GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-114.el7
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
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For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /opt/couchbase/bin/memcached...Reading symbols from /usr/lib/debug/opt/couchbase/bin/memcached.debug...done.
done.
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Core was generated by `/opt/couchbase/bin/memcached -C /opt/couchbase/var/lib/couchbase/config/memcach'.
#0  0x00007f51691a3387 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
55	  return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);

Thread 32 (LWP 10136):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f516b015e51 in background_thread_sleep (tsdn=<optimized out>, interval=10000000000, info=<optimized out>) at src/background_thread.c:255
#2  background_work_sleep_once (ind=<optimized out>, info=<optimized out>, tsdn=<optimized out>) at src/background_thread.c:307
#3  background_work (ind=<optimized out>, tsd=0x7f50f1be6a60) at src/background_thread.c:497
#4  background_thread_entry (ind_arg=<optimized out>) at src/background_thread.c:522
#5  0x00007f5169542ea5 in start_thread (arg=0x7f50f1bff700) at pthread_create.c:307
#6  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 31 (LWP 10129):
#0  0x00007f516926beb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f516addd3c5 in epoll_dispatch (base=0x7f515c28f000, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f516add4376 in event_base_loop (base=0x7f515c28f000, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
#3  0x00007f516d68c2f7 in folly::EventBase::loopBody (this=this@entry=0x7f515c12a780, 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  0x00007f516d68c7c6 in folly::EventBase::loop (this=this@entry=0x7f515c12a780) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
#5  0x00007f516d68e186 in folly::EventBase::loopForever (this=0x7f515c12a780) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
#6  0x00007f516d67b7a9 in folly::IOThreadPoolExecutor::threadRun (this=0x7f515c181780, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/IOThreadPoolExecutor.cpp:195
#7  0x00007f516d686f39 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 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f515c170880) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#13 0x00007f5169542ea5 in start_thread (arg=0x7f50f3fff700) at pthread_create.c:307
#14 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 30 (LWP 10128):
#0  __atomic_add (__val=1, __mem=0x7f511457bf08) at /usr/local/include/c++/7.3.0/ext/atomicity.h:53
#1  __atomic_add_dispatch (__val=1, __mem=0x7f511457bf08) at /usr/local/include/c++/7.3.0/ext/atomicity.h:96
#2  _M_add_ref_copy (this=0x7f511457bf00) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:138
#3  __shared_count (__r=..., this=0x7f5114fdfbc8) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:691
#4  __shared_ptr (this=0x7f5114fdfbc0) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:1121
#5  shared_ptr (this=0x7f5114fdfbc0) at /usr/local/include/c++/7.3.0/bits/shared_ptr.h:119
#6  KVShard::getBucket (this=<optimized out>, id=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvshard.cc:100
#7  0x00007f516d58833c in VBucketMap::getBucket (this=<optimized out>, id=..., id@entry=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucketmap.cc:43
#8  0x00007f516d52e0fa in getVBucket (vbid=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kv_bucket.h:227
#9  VBCBAdaptor::run (this=0x7f50b9476c70) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kv_bucket.cc:2306
#10 0x00007f516d5126f3 in GlobalTask::execute (this=0x7f50b9476c70) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:74
#11 0x00007f516d50c602 in operator() (__closure=0x7f5114fe0040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:195
#12 folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#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
#13 0x00007f516d683f80 in operator() (this=0x7f5114fe0040) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
#14 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x7f515c12fc00, thread=..., 
    task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x3563131, DIE 0x35a9581>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
#15 0x00007f516d66c45a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f515c12fc00, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
#16 0x00007f516d686f39 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
#17 __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
#18 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#19 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#20 folly::detail::function::FunctionTraits<void ()>::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
#21 0x00007f516d50aec8 in operator() (this=0x7f515c169d40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#22 operator() (__closure=0x7f515c169d40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#23 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
#24 0x00007f516d50ada3 in operator() (this=0x7f5167dcc4f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#25 operator() (__closure=0x7f5167dcc4e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#26 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
#27 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f515c170810) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#28 0x00007f5169542ea5 in start_thread (arg=0x7f5114ff9700) at pthread_create.c:307
#29 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 29 (LWP 10127):
#0  __atomic_add (__val=1, __mem=0x7f50e9b61188) at /usr/local/include/c++/7.3.0/ext/atomicity.h:53
#1  __atomic_add_dispatch (__val=1, __mem=0x7f50e9b61188) at /usr/local/include/c++/7.3.0/ext/atomicity.h:96
#2  _M_add_ref_copy (this=0x7f50e9b61180) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:138
#3  __shared_count (__r=..., this=0x7f51157e0bc8) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:691
#4  __shared_ptr (this=0x7f51157e0bc0) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:1121
#5  shared_ptr (this=0x7f51157e0bc0) at /usr/local/include/c++/7.3.0/bits/shared_ptr.h:119
#6  KVShard::getBucket (this=<optimized out>, id=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvshard.cc:100
#7  0x00007f516d58833c in VBucketMap::getBucket (this=<optimized out>, id=..., id@entry=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucketmap.cc:43
#8  0x00007f516d52e0fa in getVBucket (vbid=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kv_bucket.h:227
#9  VBCBAdaptor::run (this=0x7f50f13ba070) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kv_bucket.cc:2306
#10 0x00007f516d5126f3 in GlobalTask::execute (this=0x7f50f13ba070) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:74
#11 0x00007f516d50c602 in operator() (__closure=0x7f51157e1040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:195
#12 folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#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
#13 0x00007f516d683f80 in operator() (this=0x7f51157e1040) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
#14 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x7f515c12fc00, thread=..., 
    task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x3563131, DIE 0x35a9581>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
#15 0x00007f516d66c45a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f515c12fc00, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
#16 0x00007f516d686f39 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
#17 __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
#18 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#19 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#20 folly::detail::function::FunctionTraits<void ()>::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
#21 0x00007f516d50aec8 in operator() (this=0x7f515c169d00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#22 operator() (__closure=0x7f515c169d00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#23 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
#24 0x00007f516d50ada3 in operator() (this=0x7f5167dcc4a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#25 operator() (__closure=0x7f5167dcc490) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#26 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
#27 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f515c1707a0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#28 0x00007f5169542ea5 in start_thread (arg=0x7f51157fa700) at pthread_create.c:307
#29 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 28 (LWP 10126):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f516d666e6d 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  0x00007f516d66e07a 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=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) 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=<optimized out>, expected=<optimized out>, deadline=..., 
    waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x00007f516d67398d in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f51247d7258, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  0x00007f516d673ff6 in 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=0x7f51280027c0, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f516d677750 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f5128002780, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f516d66c3e7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f515c12f000, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f516d686f39 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
#10 __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
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#13 folly::detail::function::FunctionTraits<void ()>::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
#14 0x00007f516d50aec8 in operator() (this=0x7f515c169c00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x7f515c169c00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#16 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
#17 0x00007f516d50ada3 in operator() (this=0x7f5167dcc3b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x7f5167dcc3a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#19 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
#20 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f515c170730) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#21 0x00007f5169542ea5 in start_thread (arg=0x7f5115ffb700) at pthread_create.c:307
#22 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 27 (LWP 10125):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f516d666e6d 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  0x00007f516d66e07a 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=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) 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=<optimized out>, expected=<optimized out>, deadline=..., 
    waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x00007f516d67398d in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f51247d8920, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  0x00007f516d673ff6 in 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=0x7f51280018c0, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f516d677750 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f5128001880, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f516d66c3e7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f5167dd4400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f516d686f39 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
#10 __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
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#13 folly::detail::function::FunctionTraits<void ()>::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
#14 0x00007f516d50aec8 in operator() (this=0x7f515c169b40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x7f515c169b40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#16 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
#17 0x00007f516d50ada3 in operator() (this=0x7f5167dcc310) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x7f5167dcc300) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#19 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
#20 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f515c1706c0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#21 0x00007f5169542ea5 in start_thread (arg=0x7f51167fc700) at pthread_create.c:307
#22 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 26 (LWP 10124):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f516d666e6d 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  0x00007f516d66e07a 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=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) 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=<optimized out>, expected=<optimized out>, deadline=..., 
    waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x00007f516d67398d in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f51247d8938, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  0x00007f516d673ff6 in 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=0x7f51280018c0, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f516d677750 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f5128001880, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f516d66c3e7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f5167dd4400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f516d686f39 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
#10 __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
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#13 folly::detail::function::FunctionTraits<void ()>::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
#14 0x00007f516d50aec8 in operator() (this=0x7f515c169ac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x7f515c169ac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#16 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
#17 0x00007f516d50ada3 in operator() (this=0x7f5167dcc2c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x7f5167dcc2b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#19 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
#20 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f515c170650) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#21 0x00007f5169542ea5 in start_thread (arg=0x7f5116ffd700) at pthread_create.c:307
#22 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 25 (LWP 10123):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f516d666e6d 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  0x00007f516d66e07a 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=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) 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=<optimized out>, expected=<optimized out>, deadline=..., 
    waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x00007f516d67398d in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f51247d88f0, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  0x00007f516d673ff6 in 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=0x7f51280018c0, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f516d677750 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f5128001880, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f516d66c3e7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f5167dd4400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f516d686f39 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
#10 __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
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#13 folly::detail::function::FunctionTraits<void ()>::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
#14 0x00007f516d50aec8 in operator() (this=0x7f515c169a80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x7f515c169a80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#16 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
#17 0x00007f516d50ada3 in operator() (this=0x7f5167dcc270) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x7f5167dcc260) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#19 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
#20 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f515c1705e0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#21 0x00007f5169542ea5 in start_thread (arg=0x7f51177fe700) at pthread_create.c:307
#22 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 24 (LWP 10122):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f516d666e6d 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  0x00007f516d66e07a 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=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) 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=<optimized out>, expected=<optimized out>, deadline=..., 
    waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x00007f516d673ac7 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f51247d85c0, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
#6  0x00007f516d673ff6 in 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=0x7f51280018c0, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f516d677750 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f5128001880, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f516d66c3e7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f5167dd4400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f516d686f39 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
#10 __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
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#13 folly::detail::function::FunctionTraits<void ()>::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
#14 0x00007f516d50aec8 in operator() (this=0x7f515c169a40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x7f515c169a40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#16 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
#17 0x00007f516d50ada3 in operator() (this=0x7f5167dcc220) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x7f5167dcc210) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#19 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
#20 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f515c170570) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#21 0x00007f5169542ea5 in start_thread (arg=0x7f5117fff700) at pthread_create.c:307
#22 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 23 (LWP 10121):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f516d666e6d 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  0x00007f516d66e07a 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=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) 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=<optimized out>, expected=<optimized out>, deadline=..., 
    waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x00007f516d67398d in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f51247d7030, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  0x00007f516d673ff6 in 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=0x7f5128000a40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f516d677750 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f5128000a00, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f516d66c3e7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f5167dd3800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f516d686f39 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
#10 __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
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#13 folly::detail::function::FunctionTraits<void ()>::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
#14 0x00007f516d50aec8 in operator() (this=0x7f515c169940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x7f515c169940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#16 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
#17 0x00007f516d50ada3 in operator() (this=0x7f5167dcc090) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x7f5167dcc080) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#19 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
#20 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f515c170500) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#21 0x00007f5169542ea5 in start_thread (arg=0x7f51267fc700) at pthread_create.c:307
#22 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (LWP 10120):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f516d666e6d 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  0x00007f516d66e07a 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=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) 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=<optimized out>, expected=<optimized out>, deadline=..., 
    waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x00007f516d673ac7 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f51247d7018, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
#6  0x00007f516d673ff6 in 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=0x7f5128000a40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f516d677750 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f5128000a00, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f516d66c3e7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f5167dd3800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f516d686f39 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
#10 __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
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#13 folly::detail::function::FunctionTraits<void ()>::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
#14 0x00007f516d50aec8 in operator() (this=0x7f515c1698c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x7f515c1698c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#16 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
#17 0x00007f516d50ada3 in operator() (this=0x7f5167dcc040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x7f5167dcc030) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#19 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
#20 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f5167c6e5b0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#21 0x00007f5169542ea5 in start_thread (arg=0x7f5126ffd700) at pthread_create.c:307
#22 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (LWP 10118):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f516d666e6d 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  0x00007f516d66e07a 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=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) 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=<optimized out>, expected=<optimized out>, deadline=..., 
    waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x00007f516d67398d in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f51247d7048, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  0x00007f516d673ff6 in 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=0x7f5128000a40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f516d677750 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f5128000a00, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f516d66c3e7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f5167dd3800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f516d686f39 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
#10 __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
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#13 folly::detail::function::FunctionTraits<void ()>::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
#14 0x00007f516d50aec8 in operator() (this=0x7f515c169840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x7f515c169840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#16 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
#17 0x00007f516d50ada3 in operator() (this=0x7f5167dcbfa0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x7f5167dcbf90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#19 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
#20 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f5167c6e460) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#21 0x00007f5169542ea5 in start_thread (arg=0x7f5127fff700) at pthread_create.c:307
#22 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (LWP 10117):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f516b015e51 in background_thread_sleep (tsdn=<optimized out>, interval=10000000000, info=<optimized out>) at src/background_thread.c:255
#2  background_work_sleep_once (ind=<optimized out>, info=<optimized out>, tsdn=<optimized out>) at src/background_thread.c:307
#3  background_work (ind=<optimized out>, tsd=0x7f5154fe6a60) at src/background_thread.c:497
#4  background_thread_entry (ind_arg=<optimized out>) at src/background_thread.c:522
#5  0x00007f5169542ea5 in start_thread (arg=0x7f5154fff700) at pthread_create.c:307
#6  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (LWP 9910):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5169d241bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7f5167b20698) 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=0x7f5167b20698, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000004a7bc1 in Executor::run (this=0x7f5167b20540) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
#4  0x00007f516bd20c8f in Couchbase::Thread::thread_entry (this=0x7f5167b20540) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#5  0x00007f516bd0a727 in run (this=0x7f5167d4ee90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#6  platform_thread_wrap (arg=0x7f5167d4ee90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#7  0x00007f5169542ea5 in start_thread (arg=0x7f51577fe700) at pthread_create.c:307
#8  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (LWP 9909):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5169d241bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7f5167b204d8) 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=0x7f5167b204d8, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000004a7bc1 in Executor::run (this=0x7f5167b20380) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
#4  0x00007f516bd20c8f in Couchbase::Thread::thread_entry (this=0x7f5167b20380) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#5  0x00007f516bd0a727 in run (this=0x7f5167d4ecb0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#6  platform_thread_wrap (arg=0x7f5167d4ecb0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#7  0x00007f5169542ea5 in start_thread (arg=0x7f5157fff700) at pthread_create.c:307
#8  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (LWP 9908):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5169d241bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7f5167b20318) 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=0x7f5167b20318, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000004a7bc1 in Executor::run (this=0x7f5167b201c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
#4  0x00007f516bd20c8f in Couchbase::Thread::thread_entry (this=0x7f5167b201c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#5  0x00007f516bd0a727 in run (this=0x7f5167d4eef0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#6  platform_thread_wrap (arg=0x7f5167d4eef0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#7  0x00007f5169542ea5 in start_thread (arg=0x7f515cff9700) at pthread_create.c:307
#8  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (LWP 9907):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5169d241bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7f5167b20158) 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=0x7f5167b20158, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000004a7bc1 in Executor::run (this=0x7f5167b20000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
#4  0x00007f516bd20c8f in Couchbase::Thread::thread_entry (this=0x7f5167b20000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#5  0x00007f516bd0a727 in run (this=0x7f5167d4eec0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#6  platform_thread_wrap (arg=0x7f5167d4eec0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#7  0x00007f5169542ea5 in start_thread (arg=0x7f515d7fa700) at pthread_create.c:307
#8  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (LWP 9906):
#0  0x00007f516926beb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f516addd3c5 in epoll_dispatch (base=0x7f5167ca0c00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f516add4376 in event_base_loop (base=0x7f5167ca0c00, 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  0x000000000046bd29 in worker_libevent (arg=0x7f5167ce7ff8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
#4  0x00007f516bd0a727 in run (this=0x7f5167d4ece0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#5  platform_thread_wrap (arg=0x7f5167d4ece0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#6  0x00007f5169542ea5 in start_thread (arg=0x7f515dffb700) at pthread_create.c:307
#7  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (LWP 9905):
#0  0x00007f516926beb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f516addd3c5 in epoll_dispatch (base=0x7f5167ca0900, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f516add4376 in event_base_loop (base=0x7f5167ca0900, 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  0x000000000046bd29 in worker_libevent (arg=0x7f5167ce7550) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
#4  0x00007f516bd0a727 in run (this=0x7f5167d4ee60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#5  platform_thread_wrap (arg=0x7f5167d4ee60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#6  0x00007f5169542ea5 in start_thread (arg=0x7f515e7fc700) at pthread_create.c:307
#7  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (LWP 9904):
#0  0x00007f516926beb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f516addd3c5 in epoll_dispatch (base=0x7f5167ca0600, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f516add4376 in event_base_loop (base=0x7f5167ca0600, 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  0x000000000046bd29 in worker_libevent (arg=0x7f5167ce6aa8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
#4  0x00007f516bd0a727 in run (this=0x7f5167d4ed40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#5  platform_thread_wrap (arg=0x7f5167d4ed40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#6  0x00007f5169542ea5 in start_thread (arg=0x7f515effd700) at pthread_create.c:307
#7  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (LWP 9903):
#0  0x00007f516926beb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f516addd3c5 in epoll_dispatch (base=0x7f5167ca0300, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f516add4376 in event_base_loop (base=0x7f5167ca0300, 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  0x000000000046bd29 in worker_libevent (arg=0x7f5167ce6000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
#4  0x00007f516bd0a727 in run (this=0x7f5167d4eb60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#5  platform_thread_wrap (arg=0x7f5167d4eb60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#6  0x00007f5169542ea5 in start_thread (arg=0x7f515f7fe700) at pthread_create.c:307
#7  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (LWP 9902):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00000000004f63a6 in __gthread_cond_timedwait (__abs_timeout=0x7f515ffe61f0, __mutex=<optimized out>, __cond=0x7f5167c698f8) 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=0x7f5167c698f8) 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=0x7f5167c698f8) at /usr/local/include/c++/7.3.0/condition_variable:106
#4  wait_for<long, std::ratio<1> > (__rtime=..., __lock=..., this=0x7f5167c698f8) at /usr/local/include/c++/7.3.0/condition_variable:138
#5  AuditImpl::consume_events (this=0x7f5167c69500) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/auditd/src/audit.cc:408
#6  0x00007f516bd0a727 in run (this=0x7f5168b468a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#7  platform_thread_wrap (arg=0x7f5168b468a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#8  0x00007f5169542ea5 in start_thread (arg=0x7f515ffff700) at pthread_create.c:307
#9  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (LWP 9901):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x0000000000497270 in __gthread_cond_timedwait (__abs_timeout=0x7f516485f1d0, __mutex=<optimized out>, __cond=0x7f5167c640f8) 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=0x7f5167c640f8) 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=0x7f5167c640f8) 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=0x7f5167c640f8) at /usr/local/include/c++/7.3.0/condition_variable:138
#5  ExternalAuthManagerThread::run (this=0x7f5167c64000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/external_auth_manager_thread.cc:229
#6  0x00007f516bd20c8f in Couchbase::Thread::thread_entry (this=0x7f5167c64000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#7  0x00007f516bd0a727 in run (this=0x7f5168b46b40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#8  platform_thread_wrap (arg=0x7f5168b46b40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#9  0x00007f5169542ea5 in start_thread (arg=0x7f5164878700) at pthread_create.c:307
#10 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (LWP 9900):
#0  0x00007f5169260c3d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f516d0d5ab8 in master_thread_run (ctx=0xf7df70) 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=0xf7df70) 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  0x00007f5169542ea5 in start_thread (arg=0x7f5165079700) at pthread_create.c:307
#4  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (LWP 9899):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f516d0deb0b in consume_socket (thread_index=<optimized out>, sp=0xf7fe78, ctx=0xf7df70)
    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=0xf7f588) 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=0xf7f588) 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  0x00007f5169542ea5 in start_thread (arg=0x7f516587a700) at pthread_create.c:307
#5  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (LWP 9898):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f516d0deb0b in consume_socket (thread_index=<optimized out>, sp=0xf7f490, ctx=0xf7df70)
    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=0xf7eba0) 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=0xf7eba0) 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  0x00007f5169542ea5 in start_thread (arg=0x7f516607b700) at pthread_create.c:307
#5  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (LWP 9897):
#0  0x00007f5169260c3d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x000000000046af9e in get_command (buffsize=80, buffer=0x7f51668631d0 "") 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  0x00007f516bd0a727 in run (this=0x7f5168b463f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#4  platform_thread_wrap (arg=0x7f5168b463f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#5  0x00007f5169542ea5 in start_thread (arg=0x7f516687c700) at pthread_create.c:307
#6  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (LWP 9896):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f516c83ff7a in __gthread_cond_timedwait (__abs_timeout=0x7f51670641f0, __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=0x7f5167c55988) 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=0x7f5167c55988) at /usr/local/include/c++/7.3.0/thread:234
#10 operator() (this=0x7f5167c55988) at /usr/local/include/c++/7.3.0/thread:243
#11 _ZNSt6thread11_State_implINS_8_InvokerISt5tupleIJZN6spdlog7details15periodic_workerC4ERKSt8functionIFvvEENSt6chrono8durationIlSt5ratioILl1ELl1EEEEEUlvE_EEEEE6_M_runEv (this=0x7f5167c55980) at /usr/local/include/c++/7.3.0/thread:186
#12 0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f5167c55980) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#13 0x00007f5169542ea5 in start_thread (arg=0x7f516707d700) at pthread_create.c:307
#14 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (LWP 9895):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f516c8408bd in __gthread_cond_timedwait (__abs_timeout=0x7f5167864fa0, __mutex=<optimized out>, __cond=0x7f5168a12538) 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=0x7f5168a12538) 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=0x7f5168a12538) 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=0x7f5168a12538) 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=0x7f5168a12538) at /usr/local/include/c++/7.3.0/condition_variable:145
#6  dequeue_for (wait_duration=..., popped_item=..., this=0x7f5168a12510) 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=0x7f5168a12510) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/thread_pool.h:193
#8  0x00007f516c840e10 in spdlog::details::thread_pool::worker_loop_ (this=0x7f5168a12510) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/thread_pool.h:184
#9  0x00007f5169d29dcf in std::execute_native_thread_routine (__p=0x7f5168a45200) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#10 0x00007f5169542ea5 in start_thread (arg=0x7f516787e700) at pthread_create.c:307
#11 0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (LWP 9894):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f516b0165a7 in background_thread_sleep (tsdn=<optimized out>, interval=7525000000, 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=0x7f51685e6a60) at src/background_thread.c:452
#4  background_work (ind=<optimized out>, tsd=0x7f51685e6a60) at src/background_thread.c:490
#5  background_thread_entry (ind_arg=<optimized out>) at src/background_thread.c:522
#6  0x00007f5169542ea5 in start_thread (arg=0x7f51685ff700) at pthread_create.c:307
#7  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (LWP 9893):
#0  0x00007f516926beb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f516addd3c5 in epoll_dispatch (base=0x7f5167ca0000, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f516add4376 in event_base_loop (base=0x7f5167ca0000, 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  0x000000000042820a in memcached_main (argc=<optimized out>, argv=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/memcached.cc:1542
#4  0x00007f516918f555 in __libc_start_main (main=0x41dd60 <main(int, char**)>, argc=3, argv=0x7ffe6ce36c98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe6ce36c88) at ../csu/libc-start.c:266
#5  0x00000000004205f5 in _start ()

Thread 1 (LWP 10119):
#0  0x00007f51691a3387 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
#1  0x00007f51691a4a78 in __GI_abort () at abort.c:90
#2  0x00007f5169d01195 in __gnu_cxx::__verbose_terminate_handler () at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/vterminate.cc:95
#3  0x000000000055c972 in backtrace_terminate_handler () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:93
#4  0x00007f5169cfef86 in __cxxabiv1::__terminate (handler=<optimized out>) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_terminate.cc:47
#5  0x00007f5169cfefd1 in std::terminate () at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_terminate.cc:57
#6  0x00007f5169d29dfe in std::execute_native_thread_routine (__p=0x7f5167c6e4d0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:91
#7  0x00007f5169542ea5 in start_thread (arg=0x7f51277fe700) at pthread_create.c:307
#8  0x00007f516926b8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No core file now.