172.23.110.64 : SSH Successful
172.23.110.64 : Looking for crash dump files
172.23.110.64 : No crash files found
172.23.110.65 : SSH Successful
172.23.110.65 : Looking for crash dump files
172.23.110.65 : No crash files found
172.23.110.66 : SSH Successful
172.23.110.66 : Looking for crash dump files
172.23.110.66 : No crash files found
172.23.110.67 : SSH Successful
172.23.110.67 : Looking for crash dump files
172.23.110.67 : No crash files found
172.23.110.68 : SSH Successful
172.23.110.68 : Looking for crash dump files
172.23.110.68 : Found 1 dump files
172.23.110.68 : Would you like to dump all(y) or oldest(o) or none(n)? o
172.23.110.68 : Stack Trace of 6416790e-4e6b-4af6-93a4a18b-9301eab5.dmp
Core was generated by `/opt/couchbase/bin/memcached -C /opt/couchbase/var/lib/couchbase/config/memcach'.
 #0  0x00007f0b492843d7 in raise () from /lib64/libc.so.6
 #0  0x00007f0b492843d7 in raise () from /lib64/libc.so.6
 #1  0x00007f0b49285ac8 in abort () from /lib64/libc.so.6
 #2  0x00007f0b49de2195 in __gnu_cxx::__verbose_terminate_handler () at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/vterminate.cc:95
 #3  0x000000000055c6f2 in backtrace_terminate_handler () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:93
 #4  0x00007f0b49ddff86 in __cxxabiv1::__terminate (handler=<optimized out>) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_terminate.cc:47
 #5  0x00007f0b49ddef49 in __cxa_call_terminate (ue_header=ue_header@entry=0x7f0890000920) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_call.cc:54
 #6  0x00007f0b49ddf8b8 in __cxxabiv1::__gxx_personality_v0 (version=<optimized out>, actions=6, exception_class=5138137972254386944, ue_header=0x7f0890000920, context=<optimized out>) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_personality.cc:676
 #7  0x00007f0b49847eb3 in _Unwind_RaiseException_Phase2 (exc=exc@entry=0x7f0890000920, context=context@entry=0x7f08a27e2b50) at /tmp/deploy/objdir/../gcc-7.3.0/libgcc/unwind.inc:62
 #8  0x00007f0b498486de in _Unwind_Resume (exc=exc@entry=0x7f0890000920) at /tmp/deploy/objdir/../gcc-7.3.0/libgcc/unwind.inc:230
 #9  0x00007f0b4d6ea6f9 in unlock (mutex=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/LockTraits.h:131
 #10 unlock<folly::SharedMutexImpl<false> > (mutex=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/LockTraits.h:377
 #11 ~LockedPtrBase (this=<optimized out>, __in_chrg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Synchronized.h:1075
 #12 ~LockedPtr (this=<optimized out>, __in_chrg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Synchronized.h:1450
 #13 Collections::Manager::dereferenceMeta (this=0x7f0735f5c190, cid=cid@entry=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/collections/manager.cc:373
 #14 0x00007f0b4d7080f4 in Collections::VB::Manifest::~Manifest (this=0x7f07361aee40, __in_chrg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/collections/vbucket_manifest.cc:69
 #15 0x00007f0b4d6577fb in operator() (this=<optimized out>, __ptr=0x7f07361aee40) at /usr/local/include/c++/7.3.0/bits/unique_ptr.h:78
 #16 ~unique_ptr (this=0x7f07361c55e8, __in_chrg=<optimized out>) at /usr/local/include/c++/7.3.0/bits/unique_ptr.h:268
 #17 VBucket::~VBucket (this=0x7f07361c5400, __in_chrg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucket.cc:258
 #18 0x00007f0b4d59f548 in EPVBucket::~EPVBucket (this=0x7f07361c5400, __in_chrg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_vb.cc:97
 #19 0x00007f0b4d59f629 in EPVBucket::~EPVBucket (this=0x7f07361c5400, __in_chrg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_vb.cc:102
 #20 0x00007f0b4d66784d in operator() (this=<optimized out>, __ptr=<optimized out>) at /usr/local/include/c++/7.3.0/bits/unique_ptr.h:78
 #21 reset (__p=<optimized out>, this=0x7f07347d8468) at /usr/local/include/c++/7.3.0/bits/unique_ptr.h:376
 #22 ~VBucketMemoryDeletionTask (this=0x7f07347d8410, __in_chrg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucketdeletiontask.cc:45
 #23 VBucketMemoryAndDiskDeletionTask::~VBucketMemoryAndDiskDeletionTask (this=0x7f07347d8410, __in_chrg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucketdeletiontask.h:77
 #24 0x00007f0b4d5e8c3a in _M_release (this=0x7f07347d8400) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:154
 #25 ~__shared_count (this=<optimized out>, __in_chrg=<optimized out>) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:684
 #26 ~__shared_ptr (this=<optimized out>, __in_chrg=<optimized out>) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:1123
 #27 reset (this=0x7f08a27e3040) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:1235
 #28 operator() (__closure=0x7f08a27e3040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:249
 #29 folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool()::{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:387
 #30 0x00007f0b4d75fa60 in operator() (this=0x7f08a27e3040) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
 #31 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x7f0af5bb8800, thread=..., task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x354d664, DIE 0x3593b0d>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
 #32 0x00007f0b4d747f3a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0af5bb8800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
 #33 0x00007f0b4d762a19 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
 #34 __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
 #35 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
 #36 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
 #37 folly::detail::function::FunctionTraits<void ()>::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
 #38 0x00007f0b4d5e78e8 in operator() (this=0x7f0af6f91dc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #39 operator() (__closure=0x7f0af6f91dc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #40 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
 #41 0x00007f0b4d5e77c3 in operator() (this=0x7f0af6f7e260) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #42 operator() (__closure=0x7f0af6f7e250) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #43 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #44 0x00007f0b49e0adcf in std::execute_native_thread_routine (__p=0x7f0af58e8280) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #45 0x00007f0b49623ea5 in start_thread () from /lib64/libpthread.so.0
 #46 0x00007f0b4934c9fd in clone () from /lib64/libc.so.6

[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/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
 Reading symbols from /lib64/librt.so.1...(no debugging symbols found)...done.
 Loaded symbols for /lib64/librt.so.1
 0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 
 Thread 176 (Thread 0x7fc1f31ff700 (LWP 34024)):
 #0  0x00007fc1f4044de2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f5b145a7 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=0x7fc1f31e6a60)
     at src/background_thread.c:452
 #4  background_work (ind=<optimized out>, tsd=0x7fc1f31e6a60)
     at src/background_thread.c:490
 #5  background_thread_entry (ind_arg=<optimized out>)
     at src/background_thread.c:522
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 175 (Thread 0x7fc1f02fe700 (LWP 34025)):
 #0  0x00007fc1f4044de2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f733e8bd in __gthread_cond_timedwait (
     __abs_timeout=0x7fc1f02e4fa0, __mutex=<optimized out>, 
     __cond=0x7fc1f369e138)
     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=0x7fc1f369e138)
     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=0x7fc1f369e138)
     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=0x7fc1f369e138)
     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=0x7fc1f369e138)
     at /usr/local/include/c++/7.3.0/condition_variable:145
 #6  dequeue_for (wait_duration=..., popped_item=..., this=0x7fc1f369e110)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/mpmc_blocking_q.h:61
 #7  spdlog::details::thread_pool::process_next_msg_ (
     this=this@entry=0x7fc1f369e110)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/thread_pool.h:193
 #8  0x00007fc1f733ee10 in spdlog::details::thread_pool::worker_loop_ (
     this=0x7fc1f369e110)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/thread_pool.h:184
 #9  0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1f36ed4a0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #10 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #11 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 174 (Thread 0x7fc1efafd700 (LWP 34026)):
 #0  0x00007fc1f4044de2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f733df7a in __gthread_cond_timedwait (
     __abs_timeout=0x7fc1efae41f0, __mutex=<optimized out>, 
     __cond=<optimized out>)
     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=<optimized out>)
     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=<optimized out>)
     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=<optimized out>)
     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=<optimized out>)
     at /usr/local/include/c++/7.3.0/condition_variable:145
 #6  operator() (__closure=0x7fc1f37ff988)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/periodic_worker.h:38
 #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=0x7fc1f37ff988)
     at /usr/local/include/c++/7.3.0/thread:234
 #10 operator() (this=0x7fc1f37ff988)
     at /usr/local/include/c++/7.3.0/thread:243
 #11 _ZNSt6thread11_State_implINS_8_InvokerISt5tupleIJZN6spdlog7details15periodic_workerC4ERKSt8functionIFvvEENSt6chrono8durationIlSt5ratioILl1ELl1EEEEEUlvE_EEEEE6_M_runEv (this=0x7fc1f37ff980) at /usr/local/include/c++/7.3.0/thread:186
 #12 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1f37ff980)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #13 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #14 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 173 (Thread 0x7fc1ef2fc700 (LWP 34027)):
 #0  0x00007fc1f3d5eccd in poll () from /lib64/libc.so.6
 #1  0x000000000046aeae in get_command (buffsize=80, buffer=0x7fc1ef2e31d0 "")
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:49
 #2  check_stdin_thread (arg=<optimized out>)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:90
 #3  0x00007fc1f6808727 in run (this=0x7fc1f24723f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #4  platform_thread_wrap (arg=0x7fc1f24723f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #5  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #6  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 172 (Thread 0x7fc1eeafb700 (LWP 34028)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f7bd8b0b in consume_socket (thread_index=<optimized out>, 
     sp=0x23770f0, ctx=0x2375bd0)
     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:18718
 #2  worker_thread_run (conn=0x2376800)
     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:18859
 #3  worker_thread (thread_func_param=0x2376800)
     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:19002
 #4  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #5  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 171 (Thread 0x7fc1ee2fa700 (LWP 34029)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f7bd8b0b in consume_socket (thread_index=<optimized out>, 
     sp=0x2377ad8, ctx=0x2375bd0)
     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:18718
 #2  worker_thread_run (conn=0x23771e8)
     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:18859
 #3  worker_thread (thread_func_param=0x23771e8)
     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:19002
 #4  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #5  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 170 (Thread 0x7fc1edaf9700 (LWP 34030)):
 #0  0x00007fc1f3d5eccd in poll () from /lib64/libc.so.6
 #1  0x00007fc1f7bcfab8 in master_thread_run (ctx=0x2375bd0)
     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:19148
 #2  master_thread (thread_func_param=0x2375bd0)
     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:19243
 #3  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #4  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 169 (Thread 0x7fc1ed2f8700 (LWP 34031)):
 #0  0x00007fc1f4044de2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x0000000000496cb0 in __gthread_cond_timedwait (
     __abs_timeout=0x7fc1ed2df1d0, __mutex=<optimized out>, 
     __cond=0x7fc1f36e6af8)
     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=<synthetic pointer>, this=0x7fc1f36e6af8)
     at /usr/local/include/c++/7.3.0/condition_variable:166
 #3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (
     __atime=..., __lock=<synthetic pointer>, this=0x7fc1f36e6af8)
     at /usr/local/include/c++/7.3.0/condition_variable:106
 #4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=<synthetic pointer>, 
     __lock=<synthetic pointer>, this=0x7fc1f36e6af8)
     at /usr/local/include/c++/7.3.0/condition_variable:138
 #5  ExternalAuthManagerThread::run (this=0x7fc1f36e6a00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/external_auth_manager_thread.cc:229
 #6  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f36e6a00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #7  0x00007fc1f6808727 in run (this=0x7fc1f2472b40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #8  platform_thread_wrap (arg=0x7fc1f2472b40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #9  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #10 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 168 (Thread 0x7fc1ecaf7700 (LWP 34032)):
 #0  0x00007fc1f4044de2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00000000004f60b6 in __gthread_cond_timedwait (
     __abs_timeout=0x7fc1ecade1f0, __mutex=<optimized out>, 
     __cond=0x7fc1f11e48f8)
     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=0x7fc1f11e48f8)
     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=0x7fc1f11e48f8)
     at /usr/local/include/c++/7.3.0/condition_variable:106
 #4  wait_for<long, std::ratio<1> > (__rtime=..., __lock=..., 
     this=0x7fc1f11e48f8)
     at /usr/local/include/c++/7.3.0/condition_variable:138
 #5  AuditImpl::consume_events (this=0x7fc1f11e4500)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/auditd/src/audit.cc:414
 #6  0x00007fc1f6808727 in run (this=0x7fc1f24728a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #7  platform_thread_wrap (arg=0x7fc1f24728a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #8  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #9  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 167 (Thread 0x7fc1e7fff700 (LWP 34033)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bc300, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bc300, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08c6000)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f36aff70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f36aff70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 166 (Thread 0x7fc1e77fe700 (LWP 34034)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bc600, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bc600, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08c6aa8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f36affa0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f36affa0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 165 (Thread 0x7fc1e6ffd700 (LWP 34035)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bc900, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bc900, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08c7550)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f36affd0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f36affd0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 164 (Thread 0x7fc1e67fc700 (LWP 34036)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bcc00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bcc00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08c7ff8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f2472420)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f2472420)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 163 (Thread 0x7fc1e5ffb700 (LWP 34037)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bcf00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bcf00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08c8aa0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f2472450)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f2472450)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 162 (Thread 0x7fc1e57fa700 (LWP 34038)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bd200, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bd200, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08c9548)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f2472480)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f2472480)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 161 (Thread 0x7fc1e4ff9700 (LWP 34039)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bd500, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bd500, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08c9ff0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f24724b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f24724b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 160 (Thread 0x7fc1dffff700 (LWP 34040)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bd800, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bd800, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08caa98)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f2472930)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f2472930)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 159 (Thread 0x7fc1df7fe700 (LWP 34041)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bdb00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bdb00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08cb540)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f2472960)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f2472960)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 158 (Thread 0x7fc1deffd700 (LWP 34042)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bde00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bde00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08cbfe8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f2472990)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f2472990)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 157 (Thread 0x7fc1de7fc700 (LWP 34043)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36be100, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36be100, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08cca90)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea1b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea1b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 156 (Thread 0x7fc1ddffb700 (LWP 34044)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36be400, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36be400, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08cd538)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea1e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea1e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 155 (Thread 0x7fc1dd7fa700 (LWP 34045)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36be700, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36be700, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08cdfe0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea210)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea210)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 154 (Thread 0x7fc1dcff9700 (LWP 34046)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bea00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bea00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08cea88)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea240)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea240)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 153 (Thread 0x7fc1dc7f8700 (LWP 34047)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bed00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bed00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08cf530)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea270)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea270)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 152 (Thread 0x7fc1dbff7700 (LWP 34048)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d0000, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d0000, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08cffd8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea2a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea2a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 151 (Thread 0x7fc1db7f6700 (LWP 34049)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d0300, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d0300, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d0a80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea2d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea2d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 150 (Thread 0x7fc1daff5700 (LWP 34050)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d0600, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d0600, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d1528)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea300)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea300)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 149 (Thread 0x7fc1da7f4700 (LWP 34051)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d0900, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d0900, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d1fd0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea330)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea330)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 148 (Thread 0x7fc1d9ff3700 (LWP 34052)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d0c00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d0c00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d2a78)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea360)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea360)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 147 (Thread 0x7fc1d97f2700 (LWP 34053)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d0f00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d0f00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d3520)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea390)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea390)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 146 (Thread 0x7fc1d8ff1700 (LWP 34054)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d1200, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d1200, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d3fc8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea3c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea3c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 145 (Thread 0x7fc1d87f0700 (LWP 34055)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d1500, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d1500, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d4a70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea3f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea3f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 144 (Thread 0x7fc1d7fef700 (LWP 34056)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d1800, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d1800, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d5518)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea420)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea420)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 143 (Thread 0x7fc1d77ee700 (LWP 34057)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d1b00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d1b00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d5fc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea450)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea450)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 142 (Thread 0x7fc1d6fed700 (LWP 34058)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d1e00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d1e00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d6a68)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea480)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea480)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 141 (Thread 0x7fc1d67ec700 (LWP 34059)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d2100, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d2100, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d7510)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea4b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea4b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 140 (Thread 0x7fc1d5feb700 (LWP 34060)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d2400, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d2400, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d7fb8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea4e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea4e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 139 (Thread 0x7fc1d57ea700 (LWP 34061)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d2700, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d2700, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d8a60)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea510)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea510)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 138 (Thread 0x7fc1d4fe9700 (LWP 34062)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d2a00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d2a00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d9508)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea540)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea540)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 137 (Thread 0x7fc1d47e8700 (LWP 34063)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d2d00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d2d00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08d9fb0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea570)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea570)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 136 (Thread 0x7fc1d3fe7700 (LWP 34064)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d8000, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d8000, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08daa58)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea5a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea5a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 135 (Thread 0x7fc1d37e6700 (LWP 34065)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d8300, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d8300, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08db500)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea5d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea5d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 134 (Thread 0x7fc1d2fe5700 (LWP 34066)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d8600, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d8600, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08dbfa8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea600)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea600)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 133 (Thread 0x7fc1d27e4700 (LWP 34067)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d8900, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d8900, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08dca50)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f06ea630)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f06ea630)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 132 (Thread 0x7fc1d1fe3700 (LWP 34068)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d8c00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d8c00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08dd4f8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722b20)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722b20)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 131 (Thread 0x7fc1d17e2700 (LWP 34069)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d8f00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d8f00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08ddfa0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722b50)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722b50)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 130 (Thread 0x7fc1d0fe1700 (LWP 34070)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d9200, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d9200, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08dea48)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722b80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722b80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 129 (Thread 0x7fc1d07e0700 (LWP 34071)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d9500, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d9500, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08df4f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722bb0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722bb0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 128 (Thread 0x7fc1cffdf700 (LWP 34072)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d9800, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d9800, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08dff98)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722be0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722be0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 127 (Thread 0x7fc1cf7de700 (LWP 34073)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d9b00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d9b00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e0a40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722c10)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722c10)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 126 (Thread 0x7fc1cefdd700 (LWP 34074)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06d9e00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06d9e00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e14e8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722c40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722c40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 125 (Thread 0x7fc1ce7dc700 (LWP 34075)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06da100, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06da100, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e1f90)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722c70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722c70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 124 (Thread 0x7fc1cdfdb700 (LWP 34076)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06da400, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06da400, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e2a38)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722ca0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722ca0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 123 (Thread 0x7fc1cd7da700 (LWP 34077)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06da700, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06da700, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e34e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722cd0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722cd0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 122 (Thread 0x7fc1ccfd9700 (LWP 34078)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06daa00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06daa00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e3f88)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722d00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722d00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 121 (Thread 0x7fc1cc7d8700 (LWP 34079)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06dad00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06dad00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e4a30)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722d30)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722d30)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 120 (Thread 0x7fc1cbfd7700 (LWP 34080)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e0000, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e0000, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e54d8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722d60)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722d60)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 119 (Thread 0x7fc1cb7d6700 (LWP 34081)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e0300, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e0300, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e5f80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722d90)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722d90)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 118 (Thread 0x7fc1cafd5700 (LWP 34082)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e0600, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e0600, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e6a28)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722dc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722dc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 117 (Thread 0x7fc1ca7d4700 (LWP 34083)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e0900, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e0900, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e74d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722df0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722df0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 116 (Thread 0x7fc1c9fd3700 (LWP 34084)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e0c00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e0c00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e7f78)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722e20)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722e20)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 115 (Thread 0x7fc1c97d2700 (LWP 34085)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e0f00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e0f00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e8a20)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722e50)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722e50)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 114 (Thread 0x7fc1c8fd1700 (LWP 34086)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e1200, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e1200, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e94c8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722e80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722e80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 113 (Thread 0x7fc1c87d0700 (LWP 34087)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e1500, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e1500, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08e9f70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722eb0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722eb0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 112 (Thread 0x7fc1c7fcf700 (LWP 34088)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e1800, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e1800, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08eaa18)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722ee0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722ee0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 111 (Thread 0x7fc1c77ce700 (LWP 34089)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e1b00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e1b00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08eb4c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722f10)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722f10)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 110 (Thread 0x7fc1c6fcd700 (LWP 34090)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e1e00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e1e00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08ebf68)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722f40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722f40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 109 (Thread 0x7fc1c67cc700 (LWP 34091)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e2100, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e2100, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08eca10)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722f70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722f70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 108 (Thread 0x7fc1c5fcb700 (LWP 34092)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e2400, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e2400, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08ed4b8)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0722fa0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0722fa0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 107 (Thread 0x7fc1c57ca700 (LWP 34093)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e2700, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e2700, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08edf60)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0a94490)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0a94490)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 106 (Thread 0x7fc1c4fc9700 (LWP 34094)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e2a00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e2a00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08eea08)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0a944c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0a944c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 105 (Thread 0x7fc1c47c8700 (LWP 34095)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f06e2d00, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f06e2d00, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000046bc39 in worker_libevent (arg=0x7fc1f08ef4b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:197
 #4  0x00007fc1f6808727 in run (this=0x7fc1f0a944f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #5  platform_thread_wrap (arg=0x7fc1f0a944f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #6  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #7  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 104 (Thread 0x7fc1c3fc7700 (LWP 34096)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abe158)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abe158, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abe000)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abe000)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94520)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94520)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 103 (Thread 0x7fc1c37c6700 (LWP 34097)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abe318)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abe318, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abe1c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abe1c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94550)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94550)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 102 (Thread 0x7fc1c2fc5700 (LWP 34098)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abe4d8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abe4d8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abe380)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abe380)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94580)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94580)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 101 (Thread 0x7fc1c27c4700 (LWP 34099)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abe698)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abe698, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abe540)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abe540)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a945b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a945b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 100 (Thread 0x7fc1c1fc3700 (LWP 34100)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abe858)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abe858, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abe700)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abe700)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a945e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a945e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 99 (Thread 0x7fc1c17c2700 (LWP 34101)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abea18)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abea18, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abe8c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abe8c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94610)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94610)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 98 (Thread 0x7fc1c0fc1700 (LWP 34102)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abebd8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abebd8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abea80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abea80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94640)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94640)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 97 (Thread 0x7fc1c07c0700 (LWP 34103)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abed98)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abed98, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abec40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abec40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94670)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94670)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 96 (Thread 0x7fc1bedff700 (LWP 34104)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abef58)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abef58, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abee00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abee00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a946a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a946a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 95 (Thread 0x7fc1be5fe700 (LWP 34105)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abf118)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abf118, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abefc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abefc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a946d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a946d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 94 (Thread 0x7fc1bddfd700 (LWP 34106)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abf2d8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abf2d8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abf180)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abf180)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94700)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94700)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 93 (Thread 0x7fc1bd5fc700 (LWP 34107)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abf498)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abf498, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abf340)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abf340)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94730)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94730)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 92 (Thread 0x7fc1bcdfb700 (LWP 34108)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abf658)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abf658, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abf500)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abf500)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94760)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94760)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 91 (Thread 0x7fc1bc5fa700 (LWP 34109)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abf818)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abf818, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abf6c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abf6c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94790)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94790)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 90 (Thread 0x7fc1bbdf9700 (LWP 34110)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abf9d8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abf9d8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abf880)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abf880)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a947c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a947c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 89 (Thread 0x7fc1bb5f8700 (LWP 34111)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abfb98)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abfb98, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abfa40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abfa40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a947f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a947f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 88 (Thread 0x7fc1badf7700 (LWP 34112)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abfd58)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abfd58, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abfc00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abfc00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94820)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94820)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 87 (Thread 0x7fc1ba5f6700 (LWP 34113)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0abff18)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0abff18, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abfdc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abfdc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94850)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94850)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 86 (Thread 0x7fc1b9df5700 (LWP 34114)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac00d8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac00d8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0abff80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0abff80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94880)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94880)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 85 (Thread 0x7fc1b95f4700 (LWP 34115)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac0298)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac0298, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac0140)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac0140)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a948b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a948b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 84 (Thread 0x7fc1b8df3700 (LWP 34116)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac0458)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac0458, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac0300)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac0300)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a948e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a948e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 83 (Thread 0x7fc1b85f2700 (LWP 34117)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac0618)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac0618, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac04c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac04c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1f0a94910)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1f0a94910)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 82 (Thread 0x7fc1b7df1700 (LWP 34118)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac07d8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac07d8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac0680)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac0680)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b0c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b0c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 81 (Thread 0x7fc1b75f0700 (LWP 34119)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac0998)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac0998, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac0840)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac0840)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b0f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b0f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 80 (Thread 0x7fc1b6def700 (LWP 34120)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac0b58)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac0b58, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac0a00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac0a00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b120)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b120)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 79 (Thread 0x7fc1b65ee700 (LWP 34121)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac0d18)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac0d18, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac0bc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac0bc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b150)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b150)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 78 (Thread 0x7fc1b5ded700 (LWP 34122)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac0ed8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac0ed8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac0d80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac0d80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b180)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b180)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 77 (Thread 0x7fc1b55ec700 (LWP 34123)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac1098)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac1098, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac0f40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac0f40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b1b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b1b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 76 (Thread 0x7fc1b4deb700 (LWP 34124)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac1258)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac1258, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac1100)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac1100)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b1e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b1e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 75 (Thread 0x7fc1b45ea700 (LWP 34125)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac1418)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac1418, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac12c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac12c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b210)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b210)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 74 (Thread 0x7fc1b3de9700 (LWP 34126)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac15d8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac15d8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac1480)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac1480)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b240)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b240)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 73 (Thread 0x7fc1b35e8700 (LWP 34127)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac1798)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac1798, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac1640)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac1640)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b270)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b270)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 72 (Thread 0x7fc1b2de7700 (LWP 34128)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac1958)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac1958, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac1800)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac1800)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b2a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b2a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 71 (Thread 0x7fc1b25e6700 (LWP 34129)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac1b18)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac1b18, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac19c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac19c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b2d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b2d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 70 (Thread 0x7fc1b1de5700 (LWP 34130)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac1cd8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac1cd8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac1b80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac1b80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b300)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b300)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 69 (Thread 0x7fc1b15e4700 (LWP 34131)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac1e98)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac1e98, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac1d40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac1d40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b330)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b330)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 68 (Thread 0x7fc1b0de3700 (LWP 34132)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac2058)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac2058, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac1f00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac1f00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b360)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b360)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 67 (Thread 0x7fc1b05e2700 (LWP 34133)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac2218)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac2218, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac20c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac20c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b390)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b390)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 66 (Thread 0x7fc1afde1700 (LWP 34134)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac23d8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac23d8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac2280)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac2280)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b3c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b3c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 65 (Thread 0x7fc1af5e0700 (LWP 34135)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac2598)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac2598, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac2440)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac2440)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b3f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b3f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 64 (Thread 0x7fc1aeddf700 (LWP 34136)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac2758)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac2758, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac2600)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac2600)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b420)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b420)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 63 (Thread 0x7fc1ae5de700 (LWP 34137)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac2918)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac2918, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac27c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac27c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b450)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b450)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 62 (Thread 0x7fc1adddd700 (LWP 34138)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac2ad8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac2ad8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac2980)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac2980)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b480)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b480)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 61 (Thread 0x7fc1ad5dc700 (LWP 34139)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac2c98)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac2c98, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac2b40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac2b40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b4b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b4b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 60 (Thread 0x7fc1acddb700 (LWP 34140)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac2e58)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac2e58, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac2d00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac2d00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b4e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b4e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 59 (Thread 0x7fc1ac5da700 (LWP 34141)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac3018)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac3018, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac2ec0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac2ec0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b510)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b510)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 58 (Thread 0x7fc1abdd9700 (LWP 34142)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac31d8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac31d8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac3080)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac3080)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf63b540)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf63b540)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 57 (Thread 0x7fc1ab5d8700 (LWP 34143)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac3398)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac3398, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac3240)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac3240)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9a30)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9a30)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 56 (Thread 0x7fc1aadd7700 (LWP 34144)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac3558)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac3558, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac3400)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac3400)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9a60)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9a60)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 55 (Thread 0x7fc1aa5d6700 (LWP 34145)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac3718)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac3718, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac35c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac35c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9a90)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9a90)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 54 (Thread 0x7fc1a9dd5700 (LWP 34146)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac38d8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac38d8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac3780)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac3780)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9ac0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9ac0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 53 (Thread 0x7fc1a95d4700 (LWP 34147)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac3a98)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac3a98, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac3940)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac3940)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9af0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9af0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 52 (Thread 0x7fc1a8dd3700 (LWP 34148)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac3c58)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac3c58, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac3b00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac3b00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9b20)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9b20)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 51 (Thread 0x7fc1a85d2700 (LWP 34149)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac3e18)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac3e18, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac3cc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac3cc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9b50)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9b50)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 50 (Thread 0x7fc1a7dd1700 (LWP 34150)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac3fd8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac3fd8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac3e80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac3e80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9b80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9b80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 49 (Thread 0x7fc1a75d0700 (LWP 34151)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac4198)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac4198, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac4040)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac4040)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9bb0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9bb0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 48 (Thread 0x7fc1a6dcf700 (LWP 34152)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac4358)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac4358, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac4200)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac4200)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9be0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9be0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 47 (Thread 0x7fc1a65ce700 (LWP 34153)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac4518)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac4518, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac43c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac43c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9c10)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9c10)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 46 (Thread 0x7fc1a5dcd700 (LWP 34154)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac46d8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac46d8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac4580)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac4580)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9c40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9c40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 45 (Thread 0x7fc1a55cc700 (LWP 34155)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac4898)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac4898, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac4740)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac4740)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9c70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9c70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 44 (Thread 0x7fc1a4dcb700 (LWP 34156)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac4a58)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac4a58, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac4900)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac4900)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9ca0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9ca0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 43 (Thread 0x7fc1a45ca700 (LWP 34157)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac4c18)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac4c18, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac4ac0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac4ac0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9cd0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9cd0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 42 (Thread 0x7fc1a3dc9700 (LWP 34158)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f48221bc in __gthread_cond_wait (__mutex=<optimized out>, 
     __cond=__cond@entry=0x7fc1f0ac4dd8)
     at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
 #2  std::condition_variable::wait (this=this@entry=0x7fc1f0ac4dd8, __lock=...)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
 #3  0x00000000004a7601 in Executor::run (this=0x7fc1f0ac4c80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
 #4  0x00007fc1f681ec8f in Couchbase::Thread::thread_entry (
     this=0x7fc1f0ac4c80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
 #5  0x00007fc1f6808727 in run (this=0x7fc1bf6f9d00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
 #6  platform_thread_wrap (arg=0x7fc1bf6f9d00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
 #7  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #8  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 41 (Thread 0x7fc09effd700 (LWP 34161)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f5b13fa2 in background_thread_sleep (tsdn=<optimized out>, 
     interval=<optimized out>, info=<optimized out>)
     at src/background_thread.c:232
 #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=0x7fc09efe4a60)
     at src/background_thread.c:497
 #4  background_thread_entry (ind_arg=<optimized out>)
     at src/background_thread.c:522
 #5  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #6  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 40 (Thread 0x7fc09dffb700 (LWP 34163)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f5b13fa2 in background_thread_sleep (tsdn=<optimized out>, 
     interval=<optimized out>, info=<optimized out>)
     at src/background_thread.c:232
 #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=0x7fc09dfe2a60)
     at src/background_thread.c:497
 #4  background_thread_entry (ind_arg=<optimized out>)
     at src/background_thread.c:522
 #5  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #6  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 39 (Thread 0x7fc07bfff700 (LWP 34166)):
 #0  0x00007fc1f4044a35 in pthread_cond_wait@@GLIBC_2.3.2 ()
    from /lib64/libpthread.so.0
 #1  0x00007fc1f5b13fa2 in background_thread_sleep (tsdn=<optimized out>, 
     interval=<optimized out>, info=<optimized out>)
     at src/background_thread.c:232
 #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=0x7fc07bfe6a60)
     at src/background_thread.c:497
 #4  background_thread_entry (ind_arg=<optimized out>)
     at src/background_thread.c:522
 #5  0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #6  0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 38 (Thread 0x7fc07b7fe700 (LWP 34167)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7dba50)
     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=0x7fc06e7dba50, 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  0x00007fc1f816c46d 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=0x7fc06e7dba50, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91bc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91bc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95290)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95280)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a200)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 37 (Thread 0x7fc07a3ff700 (LWP 34168)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db3a8)
     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=0x7fc06e7db3a8, 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  0x00007fc1f816c46d 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=0x7fc06e7db3a8, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91cc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91cc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b952e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b952d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a270)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 36 (Thread 0x7fc079bfe700 (LWP 34169)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db798)
     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=0x7fc06e7db798, 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  0x00007fc1f816c46d 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=0x7fc06e7db798, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91d00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91d00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95330)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95320)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a2e0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 35 (Thread 0x7fc0793fd700 (LWP 34170)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db720)
     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=0x7fc06e7db720, 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  0x00007fc1f816c46d 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=0x7fc06e7db720, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91d80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91d80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95380)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95370)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a350)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 34 (Thread 0x7fc078bfc700 (LWP 34171)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7dba68)
     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=0x7fc06e7dba68, 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  0x00007fc1f816c46d 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=0x7fc06e7dba68, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91dc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91dc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b953d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b953c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a3c0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 33 (Thread 0x7fc06e7da700 (LWP 34172)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db810)
     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=0x7fc06e7db810, 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  0x00007fc1f816c46d 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=0x7fc06e7db810, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91d40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91d40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95420)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95410)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a430)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 32 (Thread 0x7fc06dfd9700 (LWP 34173)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db9d8)
     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=0x7fc06e7db9d8, 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  0x00007fc1f816c46d 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=0x7fc06e7db9d8, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91e00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91e00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95470)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95460)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a4a0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 31 (Thread 0x7fc06d7d8700 (LWP 34174)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7dba80)
     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=0x7fc06e7dba80, 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  0x00007fc1f816c46d 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=0x7fc06e7dba80, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91e40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91e40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b954c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b954b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a510)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 30 (Thread 0x7fc06cfd7700 (LWP 34175)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db6f0)
     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=0x7fc06e7db6f0, 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  0x00007fc1f816c46d 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=0x7fc06e7db6f0, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91e80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91e80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95510)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95500)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a580)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 29 (Thread 0x7fc03ffff700 (LWP 34176)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db030)
     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=0x7fc06e7db030, 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  0x00007fc1f816c46d 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=0x7fc06e7db030, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91ec0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91ec0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95560)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95550)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a5f0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 28 (Thread 0x7fc03f7fe700 (LWP 34177)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db8e8)
     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=0x7fc06e7db8e8, 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  0x00007fc1f816c46d 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=0x7fc06e7db8e8, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91f00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91f00)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b955b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b955a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a660)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 27 (Thread 0x7fc03effd700 (LWP 34178)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db6c0)
     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=0x7fc06e7db6c0, 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  0x00007fc1f816c46d 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=0x7fc06e7db6c0, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91f40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91f40)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95600)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b955f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a6d0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 26 (Thread 0x7fc03dffb700 (LWP 34180)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db7b0)
     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=0x7fc06e7db7b0, 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  0x00007fc1f816c46d 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=0x7fc06e7db7b0, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91f80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91f80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95650)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95640)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a740)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 25 (Thread 0x7fc02ffff700 (LWP 34183)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db828)
     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=0x7fc06e7db828, 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  0x00007fc1f816c46d 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=0x7fc06e7db828, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0a91fc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0a91fc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b956a0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95690)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a7b0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 24 (Thread 0x7fc02f7fe700 (LWP 34184)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db9f0)
     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=0x7fc06e7db9f0, 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  0x00007fc1f816c46d 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=0x7fc06e7db9f0, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd000)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0bbd000)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b956f0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b956e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a820)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 23 (Thread 0x7fc02effd700 (LWP 34185)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db888)
     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=0x7fc06e7db888, 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  0x00007fc1f816c46d 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=0x7fc06e7db888, 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  0x00007fc1f816cad6 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=0x7fc084000a40, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084000a40)
     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=0x7fc084000a00, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2d800, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd040)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0bbd040)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95740)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95730)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a890)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 22 (Thread 0x7fc02e7fc700 (LWP 34186)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7e5410)
     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=0x7fc06e7e5410, 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  0x00007fc1f816c46d 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=0x7fc06e7e5410, 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  0x00007fc1f816cad6 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=0x7fc084003cc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084003cc0)
     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=0x7fc084003c80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2e400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd180)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0bbd180)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b958d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b958c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a900)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 21 (Thread 0x7fc02dffb700 (LWP 34187)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7e54e8)
     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=0x7fc06e7e54e8, 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  0x00007fc1f816c46d 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=0x7fc06e7e54e8, 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  0x00007fc1f816cad6 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=0x7fc084003cc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084003cc0)
     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=0x7fc084003c80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2e400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd1c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0bbd1c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95920)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95910)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a970)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 20 (Thread 0x7fc02d7fa700 (LWP 34188)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7e13f0)
     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=0x7fc06e7e13f0, 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  0x00007fc1f816c46d 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=0x7fc06e7e13f0, 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  0x00007fc1f816cad6 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=0x7fc084003cc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084003cc0)
     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=0x7fc084003c80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2e400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd200)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0bbd200)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95970)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95960)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088a9e0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 19 (Thread 0x7fc02cff9700 (LWP 34189)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7e07d8)
     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=0x7fc06e7e07d8, 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  0x00007fc1f816c46d 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=0x7fc06e7e07d8, 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  0x00007fc1f816cad6 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=0x7fc084003cc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084003cc0)
     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=0x7fc084003c80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0a2e400, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd280)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0bbd280)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b959c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b959b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088aa50)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 18 (Thread 0x7fbffbfff700 (LWP 34190)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db1f8)
     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=0x7fc06e7db1f8, 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  0x00007fc1f816c5a7 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=0x7fc06e7db1f8, 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  0x00007fc1f816cad6 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=0x7fc084004bc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084004bc0)
     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=0x7fc084004b80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd340)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #19 operator() (__closure=0x7fc1a0bbd340)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95c90)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #22 operator() (__closure=0x7fc1a0b95c80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #23 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #24 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088aac0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #25 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #26 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 17 (Thread 0x7fbffb7fe700 (LWP 34191)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db210)
     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=0x7fc06e7db210, 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  0x00007fc1f816c5a7 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=0x7fc06e7db210, 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  0x00007fc1f816cad6 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=0x7fc084004bc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084004bc0)
     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=0x7fc084004b80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd380)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #19 operator() (__closure=0x7fc1a0bbd380)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95ce0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #22 operator() (__closure=0x7fc1a0b95cd0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #23 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #24 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088ab30)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #25 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #26 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 16 (Thread 0x7fbffaffd700 (LWP 34192)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db228)
     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=0x7fc06e7db228, 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  0x00007fc1f816c5a7 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=0x7fc06e7db228, 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  0x00007fc1f816cad6 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=0x7fc084004bc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084004bc0)
     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=0x7fc084004b80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd3c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #19 operator() (__closure=0x7fc1a0bbd3c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95d30)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #22 operator() (__closure=0x7fc1a0b95d20)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #23 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #24 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088aba0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #25 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #26 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 15 (Thread 0x7fbffa7fc700 (LWP 34193)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db240)
     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=0x7fc06e7db240, 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  0x00007fc1f816c46d 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=0x7fc06e7db240, 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  0x00007fc1f816cad6 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=0x7fc084004bc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084004bc0)
     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=0x7fc084004b80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd440)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0bbd440)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95d80)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95d70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088ac10)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 14 (Thread 0x7fbff9ffb700 (LWP 34194)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7dcae8)
     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=0x7fc06e7dcae8, 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  0x00007fc1f816c46d 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=0x7fc06e7dcae8, 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  0x00007fc1f816cad6 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=0x7fc084004bc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084004bc0)
     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=0x7fc084004b80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd480)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0bbd480)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95dd0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95dc0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088ac80)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 13 (Thread 0x7fbff97fa700 (LWP 34195)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db270)
     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=0x7fc06e7db270, 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  0x00007fc1f816c46d 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=0x7fc06e7db270, 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  0x00007fc1f816cad6 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=0x7fc084004bc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084004bc0)
     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=0x7fc084004b80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd400)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0bbd400)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95e20)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95e10)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088acf0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 12 (Thread 0x7fbff8ff9700 (LWP 34196)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7dc950)
     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=0x7fc06e7dc950, 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  0x00007fc1f816c46d 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=0x7fc06e7dc950, 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  0x00007fc1f816cad6 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=0x7fc084004bc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084004bc0)
     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=0x7fc084004b80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd4c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0bbd4c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95e70)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95e60)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088ad60)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 11 (Thread 0x7fbfe3fff700 (LWP 34197)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db150)
     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=0x7fc06e7db150, 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  0x00007fc1f816c46d 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=0x7fc06e7db150, 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  0x00007fc1f816cad6 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=0x7fc084004bc0, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #9  0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084004bc0)
     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=0x7fc084004b80, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8000, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #12 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd500)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #18 operator() (__closure=0x7fc1a0bbd500)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b95ec0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #21 operator() (__closure=0x7fc1a0b95eb0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #22 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #23 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088add0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #24 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #25 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 10 (Thread 0x7fbfe37fe700 (LWP 34198)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7e0e68)
     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=0x7fc06e7e0e68, 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  0x00007fc1f816c5a7 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=0x7fc06e7e0e68, 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  0x00007fc1f816cad6 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=0x7fc084006640, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084006640)
     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=0x7fc084006600, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8c00, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd600)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #19 operator() (__closure=0x7fc1a0bbd600)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b96190)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #22 operator() (__closure=0x7fc1a0b96180)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #23 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #24 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088ae40)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #25 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #26 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 9 (Thread 0x7fbfe2ffd700 (LWP 34199)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7db900)
     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=0x7fc06e7db900, 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  0x00007fc1f816c5a7 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=0x7fc06e7db900, 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  0x00007fc1f816cad6 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=0x7fc084006640, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084006640)
     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=0x7fc084006600, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8c00, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd640)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #19 operator() (__closure=0x7fc1a0bbd640)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b961e0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #22 operator() (__closure=0x7fc1a0b961d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #23 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #24 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088aeb0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #25 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #26 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 8 (Thread 0x7fbfe27fc700 (LWP 34200)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7df578)
     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=0x7fc06e7df578, 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  0x00007fc1f816c5a7 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=0x7fc06e7df578, 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  0x00007fc1f816cad6 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=0x7fc084006640, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084006640)
     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=0x7fc084006600, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8c00, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd680)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #19 operator() (__closure=0x7fc1a0bbd680)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b96230)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #22 operator() (__closure=0x7fc1a0b96220)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #23 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #24 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088af20)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #25 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #26 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 7 (Thread 0x7fbfe1ffb700 (LWP 34201)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7df878)
     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=0x7fc06e7df878, 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  0x00007fc1f816c5a7 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=0x7fc06e7df878, 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  0x00007fc1f816cad6 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=0x7fc084006640, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084006640)
     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=0x7fc084006600, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8c00, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd700)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #19 operator() (__closure=0x7fc1a0bbd700)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b96280)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #22 operator() (__closure=0x7fc1a0b96270)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #23 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #24 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a088af90)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #25 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #26 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 6 (Thread 0x7fbfe17fa700 (LWP 34202)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7e53b0)
     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=0x7fc06e7e53b0, 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  0x00007fc1f816c5a7 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=0x7fc06e7e53b0, 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  0x00007fc1f816cad6 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=0x7fc084006640, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084006640)
     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=0x7fc084006600, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8c00, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd740)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #19 operator() (__closure=0x7fc1a0bbd740)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b962d0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #22 operator() (__closure=0x7fc1a0b962c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #23 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #24 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a0c18000)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #25 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #26 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 5 (Thread 0x7fbfe0ff9700 (LWP 34203)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7e1528)
     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=0x7fc06e7e1528, 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  0x00007fc1f816c5a7 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=0x7fc06e7e1528, 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  0x00007fc1f816cad6 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=0x7fc084006640, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084006640)
     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=0x7fc084006600, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8c00, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd6c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #19 operator() (__closure=0x7fc1a0bbd6c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b96320)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #22 operator() (__closure=0x7fc1a0b96310)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #23 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #24 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a0c18070)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #25 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #26 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 4 (Thread 0x7fbfbffff700 (LWP 34204)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7e10a8)
     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=0x7fc06e7e10a8, 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  0x00007fc1f816c5a7 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=0x7fc06e7e10a8, 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  0x00007fc1f816cad6 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=0x7fc084006640, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084006640)
     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=0x7fc084006600, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8c00, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd780)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #19 operator() (__closure=0x7fc1a0bbd780)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b96370)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #22 operator() (__closure=0x7fc1a0b96360)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #23 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #24 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a0c180e0)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #25 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #26 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 3 (Thread 0x7fbfbf7fe700 (LWP 34205)):
 #0  0x00007fc1f3d63d19 in syscall () from /lib64/libc.so.6
 #1  0x00007fc1f815f94d in nativeFutexWaitImpl (waitMask=<optimized out>, 
     absSteadyTime=<optimized out>, absSystemTime=<optimized out>, 
     expected=<optimized out>, addr=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
 #2  folly::detail::futexWaitImpl (futex=<optimized out>, 
     expected=<optimized out>, absSystemTime=<optimized out>, 
     absSteadyTime=<optimized out>, waitMask=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
 #3  0x00007fc1f8166b5a 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=0x7fc06e7e53c8)
     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=0x7fc06e7e53c8, 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  0x00007fc1f816c5a7 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=0x7fc06e7e53c8, 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  0x00007fc1f816cad6 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=0x7fc084006640, 
     deadline=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
 #10 0x00007fc1f8170230 in try_wait_for<long, std::ratio<1, 1000> > (
     timeout=<synthetic pointer>, this=0x7fc084006640)
     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=0x7fc084006600, 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 0x00007fc1f8164ec7 in folly::CPUThreadPoolExecutor::threadRun (
     this=0x7fc1a0bc8c00, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
 #13 0x00007fc1f817fa19 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 0x00007fc1f80048e8 in operator() (this=0x7fc1a0bbd7c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #19 operator() (__closure=0x7fc1a0bbd7c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
 #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 0x00007fc1f80047c3 in operator() (this=0x7fc1a0b963c0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
 #22 operator() (__closure=0x7fc1a0b963b0)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
 #23 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::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
 #24 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fc1a0c18150)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #25 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #26 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 2 (Thread 0x7fbe9beff700 (LWP 34213)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fbea6758000, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fbea6758000, flags=1)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x00007fc1f8184dd7 in folly::EventBase::loopBody (
     this=this@entry=0x7fbea6727180, 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  0x00007fc1f81852a6 in folly::EventBase::loop (
     this=this@entry=0x7fbea6727180)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
 #5  0x00007fc1f8186c66 in folly::EventBase::loopForever (this=0x7fbea6727180)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
 #6  0x00007fc1f8174289 in folly::IOThreadPoolExecutor::threadRun (
     this=0x7fc1a08b2180, thread=...)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/IOThreadPoolExecutor.cpp:195
 #7  0x00007fc1f817fa19 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 0x00007fc1f4827dcf in std::execute_native_thread_routine (
     __p=0x7fbea6748480)
     at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
 #13 0x00007fc1f4040ea5 in start_thread () from /lib64/libpthread.so.0
 #14 0x00007fc1f3d699fd in clone () from /lib64/libc.so.6
 
 Thread 1 (Thread 0x7fc1f8fbf400 (LWP 34023)):
 #0  0x00007fc1f3d69fd3 in epoll_wait () from /lib64/libc.so.6
 #1  0x00007fc1f58db3c5 in epoll_dispatch (base=0x7fc1f36bc000, 
     tv=<optimized out>)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
 #2  0x00007fc1f58d2376 in event_base_loop (base=0x7fc1f36bc000, 
     flags=flags@entry=0)
     at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
 #3  0x000000000042811a in memcached_main (argc=<optimized out>, 
     argv=<optimized out>)
     at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/memcached.cc:1542
 #4  0x00007fc1f3c8d555 in __libc_start_main () from /lib64/libc.so.6
 #5  0x0000000000420505 in _start ()
 Detaching from program: /opt/couchbase/bin/memcached, process 34023
 [Inferior 1 (process 34023) detached]

172.23.110.69 : SSH Successful
172.23.110.69 : Looking for crash dump files
172.23.110.69 : No crash files found
172.23.110.70 : SSH Successful
172.23.110.70 : Looking for crash dump files
172.23.110.70 : No crash files found
riteshagarwal@Riteshs-MacBook-Pro TAF %