GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-119.el7
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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This GDB was configured as "x86_64-redhat-linux-gnu".
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  0x00007f34b2450387 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 39 (LWP 107928):
#0  0x00007f34b2518eb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f34b4da83c5 in epoll_dispatch (base=0x6170000afe80, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f34b4d9f376 in event_base_loop (base=0x6170000afe80, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
#3  0x00007f34bd58eaa7 in folly::EventBase::loopBody (this=this@entry=0x6160000c0080, 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  0x00007f34bd58ef76 in folly::EventBase::loop (this=this@entry=0x6160000c0080) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
#5  0x00007f34bd590936 in folly::EventBase::loopForever (this=0x6160000c0080) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
#6  0x00007f34bd57de09 in folly::IOThreadPoolExecutor::threadRun (this=0x6160000afe80, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/IOThreadPoolExecutor.cpp:195
#7  0x00007f34bd5896e9 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 0x00007f34bcc8d704 in operator() (this=0x60b00005c1a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#13 operator() (__closure=0x60b00005c1a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#14 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#15 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#16 _M_invoke<0> (this=0x60b00005c1a0) at /usr/local/include/c++/7.3.0/thread:234
#17 operator() (this=0x60b00005c1a0) at /usr/local/include/c++/7.3.0/thread:243
#18 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005c190) at /usr/local/include/c++/7.3.0/thread:186
#19 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005c190) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#20 0x00007f34b27efea5 in start_thread (arg=0x7f3498aac700) at pthread_create.c:307
#21 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 38 (LWP 107927):
#0  0x00007f34c1738d5e in ?? () from /opt/couchbase/bin/../lib/libasan.so.4
#1  0x00007f34c17eafe0 in operator new(unsigned long) () from /opt/couchbase/bin/../lib/libasan.so.4
#2  0x00007f34bc5e1e3a in allocate (__n=<optimized out>, this=0x7f34992bb6c8) at /usr/local/include/c++/7.3.0/ext/new_allocator.h:111
#3  allocate (__n=<optimized out>, __a=...) at /usr/local/include/c++/7.3.0/bits/alloc_traits.h:436
#4  _M_allocate (__n=<optimized out>, this=0x7f34992bb6c8) at /usr/local/include/c++/7.3.0/bits/stl_vector.h:172
#5  std::vector<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >::_M_realloc_insert<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > const&> (this=this@entry=0x7f34992bb6c8, __position=..., __args#0=...) at /usr/local/include/c++/7.3.0/bits/vector.tcc:406
#6  0x00007f34bc5d5546 in push_back (__x=..., this=0x7f34992bb6c8) at /usr/local/include/c++/7.3.0/bits/stl_vector.h:948
#7  CheckpointManager::getItemsForCursor (this=this@entry=0x613000b57440, cursorPtr=<optimized out>, items=..., approxLimit=approxLimit@entry=18446744073709551615)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/checkpoint_manager.cc:1060
#8  0x00007f34bc5d8c08 in CheckpointManager::getNextItemsForCursor (this=this@entry=0x613000b57440, cursor=<optimized out>, items=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/checkpoint_manager.cc:992
#9  0x00007f34bc655bab in ActiveStream::getOutstandingItems (this=0x61800054a890, vb=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/active_stream.cc:1054
#10 0x00007f34bc67f962 in ActiveStream::nextCheckpointItemTask (this=0x61800054a890, streamMutex=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/active_stream.cc:1034
#11 0x00007f34bc68032c in ActiveStream::nextCheckpointItemTask (this=this@entry=0x61800054a890) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/active_stream.cc:1020
#12 0x00007f34bc6c8dc2 in ActiveStreamCheckpointProcessorTask::run (this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/active_stream_checkpoint_processor_task.cc:57
#13 0x00007f34bccd3577 in GlobalTask::execute (this=this@entry=0x613000ad7bd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:74
#14 0x00007f34bcca5fc6 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}::operator()() const (__closure=0x7f34992bc830)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:167
#15 0x00007f34bd5865c6 in operator() (this=0x7f34992bc830) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
#16 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x61e000158480, thread=..., 
    task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x4fc1cd4, DIE 0x50080f0>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:98
#17 0x00007f34bd56ea0a in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000158480, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
#18 0x00007f34bd5896e9 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
#19 __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
#20 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#21 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#22 folly::detail::function::FunctionTraits<void ()>::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
#23 0x00007f34bcc92c59 in operator() (this=0x6070008e93f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#24 operator() (__closure=0x6070008e93e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#25 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
#26 0x00007f34bcc8d704 in operator() (this=0x60b00005c040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#27 operator() (__closure=0x60b00005c040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#28 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#29 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#30 _M_invoke<0> (this=0x60b00005c040) at /usr/local/include/c++/7.3.0/thread:234
#31 operator() (this=0x60b00005c040) at /usr/local/include/c++/7.3.0/thread:243
#32 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005c030) at /usr/local/include/c++/7.3.0/thread:186
#33 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005c030) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#34 0x00007f34b27efea5 in start_thread (arg=0x7f34992d4700) at pthread_create.c:307
#35 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 37 (LWP 107925):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebe7c80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd575fed in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebe7c80, 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  0x00007f34bd576656 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=0x6160000b0840, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0800, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000157880, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e9230) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e9220) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005bee0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005bee0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005bee0) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005bee0) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005bed0) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005bed0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f349a304700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 36 (LWP 107924):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebeacc8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd576127 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebeacc8, 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  0x00007f34bd576656 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=0x6160000b0540, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0500, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156c80, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e9150) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e9140) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005be30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005be30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005be30) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005be30) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005be20) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005be20) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f349ab1d700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 35 (LWP 107923):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebea9b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd576127 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebea9b0, 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  0x00007f34bd576656 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=0x6160000b0540, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0500, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156c80, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e90e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e90d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005bd80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005bd80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005bd80) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005bd80) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005bd70) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005bd70) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f349b335700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 34 (LWP 107922):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebead58) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd576127 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebead58, 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  0x00007f34bd576656 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=0x6160000b0540, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0500, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156c80, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e9070) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e9060) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005bcd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005bcd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005bcd0) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005bcd0) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005bcc0) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005bcc0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f349bb4d700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 33 (LWP 107921):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebeac38) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd576127 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebeac38, 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  0x00007f34bd576656 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=0x6160000b0540, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0500, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156c80, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e9000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e8ff0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005bc20) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005bc20) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005bc20) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005bc20) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005bc10) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005bc10) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f349c364700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 32 (LWP 107920):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebe7d88) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd575fed in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebe7d88, 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  0x00007f34bd576656 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=0x6160000b0240, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0200, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156080, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e8dd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e8dc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005bb70) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005bb70) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005bb70) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005bb70) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005bb60) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005bb60) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f349cb7d700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 31 (LWP 107919):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebe60d8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd575fed in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebe60d8, 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  0x00007f34bd576656 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=0x6160000b0240, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0200, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156080, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e8d60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e8d50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005bac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005bac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005bac0) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005bac0) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005bab0) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005bab0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f349d395700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 30 (LWP 107918):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebe6018) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd575fed in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebe6018, 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  0x00007f34bd576656 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=0x6160000b0240, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0200, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156080, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e8cf0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e8ce0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005ba10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005ba10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005ba10) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005ba10) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005ba00) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005ba00) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f349dbad700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 29 (LWP 107917):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebe66a8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd575fed in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebe66a8, 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  0x00007f34bd576656 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=0x6160000b0240, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0200, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156080, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e8c80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e8c70) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005b960) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005b960) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005b960) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005b960) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005b950) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005b950) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f349e3c5700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 28 (LWP 107916):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebe9558) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd575fed in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebe9558, 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  0x00007f34bd576656 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=0x6160000b0240, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0200, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156080, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e8c10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e8c00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005b8b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005b8b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005b8b0) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005b8b0) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005b8a0) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005b8a0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f349ebdd700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 27 (LWP 107915):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebe61e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd575fed in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebe61e0, 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  0x00007f34bd576656 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=0x6160000b0240, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0200, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156080, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e8ba0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e8b90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005b800) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005b800) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005b800) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005b800) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005b7f0) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005b7f0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f34a0c1a700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 26 (LWP 107914):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebe78a8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd575fed in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebe78a8, 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  0x00007f34bd576656 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=0x6160000b0240, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0200, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156080, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e8b30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e8b20) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005b750) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005b750) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005b750) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005b750) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005b740) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005b740) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f34a1432700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 25 (LWP 107913):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f34bd56944d 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  0x00007f34bc964a07 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=0x7f349ebe6660) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/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/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/detail/Futex-inl.h:123
#5  0x00007f34bd575fed in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f349ebe6660, 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  0x00007f34bd576656 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=0x6160000b0240, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#7  0x00007f34bd579db0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x6160000b0200, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#8  0x00007f34bd56e997 in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000156080, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#9  0x00007f34bd5896e9 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 0x00007f34bcc92c59 in operator() (this=0x6070008e8ac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#15 operator() (__closure=0x6070008e8ab0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#16 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
#17 0x00007f34bcc8d704 in operator() (this=0x60b00005b6a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#18 operator() (__closure=0x60b00005b6a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#19 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#20 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#21 _M_invoke<0> (this=0x60b00005b6a0) at /usr/local/include/c++/7.3.0/thread:234
#22 operator() (this=0x60b00005b6a0) at /usr/local/include/c++/7.3.0/thread:243
#23 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005b690) at /usr/local/include/c++/7.3.0/thread:186
#24 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005b690) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#25 0x00007f34b27efea5 in start_thread (arg=0x7f34a1c49700) at pthread_create.c:307
#26 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 24 (LWP 107454):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f34b3cef1bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x614000000d98) 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=0x614000000d98, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x0000000000843685 in Executor::run (this=0x614000000c40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
#4  0x00007f34b5a4b26d in Couchbase::Thread::thread_entry (this=0x614000000c40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#5  0x00007f34b5a06ae9 in run (this=0x60400006efd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#6  platform_thread_wrap (arg=0x60400006efd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#7  0x00007f34b27efea5 in start_thread (arg=0x7f34a42a8700) at pthread_create.c:307
#8  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 23 (LWP 107453):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f34b3cef1bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x614000000b98) 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=0x614000000b98, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x0000000000843685 in Executor::run (this=0x614000000a40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
#4  0x00007f34b5a4b26d in Couchbase::Thread::thread_entry (this=0x614000000a40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#5  0x00007f34b5a06ae9 in run (this=0x60400006ef90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#6  platform_thread_wrap (arg=0x60400006ef90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#7  0x00007f34b27efea5 in start_thread (arg=0x7f34a4ac0700) at pthread_create.c:307
#8  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (LWP 107452):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f34b3cef1bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x614000000998) 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=0x614000000998, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x0000000000843685 in Executor::run (this=0x614000000840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
#4  0x00007f34b5a4b26d in Couchbase::Thread::thread_entry (this=0x614000000840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#5  0x00007f34b5a06ae9 in run (this=0x60400006ef50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#6  platform_thread_wrap (arg=0x60400006ef50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#7  0x00007f34b27efea5 in start_thread (arg=0x7f34a52d8700) at pthread_create.c:307
#8  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (LWP 107451):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f34b3cef1bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x614000000798) 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=0x614000000798, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x0000000000843685 in Executor::run (this=0x614000000640) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
#4  0x00007f34b5a4b26d in Couchbase::Thread::thread_entry (this=0x614000000640) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#5  0x00007f34b5a06ae9 in run (this=0x60400006ef10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#6  platform_thread_wrap (arg=0x60400006ef10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#7  0x00007f34b27efea5 in start_thread (arg=0x7f34a5af0700) at pthread_create.c:307
#8  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (LWP 107450):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f34b3cef1bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x614000000598) 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=0x614000000598, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x0000000000843685 in Executor::run (this=0x614000000440) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
#4  0x00007f34b5a4b26d in Couchbase::Thread::thread_entry (this=0x614000000440) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#5  0x00007f34b5a06ae9 in run (this=0x60400006eed0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#6  platform_thread_wrap (arg=0x60400006eed0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#7  0x00007f34b27efea5 in start_thread (arg=0x7f34a6308700) at pthread_create.c:307
#8  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (LWP 107449):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f34b3cef1bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x614000000398) 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=0x614000000398, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x0000000000843685 in Executor::run (this=0x614000000240) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
#4  0x00007f34b5a4b26d in Couchbase::Thread::thread_entry (this=0x614000000240) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#5  0x00007f34b5a06ae9 in run (this=0x60400006ee90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#6  platform_thread_wrap (arg=0x60400006ee90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#7  0x00007f34b27efea5 in start_thread (arg=0x7f34a6b20700) at pthread_create.c:307
#8  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (LWP 107448):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f34b3cef1bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x614000000198) 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=0x614000000198, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x0000000000843685 in Executor::run (this=0x614000000040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
#4  0x00007f34b5a4b26d in Couchbase::Thread::thread_entry (this=0x614000000040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#5  0x00007f34b5a06ae9 in run (this=0x60400006ee50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#6  platform_thread_wrap (arg=0x60400006ee50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#7  0x00007f34b27efea5 in start_thread (arg=0x7f34a7338700) at pthread_create.c:307
#8  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (LWP 107447):
#0  0x00007f34c1738d5e in ?? () from /opt/couchbase/bin/../lib/libasan.so.4
#1  0x00007f34c17eafe0 in operator new(unsigned long) () from /opt/couchbase/bin/../lib/libasan.so.4
#2  0x00000000008ac273 in _M_init_functor (__f=<optimized out>, __functor=...) at /usr/local/include/c++/7.3.0/bits/std_function.h:268
#3  _M_init_functor (__f=<optimized out>, __functor=...) at /usr/local/include/c++/7.3.0/bits/std_function.h:239
#4  std::function<bool(cb::mcbp::request::FrameInfoId, cb::sized_buffer<unsigned char const>)>::function<McbpValidator::verify_header(Cookie&, uint8_t, McbpValidator::ExpectedKeyLen, McbpValidator::ExpectedValueLen, McbpValidator::ExpectedCas, uint8_t)::<lambda(cb::mcbp::request::FrameInfoId, cb::const_byte_buffer)> >(McbpValidator::<lambda(cb::mcbp::request::FrameInfoId, cb::const_byte_buffer)>) (this=0x7f34a7b37540, __f=...)
    at /usr/local/include/c++/7.3.0/bits/std_function.h:693
#5  0x00000000008b6b21 in McbpValidator::verify_header (cookie=..., expected_extlen=<optimized out>, expected_keylen=<optimized out>, expected_valuelen=<optimized out>, expected_cas=<optimized out>, 
    expected_datatype_mask=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_validators.cc:250
#6  0x00000000008c5c55 in dcp_system_event_validator (cookie=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_validators.cc:742
#7  0x0000000000818257 in Cookie::validate (this=this@entry=0x6160002da580) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/cookie.cc:460
#8  0x000000000075ae04 in Connection::executeCommandPipeline (this=this@entry=0x6170002b1880) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:554
#9  0x0000000000776975 in Connection::executeCommandsCallback (this=this@entry=0x6170002b1880) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:633
#10 0x000000000077bc58 in Connection::rw_callback (ctx=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:779
#11 0x00007f34b4d95d8e in bufferevent_run_deferred_callbacks_unlocked (cb=<optimized out>, arg=0x61600124d780)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/bufferevent.c:208
#12 0x00007f34b4d9ed01 in event_process_active_single_queue (base=base@entry=0x617000003500, max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0, activeq=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1726
#13 0x00007f34b4d9f54f in event_process_active (base=0x617000003500) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1789
#14 event_base_loop (base=0x617000003500, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:2012
#15 0x00000000006ad1f8 in worker_libevent (arg=0x6290000091f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
#16 0x00007f34b5a06ae9 in run (this=0x60400006ee10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#17 platform_thread_wrap (arg=0x60400006ee10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#18 0x00007f34b27efea5 in start_thread (arg=0x7f34a7b51700) at pthread_create.c:307
#19 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (LWP 107446):
#0  __memset_sse2 () at ../sysdeps/x86_64/memset.S:126
#1  0x00007f34c17391f2 in ?? () from /opt/couchbase/bin/../lib/libasan.so.4
#2  0x00007f34c17eafe0 in operator new(unsigned long) () from /opt/couchbase/bin/../lib/libasan.so.4
#3  0x00007f34bc748e76 in make_unique<SystemEventConsumerMessage, unsigned int&, mcbp::systemevent::id&, unsigned long&, Vbid&, mcbp::systemevent::version&, cb::sized_buffer<unsigned char const>&, cb::sized_buffer<unsigned char const>&> () at /usr/local/include/c++/7.3.0/bits/unique_ptr.h:825
#4  DcpConsumer::systemEvent (this=0x6190028870c0, opaque=<optimized out>, vbucket=..., event=<optimized out>, bySeqno=<optimized out>, version=<optimized out>, key=..., eventData=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/consumer.cc:1746
#5  0x00007f34bca6b0e4 in EventuallyPersistentEngine::system_event (this=0x61d00067fc80, cookie=..., opaque=<optimized out>, vbucket=..., event=<optimized out>, bySeqno=593, version=<optimized out>, key=..., eventData=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:1652
#6  0x00000000005cc63b in dcpSystemEvent (cookie=..., opaque=<optimized out>, vbucket=..., eventId=<optimized out>, bySeqno=<optimized out>, version=<optimized out>, key=..., eventData=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/engine_wrapper.cc:749
#7  0x0000000000934a4f in dcp_system_event_executor (cookie=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/dcp_system_event_executor.cc:34
#8  0x000000000089a43d in operator() (__args#0=..., this=<optimized out>) at /usr/local/include/c++/7.3.0/bits/std_function.h:706
#9  execute_client_request_packet (cookie=..., request=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_executors.cc:891
#10 0x000000000089b31e in execute_request_packet (cookie=..., request=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_executors.cc:899
#11 0x000000000081f385 in Cookie::execute (this=this@entry=0x6160011aab80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/cookie.cc:158
#12 0x000000000075af10 in Connection::executeCommandPipeline (this=this@entry=0x6170003f5f00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:560
#13 0x0000000000776975 in Connection::executeCommandsCallback (this=this@entry=0x6170003f5f00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:633
#14 0x000000000077bc58 in Connection::rw_callback (ctx=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:779
#15 0x00007f34b4d95d8e in bufferevent_run_deferred_callbacks_unlocked (cb=<optimized out>, arg=0x6160012e9a80)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/bufferevent.c:208
#16 0x00007f34b4d9ed01 in event_process_active_single_queue (base=base@entry=0x617000003180, max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0, activeq=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1726
#17 0x00007f34b4d9f54f in event_process_active (base=0x617000003180) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1789
#18 event_base_loop (base=0x617000003180, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:2012
#19 0x00000000006ad1f8 in worker_libevent (arg=0x629000008748) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
#20 0x00007f34b5a06ae9 in run (this=0x60400006edd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#21 platform_thread_wrap (arg=0x60400006edd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#22 0x00007f34b27efea5 in start_thread (arg=0x7f34a8368700) at pthread_create.c:307
#23 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (LWP 107445):
#0  0x00007f34b2518eb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f34b4da83c5 in epoll_dispatch (base=0x617000002e00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f34b4d9f376 in event_base_loop (base=0x617000002e00, 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  0x00000000006ad1f8 in worker_libevent (arg=0x629000007ca0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
#4  0x00007f34b5a06ae9 in run (this=0x60400006ed90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#5  platform_thread_wrap (arg=0x60400006ed90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#6  0x00007f34b27efea5 in start_thread (arg=0x7f34a8b81700) at pthread_create.c:307
#7  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (LWP 107444):
#0  compare_exchange_strong (__m2=<optimized out>, __m1=std::memory_order_seq_cst, __i2=2048, __i1=@0x7f34a937cb70: 0, this=0x61d0001e4bc8) at /usr/local/include/c++/7.3.0/bits/atomic_base.h:477
#1  compare_exchange_strong (__m=std::memory_order_seq_cst, __i2=2048, __i1=@0x7f34a937cb70: 0, this=0x61d0001e4bc8) at /usr/local/include/c++/7.3.0/bits/atomic_base.h:500
#2  folly::SharedMutexImpl<false, void, std::atomic, false, false>::lockSharedImpl<folly::SharedMutexImpl<false, void, std::atomic, false, false>::WaitForever> (this=0x61d0001e4bc8, ctx=..., token=0x0)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/SharedMutex.h:1291
#3  0x00007f34bd514d0b in lock_shared (this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/SharedMutex.h:413
#4  lock_shared (mutex=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/LockTraits.h:157
#5  lock<folly::SharedMutexImpl<false> > (mutex=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/LockTraits.h:499
#6  LockedPtrBase (parent=<optimized out>, this=0x7f34a937cca0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Synchronized.h:1097
#7  LockedPtr (parent=<optimized out>, this=0x7f34a937cca0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Synchronized.h:1402
#8  rlock (this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Synchronized.h:141
#9  HdrHistogram::addValueAndCount (this=<optimized out>, v=<optimized out>, count=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/hdrhistogram.cc:120
#10 0x00007f34bcb4513b in ScopeTimer2<MicrosecondStopwatch<Hdr1sfMicroSecHistogram>, TracerStopwatch>::~ScopeTimer2 (this=0x7f34a937e970, __in_chrg=<optimized out>)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/hdrhistogram.h:410
#11 0x00007f34bcb32101 in EventuallyPersistentEngine::getStats(void const*, std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, std::function<void (std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, gsl::not_null<void const*>)> const&) (this=this@entry=0x61d0001e4680, cookie=<optimized out>, key=..., value=..., add_stat=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:4776
#12 0x00007f34bcb36b35 in EventuallyPersistentEngine::get_stats(gsl::not_null<void const*>, std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, std::function<void (std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, gsl::not_null<void const*>)> const&) (this=this@entry=0x61d0001e4680, cookie=..., key=..., value=..., add_stat=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:371
#13 0x00000000005c2419 in bucket_get_stats(Cookie&, std::basic_string_view<char, std::char_traits<char> >, cb::sized_buffer<unsigned char const>, std::function<void (std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, gsl::not_null<void const*>)> const&) (cookie=..., key=..., value=..., add_stat=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/engine_wrapper.cc:376
#14 0x0000000000999077 in stat_bucket_stats (arg=..., cookie=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/stats_context.cc:507
#15 0x000000000099c134 in StatsCommandContext::doStats (this=this@entry=0x60b000698bb0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/stats_context.cc:728
#16 0x00000000009a4918 in StatsCommandContext::step (this=0x60b000698bb0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/stats_context.cc:654
#17 0x00000000009b64e1 in SteppableCommandContext::drive (this=this@entry=0x60b000698bb0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/steppable_command_context.cc:42
#18 0x00000000008869f8 in stat_executor (cookie=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_executors.cc:191
#19 0x000000000089a43d in operator() (__args#0=..., this=<optimized out>) at /usr/local/include/c++/7.3.0/bits/std_function.h:706
#20 execute_client_request_packet (cookie=..., request=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_executors.cc:891
#21 0x000000000089b31e in execute_request_packet (cookie=..., request=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_executors.cc:899
#22 0x000000000081f385 in Cookie::execute (this=this@entry=0x616001b53480) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/cookie.cc:158
#23 0x000000000075af10 in Connection::executeCommandPipeline (this=this@entry=0x6170000fd200) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:560
#24 0x0000000000776975 in Connection::executeCommandsCallback (this=this@entry=0x6170000fd200) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:633
#25 0x000000000077bc58 in Connection::rw_callback (ctx=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:779
#26 0x00007f34b4d95d8e in bufferevent_run_deferred_callbacks_unlocked (cb=<optimized out>, arg=0x616000c48080)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/bufferevent.c:208
#27 0x00007f34b4d9ed01 in event_process_active_single_queue (base=base@entry=0x617000002a80, max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0, activeq=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1726
#28 0x00007f34b4d9f54f in event_process_active (base=0x617000002a80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1789
#29 event_base_loop (base=0x617000002a80, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:2012
#30 0x00000000006ad1f8 in worker_libevent (arg=0x6290000071f8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
#31 0x00007f34b5a06ae9 in run (this=0x60400006ed50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#32 platform_thread_wrap (arg=0x60400006ed50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#33 0x00007f34b27efea5 in start_thread (arg=0x7f34a9399700) at pthread_create.c:307
#34 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (LWP 107443):
#0  0x00007f34b2518eb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f34b4da83c5 in epoll_dispatch (base=0x617000002700, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f34b4d9f376 in event_base_loop (base=0x617000002700, 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  0x00000000006ad1f8 in worker_libevent (arg=0x629000006750) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
#4  0x00007f34b5a06ae9 in run (this=0x60400006ed10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#5  platform_thread_wrap (arg=0x60400006ed10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#6  0x00007f34b27efea5 in start_thread (arg=0x7f34a9bb0700) at pthread_create.c:307
#7  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (LWP 107442):
#0  0x00007f34c17eaf92 in operator new(unsigned long) () from /opt/couchbase/bin/../lib/libasan.so.4
#1  0x00000000005084b2 in std::vector<char, std::allocator<char> >::emplace_back<char>(char&&) (this=0x7f34aa3ae418) at /usr/local/include/c++/7.3.0/ext/new_allocator.h:111
#2  0x00000000005088ba in push_back (__x=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached.debug, CU 0x2489de, DIE 0x3ee4bb>, this=0x7f34aa3ae418) at /usr/local/include/c++/7.3.0/bits/stl_vector.h:954
#3  nlohmann::detail::lexer<nlohmann::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohmann::adl_serializer> >::get (this=0x7f34aa3ae3e8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/json.exploded/include/nlohmann/detail/input/lexer.hpp:1259
#4  0x000000000050c4e9 in nlohmann::detail::lexer<nlohmann::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohmann::adl_serializer> >::scan (this=0x7f34aa3ae3e8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/json.exploded/include/nlohmann/detail/input/lexer.hpp:1392
#5  0x000000000055ee04 in nlohmann::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohmann::adl_serializer>::parse(nlohmann::detail::input_adapter&&, std::function<bool (int, nlohmann::detail::parser<nlohmann::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohmann::adl_serializer> >::parse_event_t, nlohmann::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohmann::adl_serializer>&)>, bool) (i=<optimized out>, cb=..., allow_exceptions=<optimized out>)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/json.exploded/include/nlohmann/detail/input/parser.hpp:461
#6  0x00007f34bcb263af in EventuallyPersistentEngine::processUnknownCommandInner(void const*, cb::mcbp::Request const&, std::function<bool (std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, unsigned char, cb::mcbp::Status, unsigned long, void const*)> const&) (this=0x61d00067fc80, cookie=cookie@entry=0x6160017e5c80, request=..., 
    response=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:1013
#7  0x00007f34bcb27a8c in EventuallyPersistentEngine::unknown_command(void const*, cb::mcbp::Request const&, std::function<bool (std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, unsigned char, cb::mcbp::Status, unsigned long, void const*)> const&) (this=this@entry=0x61d00067fc80, cookie=cookie@entry=0x6160017e5c80, request=..., 
    response=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:1313
#8  0x00000000005bb841 in bucket_unknown_command(Cookie&, std::function<bool (std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, unsigned char, cb::mcbp::Status, unsigned long, void const*)> const&) (cookie=..., response=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/engine_wrapper.cc:34
#9  0x0000000000876c55 in process_bin_unknown_packet (cookie=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_executors.cc:132
#10 0x000000000089a43d in operator() (__args#0=..., this=<optimized out>) at /usr/local/include/c++/7.3.0/bits/std_function.h:706
#11 execute_client_request_packet (cookie=..., request=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_executors.cc:891
#12 0x000000000089b31e in execute_request_packet (cookie=..., request=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_executors.cc:899
#13 0x000000000081f385 in Cookie::execute (this=this@entry=0x6160017e5c80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/cookie.cc:158
#14 0x000000000075af10 in Connection::executeCommandPipeline (this=this@entry=0x617000441d80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:560
#15 0x0000000000776975 in Connection::executeCommandsCallback (this=this@entry=0x617000441d80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:633
#16 0x000000000077bc58 in Connection::rw_callback (ctx=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:779
#17 0x00007f34b4d95d8e in bufferevent_run_deferred_callbacks_unlocked (cb=<optimized out>, arg=0x616001b27f80)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/bufferevent.c:208
#18 0x00007f34b4d9ed01 in event_process_active_single_queue (base=base@entry=0x617000002380, max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0, activeq=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1726
#19 0x00007f34b4d9f54f in event_process_active (base=0x617000002380) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1789
#20 event_base_loop (base=0x617000002380, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:2012
#21 0x00000000006ad1f8 in worker_libevent (arg=0x629000005ca8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
#22 0x00007f34b5a06ae9 in run (this=0x60400006ecd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#23 platform_thread_wrap (arg=0x60400006ecd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#24 0x00007f34b27efea5 in start_thread (arg=0x7f34aa3c9700) at pthread_create.c:307
#25 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (LWP 107441):
#0  __memset_sse2 () at ../sysdeps/x86_64/memset.S:115
#1  0x00007f34c17391f2 in ?? () from /opt/couchbase/bin/../lib/libasan.so.4
#2  0x00007f34c17eafe0 in operator new(unsigned long) () from /opt/couchbase/bin/../lib/libasan.so.4
#3  0x00000000008ac273 in _M_init_functor (__f=<optimized out>, __functor=...) at /usr/local/include/c++/7.3.0/bits/std_function.h:268
#4  _M_init_functor (__f=<optimized out>, __functor=...) at /usr/local/include/c++/7.3.0/bits/std_function.h:239
#5  std::function<bool(cb::mcbp::request::FrameInfoId, cb::sized_buffer<unsigned char const>)>::function<McbpValidator::verify_header(Cookie&, uint8_t, McbpValidator::ExpectedKeyLen, McbpValidator::ExpectedValueLen, McbpValidator::ExpectedCas, uint8_t)::<lambda(cb::mcbp::request::FrameInfoId, cb::const_byte_buffer)> >(McbpValidator::<lambda(cb::mcbp::request::FrameInfoId, cb::const_byte_buffer)>) (this=0x7f34aabc6540, __f=...)
    at /usr/local/include/c++/7.3.0/bits/std_function.h:693
#6  0x00000000008b6b21 in McbpValidator::verify_header (cookie=..., expected_extlen=<optimized out>, expected_keylen=<optimized out>, expected_valuelen=<optimized out>, expected_cas=<optimized out>, 
    expected_datatype_mask=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_validators.cc:250
#7  0x00000000008c5c55 in dcp_system_event_validator (cookie=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mcbp_validators.cc:742
#8  0x0000000000818257 in Cookie::validate (this=this@entry=0x616000243680) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/cookie.cc:460
#9  0x000000000075ae04 in Connection::executeCommandPipeline (this=this@entry=0x617000081180) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:554
#10 0x0000000000776975 in Connection::executeCommandsCallback (this=this@entry=0x617000081180) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:633
#11 0x000000000077bc58 in Connection::rw_callback (ctx=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:779
#12 0x00007f34b4d95d8e in bufferevent_run_deferred_callbacks_unlocked (cb=<optimized out>, arg=0x616000a61480)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/bufferevent.c:208
#13 0x00007f34b4d9ed01 in event_process_active_single_queue (base=base@entry=0x617000002000, max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0, activeq=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1726
#14 0x00007f34b4d9f54f in event_process_active (base=0x617000002000) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1789
#15 event_base_loop (base=0x617000002000, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:2012
#16 0x00000000006ad1f8 in worker_libevent (arg=0x629000005200) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
#17 0x00007f34b5a06ae9 in run (this=0x60400006ec90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#18 platform_thread_wrap (arg=0x60400006ec90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#19 0x00007f34b27efea5 in start_thread (arg=0x7f34aabe0700) at pthread_create.c:307
#20 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (LWP 107440):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x0000000000a770f2 in __gthread_cond_timedwait (__abs_timeout=0x7f34ab3e0930, __mutex=<optimized out>, __cond=0x61a000001078) 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=0x61a000001078) 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=0x61a000001078) at /usr/local/include/c++/7.3.0/condition_variable:106
#4  wait_for<long, std::ratio<1> > (__rtime=..., __lock=..., this=0x61a000001078) at /usr/local/include/c++/7.3.0/condition_variable:138
#5  AuditImpl::consume_events (this=0x61a000000c80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/auditd/src/audit.cc:414
#6  0x00007f34b5a06ae9 in run (this=0x604000069390) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#7  platform_thread_wrap (arg=0x604000069390) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#8  0x00007f34b27efea5 in start_thread (arg=0x7f34ab3f8700) at pthread_create.c:307
#9  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (LWP 107439):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00000000007c66ef in __gthread_cond_timedwait (__abs_timeout=0x7f34abc28880, __mutex=<optimized out>, __cond=0x616000008e78) 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=0x616000008e78) 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=0x616000008e78) at /usr/local/include/c++/7.3.0/condition_variable:106
#4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __lock=..., this=0x616000008e78) at /usr/local/include/c++/7.3.0/condition_variable:138
#5  ExternalAuthManagerThread::run (this=0x616000008d80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/external_auth_manager_thread.cc:229
#6  0x00007f34b5a4b26d in Couchbase::Thread::thread_entry (this=0x616000008d80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
#7  0x00007f34b5a06ae9 in run (this=0x60400000c290) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#8  platform_thread_wrap (arg=0x60400000c290) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#9  0x00007f34b27efea5 in start_thread (arg=0x7f34abc40700) at pthread_create.c:307
#10 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (LWP 107438):
#0  0x00007f34b250dc3d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f34c174a691 in poll () from /opt/couchbase/bin/../lib/libasan.so.4
#2  0x00007f34b9963788 in master_thread_run (ctx=0x61900000dc90)
    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
#3  master_thread (thread_func_param=0x61900000dc90)
    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
#4  0x00007f34b27efea5 in start_thread (arg=0x7f34ac457700) at pthread_create.c:307
#5  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (LWP 107437):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f34b996c7db in consume_socket (thread_index=<optimized out>, sp=0x6220000013e8, ctx=0x61900000dc90)
    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=0x622000000af8) 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=0x622000000af8)
    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  0x00007f34b27efea5 in start_thread (arg=0x7f34acc6e700) at pthread_create.c:307
#5  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (LWP 107436):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f34b996c7db in consume_socket (thread_index=<optimized out>, sp=0x622000000a00, ctx=0x61900000dc90)
    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=0x622000000110) 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=0x622000000110)
    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  0x00007f34b27efea5 in start_thread (arg=0x7f34ad485700) at pthread_create.c:307
#5  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (LWP 107435):
#0  0x00007f34b250dc3d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f34c174a691 in poll () from /opt/couchbase/bin/../lib/libasan.so.4
#2  0x00000000006a93e2 in get_command (buffsize=80, buffer=0x7f34adc859b0 "0X\310\255\064\177") at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:49
#3  check_stdin_thread (arg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:90
#4  0x00007f34b5a06ae9 in run (this=0x6040000081d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
#5  platform_thread_wrap (arg=0x6040000081d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
#6  0x00007f34b27efea5 in start_thread (arg=0x7f34adc9d700) at pthread_create.c:307
#7  0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (LWP 107434):
#0  0x00007f34b6a618ac in _M_add_ref_lock_nothrow (this=<optimized out>) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:294
#1  __shared_count (__r=..., this=0x7f34ae49bed8) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:865
#2  __shared_ptr (__r=..., this=0x7f34ae49bed0) at /usr/local/include/c++/7.3.0/bits/shared_ptr_base.h:1345
#3  shared_ptr (__r=..., this=0x7f34ae49bed0) at /usr/local/include/c++/7.3.0/bits/shared_ptr.h:353
#4  lock (this=<optimized out>) at /usr/local/include/c++/7.3.0/bits/shared_ptr.h:584
#5  spdlog::details::registry::flush_all (this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/registry.h:169
#6  0x00007f34b6a485a4 in __invoke_impl<void, void (spdlog::details::registry::*&)(), spdlog::details::registry*&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#7  __invoke<void (spdlog::details::registry::*&)(), spdlog::details::registry*&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#8  __call<void, 0> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#9  operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#10 std::_Function_handler<void (), std::_Bind<void (spdlog::details::registry::*(spdlog::details::registry*))()> >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/local/include/c++/7.3.0/bits/std_function.h:316
#11 0x00007f34b6a5d88b in operator() (this=0x60600000d9b0) at /usr/local/include/c++/7.3.0/bits/std_function.h:706
#12 operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/periodic_worker.h:42
#13 __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
#14 __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
#15 _M_invoke<0> (this=<optimized out>) at /usr/local/include/c++/7.3.0/thread:234
#16 operator() (this=<optimized out>) at /usr/local/include/c++/7.3.0/thread:243
#17 _ZNSt6thread11_State_implINS_8_InvokerISt5tupleIJZN6spdlog7details15periodic_workerC4ERKSt8functionIFvvEENSt6chrono8durationIlSt5ratioILl1ELl1EEEEEUlvE_EEEEE6_M_runEv (this=<optimized out>)
    at /usr/local/include/c++/7.3.0/thread:186
#18 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60600000d9a0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#19 0x00007f34b27efea5 in start_thread (arg=0x7f34ae4b4700) at pthread_create.c:307
#20 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (LWP 107433):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f34b6a8745b in __gthread_cond_timedwait (__abs_timeout=0x7f34aecc3680, __mutex=<optimized out>, __cond=0x611000000e38) 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=0x611000000e38) 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=0x611000000e38) 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=<optimized out>) 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=..., __lock=..., 
    this=0x611000000e38) at /usr/local/include/c++/7.3.0/condition_variable:145
#6  dequeue_for (wait_duration=..., popped_item=..., this=0x611000000e10) 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=0x611000000e10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/thread_pool.h:193
#8  0x00007f34b6a89cbd in spdlog::details::thread_pool::worker_loop_ (this=0x611000000e10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/thread_pool.h:184
#9  0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60300003c130) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#10 0x00007f34b27efea5 in start_thread (arg=0x7f34aecdb700) at pthread_create.c:307
#11 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (LWP 107393):
#0  0x00007f34b27f1d5d in __GI___pthread_mutex_lock (mutex=0x3150e38 <all_buckets+70200>) at ../nptl/pthread_mutex_lock.c:78
#1  0x0000000000490dd7 in bucketsForEach(std::function<bool (Bucket&, void*)>, void*) (fn=..., arg=<optimized out>) at /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:748
#2  0x0000000000857eac in mc_time_clock_tick () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mc_time.cc:259
#3  0x00000000008588e7 in mc_time_clock_event_handler (fd=<optimized out>, which=<optimized out>, arg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mc_time.cc:198
#4  0x00007f34b4d9ef58 in event_process_active_single_queue (base=base@entry=0x617000001c80, max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0, activeq=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1697
#5  0x00007f34b4d9f54f in event_process_active (base=0x617000001c80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1789
#6  event_base_loop (base=0x617000001c80, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:2012
#7  0x00000000004bf88f in memcached_main (argc=<optimized out>, argv=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/memcached.cc:1531
#8  0x00007f34b243c555 in __libc_start_main (main=0x47a180 <main(int, char**)>, argc=3, argv=0x7ffe5b1bc818, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe5b1bc808)
    at ../csu/libc-start.c:266
#9  0x000000000048bb05 in _start ()

Thread 1 (LWP 107926):
#0  0x00007f34b2450387 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
#1  0x00007f34b2451a78 in __GI_abort () at abort.c:90
#2  0x00007f34b3ccc195 in __gnu_cxx::__verbose_terminate_handler () at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/vterminate.cc:95
#3  0x0000000000c6104e in backtrace_terminate_handler () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:86
#4  0x00007f34b3cc9f86 in __cxxabiv1::__terminate (handler=<optimized out>) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_terminate.cc:47
#5  0x00007f34b3cc9fd1 in std::terminate () at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_terminate.cc:57
#6  0x00007f34bccd360f in GlobalTask::execute (this=this@entry=0x61200001a150) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:77
#7  0x00007f34bcca5fc6 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}::operator()() const (__closure=0x7f3499ad4830)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:167
#8  0x00007f34bd5865c6 in operator() (this=0x7f3499ad4830) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
#9  folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x61e000158480, thread=..., 
    task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x4fc1cd4, DIE 0x50080f0>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:98
#10 0x00007f34bd56ea0a in folly::CPUThreadPoolExecutor::threadRun (this=0x61e000158480, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
#11 0x00007f34bd5896e9 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
#12 __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
#13 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#14 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#15 folly::detail::function::FunctionTraits<void ()>::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
#16 0x00007f34bcc92c59 in operator() (this=0x6070008e9380) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#17 operator() (__closure=0x6070008e9370) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
#18 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
#19 0x00007f34bcc8d704 in operator() (this=0x60b00005bf90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
#20 operator() (__closure=0x60b00005bf90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/NamedThreadFactory.h:40
#21 __invoke_impl<void, folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#22 __invoke<folly::NamedThreadFactory::newThread(folly::Func&&)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#23 _M_invoke<0> (this=0x60b00005bf90) at /usr/local/include/c++/7.3.0/thread:234
#24 operator() (this=0x60b00005bf90) at /usr/local/include/c++/7.3.0/thread:243
#25 std::thread::_State_impl<std::thread::_Invoker<std::tuple<folly::NamedThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}> > >::_M_run() (this=0x60b00005bf80) at /usr/local/include/c++/7.3.0/thread:186
#26 0x00007f34b3cf4dcf in std::execute_native_thread_routine (__p=0x60b00005bf80) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
#27 0x00007f34b27efea5 in start_thread (arg=0x7f3499aec700) at pthread_create.c:307
#28 0x00007f34b25188dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No core file now.