe7427e7e90, 
     __v=8148194)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/ostream.tcc:73
 #3  0x00000000009c4f1b in operator<< (__n=<optimized out>, 
     this=0x7fe7427e7e90)
     at /opt/gcc-10.2.0/include/c++/10.2.0/bits/char_traits.h:357
 #4  magma::WALOffset::String[abi:cxx11]() ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/wal/wal_offset.cc:28
 #5  0x00000000009c8146 in magma::WALIterator::Next() ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/wal/iterator.cc:220
 #6  0x00000000009e923f in magma::WALTransactionReader::loadBatch() ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/wal_reader.cc:66
 #7  0x00000000009eb759 in magma::WALTransactionReader::Next (
     this=this@entry=0x7fe7427e8570)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/wal_reader.cc:37
 #8  0x000000000099db50 in magma::Magma::Impl::recovery() ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_recovery.cc:166
 #9  0x0000000000934c95 in magma::Magma::Impl::Open() ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:169
 #10 0x0000000000934e8d in magma::Magma::Open (this=<optimized out>)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:188
 #11 0x0000000000899041 in MagmaMemoryTrackingProxy::Open() ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-memory-tracking-proxy.cc:337
 #12 0x0000000000886002 in MagmaKVStore::MagmaKVStore(MagmaKVStoreConfig&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:655
 #13 0x000000000083938b in make_unique<MagmaKVStore, MagmaKVStoreConfig&> ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/kvstore.cc:204
 #14 KVStoreFactory::create(KVStoreConfig&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/kvstore.cc:205
 #15 0x000000000070bec7 in KVShard::KVShard(Configuration&, unsigned short, unsigned short) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvshard.cc:44
 #16 0x00000000007411b9 in make_unique<KVShard, Configuration&, unsigned long const&, unsigned long&> ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.h:692
 #17 VBucketMap::VBucketMap(KVBucket&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucketmap.cc:28
 #18 0x00000000006fa62b in KVBucket::KVBucket(EventuallyPersistentEngine&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.h:657
 #19 0x00000000008207d6 in EPBucket::EPBucket(EventuallyPersistentEngine&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:241
 #20 0x00000000006a7f18 in make_unique<EPBucket, EventuallyPersistentEngine&>
     ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:6934
 #21 EventuallyPersistentEngine::makeBucket(Configuration&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:6934
 #22 0x00000000006b89e2 in EventuallyPersistentEngine::initialize(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:2164
 #23 0x00000000005c484c in BucketManager::create(Cookie&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, BucketType) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/buckets.cc:227
 #24 0x000000000062e84e in operator() (__closure=0x7fe7b7bb17e0)
     at /opt/gcc-10.2.0/include/c++/10.2.0/bits/char_traits.h:322
 #25 __invoke_impl<void, CreateRemoveBucketCommandContext::create()::<lambda()>&> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
 #26 __invoke_r<void, CreateRemoveBucketCommandContext::create()::<lambda()>&>
     (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110
 #27 std::_Function_handler<void (), CreateRemoveBucketCommandContext::create()::{lambda()#1}>::_M_invoke(std::_Any_data const&) ()
     at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
 #28 0x000000000062d0c4 in operator() (this=0x7fe7ac100d88)
     at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
 #29 OneShotTask::run (this=0x7fe7ac100d10)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/one_shot_task.h:50
 #30 0x0000000000ab3ea9 in GlobalTask::execute(std::basic_string_view<char, std::char_traits<char> >) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:98
 #31 0x0000000000ab10e5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7fe7427ea840)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:301
 #32 0x0000000000c084d0 in operator() (this=0x7fe7427ea840)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
 #33 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (
     this=this@entry=0x7fe7b7751c00, thread=..., 
     task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-2305.x86_64.debug, CU 0xa302fa1, DIE 0xa386ed6>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
 #34 0x0000000000bf028a in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fe7b7751c00, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
 #35 0x0000000000c0b489 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
 #36 __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
 #37 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #38 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #39 folly::detail::function::FunctionTraits<void ()>::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
 #40 0x0000000000ab0de4 in operator() (this=0x7fe7b7be1e80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #41 operator() (__closure=0x7fe7b7be1e80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
 #42 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
 #43 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #44 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #45 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 23 (Thread 0x7fe741ffb700 (LWP 28349)):
 #0  0x00007fe7b8ec9e63 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fe7ba85d3c5 in epoll_dispatch (base=0x7fe7b768ce00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fe7ba854376 in event_base_loop (base=0x7fe7b768ce00, flags=1)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x0000000000c11bb7 in folly::EventBase::loopBody (
     this=this@entry=0x7fe7b7be6f00, 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
 #4  0x0000000000c12086 in folly::EventBase::loop (
     this=this@entry=0x7fe7b7be6f00)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
 #5  0x0000000000c13a46 in folly::EventBase::loopForever (this=0x7fe7b7be6f00)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
 #6  0x0000000000bffcf9 in folly::IOThreadPoolExecutor::threadRun (
     this=0x7fe7b7be6780, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/IOThreadPoolExecutor.cpp:195
 #7  0x0000000000c0b489 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
 #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
 #9  __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:467
 #10 operator()<> (this=<optimized out>)
     at /usr/local/include/c++/7.3.0/functional:551
 #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
 #12 0x00007fe7b9780d40 in execute_native_thread_routine ()
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
 #13 0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #14 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 22 (Thread 0x7fe7417fa700 (LWP 28351)):
 #0  0x00007fe7bb58cda2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7baa95e51 in background_thread_sleep (tsdn=<optimized out>, 
     interval=10000000000, info=<optimized out>) at src/background_thread.c:255
 #2  background_work_sleep_once (ind=<optimized out>, info=<optimized out>, 
     tsdn=<optimized out>) at src/background_thread.c:307
 #3  background_work (ind=<optimized out>, tsd=0x7fe7417e9220)
     at src/background_thread.c:497
 #4  background_thread_entry (ind_arg=<optimized out>)
     at src/background_thread.c:522
 #5  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #6  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 21 (Thread 0x7fe740ff9700 (LWP 28352)):
 #0  0x00007fe7bb58cda2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00000000009bf56f in __gthread_cond_timedwait (
     __abs_timeout=0x7fe740fe7960, __mutex=<optimized out>, 
     __cond=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
 #2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
 #3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
 #4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __rtime=..., 
     __lock=..., this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
 #5  magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:103
 #6  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #7  0x0000000000b9c939 in run (this=0x7fe7b77beff0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 20 (Thread 0x7fe717fff700 (LWP 28353)):
 #0  0x00007fe7bb58cda2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00000000009bf56f in __gthread_cond_timedwait (
     __abs_timeout=0x7fe717fed960, __mutex=<optimized out>, 
     __cond=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
 #2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
 #3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
 #4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __rtime=..., 
     __lock=..., this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
 #5  magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:103
 #6  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #7  0x0000000000b9c939 in run (this=0x7fe7b77bf020)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 19 (Thread 0x7fe7177fe700 (LWP 28354)):
 #0  0x00007fe7bb58cda2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00000000009bf56f in __gthread_cond_timedwait (
     __abs_timeout=0x7fe7177ec960, __mutex=<optimized out>, 
     __cond=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
 #2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
 #3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
 #4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __rtime=..., 
     __lock=..., this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
 #5  magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:103
 #6  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #7  0x0000000000b9c939 in run (this=0x7fe7b77bf050)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 18 (Thread 0x7fe716ffd700 (LWP 28355)):
 #0  0x00007fe7bb58cda2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00000000009bf56f in __gthread_cond_timedwait (
     __abs_timeout=0x7fe716feb960, __mutex=<optimized out>, 
     __cond=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
 #2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
 #3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
 #4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __rtime=..., 
     __lock=..., this=0x7fe7ac1706d8)
     at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
 #5  magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:103
 #6  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #7  0x0000000000b9c939 in run (this=0x7fe7b77bf080)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #8  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #9  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 17 (Thread 0x7fe7167fc700 (LWP 28356)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7b77bf0b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 16 (Thread 0x7fe715ffb700 (LWP 28357)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7b77bf0e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 15 (Thread 0x7fe7157fa700 (LWP 28358)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7b77bf110)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 14 (Thread 0x7fe714ff9700 (LWP 28359)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7b77bf140)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 13 (Thread 0x7fe6f7fff700 (LWP 28361)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7ac1d0190)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 12 (Thread 0x7fe6f77fe700 (LWP 28362)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7b783a070)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 11 (Thread 0x7fe6f6ffd700 (LWP 28363)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7b7853e50)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 10 (Thread 0x7fe6f67fc700 (LWP 28364)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7b77bf200)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 9 (Thread 0x7fe6f5ffb700 (LWP 28365)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7b77bf230)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 8 (Thread 0x7fe6f57fa700 (LWP 28366)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7b77bf260)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 7 (Thread 0x7fe6f4ff9700 (LWP 28367)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7b77bf290)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 6 (Thread 0x7fe6f47f8700 (LWP 28368)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7b77bf2c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 5 (Thread 0x7fe6f3ff7700 (LWP 28369)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7052a23e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 4 (Thread 0x7fe6f37f6700 (LWP 28370)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7052a2410)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 3 (Thread 0x7fe6f2ff5700 (LWP 28371)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7052a2440)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 2 (Thread 0x7fe6f27f4700 (LWP 28372)):
 #0  0x00007fe7bb58c9f5 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fe7b977b8bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=<optimized out>)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
 #2  std::condition_variable::wait (this=<optimized out>, __lock=...)
     at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000009bf2d8 in magma::TaskQueue::dequeue(std::atomic<bool>&) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
 #4  0x00000000009bf6c1 in magma::TaskWorker::loop(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
 #5  0x0000000000b9c939 in run (this=0x7fe7052a2470)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
 #6  platform_thread_wrap(void*) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
 #7  0x00007fe7bb588e65 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fe7b8ec988d in clone () from /lib64/libc.so.6
 
 Thread 1 (Thread 0x7fe7bc6c1c40 (LWP 28303)):
 #0  0x00007fe7b8ec9e63 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fe7ba85d3c5 in epoll_dispatch (base=0x7fe7b768b300, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fe7ba854376 in event_base_loop (base=0x7fe7b768b300, flags=1)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x0000000000c11bb7 in folly::EventBase::loopBody (
     this=this@entry=0x7fe7b7be6500, 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
 #4  0x0000000000c12086 in folly::EventBase::loop (
     this=this@entry=0x7fe7b7be6500)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
 #5  0x0000000000c13a46 in folly::EventBase::loopForever (this=0x7fe7b7be6500)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
 #6  0x000000000056ab0b in memcached_main(int, char**) ()
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/memcached.cc:1033
 #7  0x00007fe7b8ded505 in __libc_start_main () from /lib64/libc.so.6
 #8  0x0000000000562da7 in _start ()
     at /opt/gcc-10.2.0/include/c++/10.2.0/bits/char_traits.h:322
 Detaching from program: /opt/couchbase/bin/memcached, process 28303