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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There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
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This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
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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  0x00007f16fdca1387 in raise () from /lib64/libc.so.6

Thread 41 (LWP 128716):
#0  0x00007f16fdd69eb3 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f16ff8db3c5 in epoll_dispatch (base=0x7f16ac4e7000, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f16fd61fc40
        events = 0x7f16ac491f80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f16ff8d2376 in event_base_loop (base=0x7f16ac4e7000, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f16ffae5c20 <epollops>
        tv = {tv_sec = 0, tv_usec = 25000}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x00007f17023853c7 in folly::EventBase::loopBody (this=this@entry=0x7f16ac3f3780, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
            static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
            data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {
                  static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f166b9e6090, prev_ = 0x7f166b9e6090}, <No data fields>}}}}, <No data fields>}
        message = 0x7f17023e6de8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f16ac3f3780}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 2312666914576936}}
        idleStart = {__d = {__r = 2312729385504976}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x00007f1702385896 in folly::EventBase::loop (this=this@entry=0x7f16ac3f3780) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e6a5b "EventBase", e_ = 0x7f17023e6a64 ""}}}}
#5  0x00007f1702387256 in folly::EventBase::loopForever (this=0x7f16ac3f3780) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00007f1702374729 in folly::IOThreadPoolExecutor::threadRun (this=0x7f16fa331780, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/IOThreadPoolExecutor.cpp:195
        ioThread = {<std::__shared_ptr<folly::IOThreadPoolExecutor::IOThread, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::IOThreadPoolExecutor::IOThread, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, 
            _M_ptr = 0x7f16fa339df0, _M_refcount = {_M_pi = 0x7f16fa339de0}}, <No data fields>}
        idler = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::MemoryIdlerTimeout*, std::default_delete<folly::MemoryIdlerTimeout> >> = {<std::_Tuple_impl<1, std::default_delete<folly::MemoryIdlerTimeout> >> = {<std::_Head_base<1, std::default_delete<folly::MemoryIdlerTimeout>, true>> = {<std::default_delete<folly::MemoryIdlerTimeout>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::MemoryIdlerTimeout*, false>> = {
                  _M_head_impl = 0x7f16ac494140}, <No data fields>}, <No data fields>}}}
        guard = <optimized out>
#7  0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#8  __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#9  __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#10 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#11 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#12 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa312c70) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa312c70}, <No data fields>}, <No data fields>}}}
#13 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#14 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 40 (LWP 128680):
#0  Checkpoint::getMemoryOverhead (this=0x7f168c09d380) at /usr/local/include/c++/7.3.0/ext/atomicity.h:53
No locals.
#1  0x00007f1702113730 in CheckpointManager::getMemoryUsage (this=0x7f168c304280) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/checkpoint.h:601
        lh = {_M_device = @0x7f168c3042e8}
#2  0x00007f1702262dbc in VBucket::getChkMgrMemUsage (this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucket.cc:294
No locals.
#3  0x00007f170227f312 in VBucketMap::getVBucketsTotalCheckpointMemoryUsage (this=0x7f16f00a1018) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucketmap.cc:137
        b = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f168c2af600, _M_refcount = {
              _M_pi = 0x7f168c345920}}, <No data fields>}
        i = 851
        checkpointMemoryUsage = 9509424
#4  0x00007f17021205ff in ClosedUnrefCheckpointRemoverTask::isReductionInCheckpointMemoryNeeded (this=0x7f16f00b9650) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/checkpoint_remover.cc:91
        bucketQuota = 8755609600
        memUsed = 870644640
        vBucketChkptMemSize = <optimized out>
        chkptMemLimit = <optimized out>
        hitCheckpointMemoryThreshold = <optimized out>
        aboveLowWatermark = <optimized out>
        ckptMemExceedsCheckpointMemoryThreshold = <optimized out>
        memUsedExceedsCursorDroppingUpperMark = <optimized out>
#5  0x00007f1702121088 in ClosedUnrefCheckpointRemoverTask::run (this=0x7f16f00b9650) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/checkpoint_remover.cc:215
        phosphor_internal_category_enabled_207 = {_M_b = {_M_p = 0x0}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::atomic<phosphor::CategoryStatus> const*>::is_always_lock_free".>}
        phosphor_internal_category_enabled_temp_207 = <optimized out>
        phosphor_internal_tpi_207 = {category = 0x31c673 <Address 0x31c673 out of bounds>, name = 0x320658 <Address 0x320658 out of bounds>, type = phosphor::Complete, argument_names = {_M_elems = {0x32c121 <Address 0x32c121 out of bounds>, 
              0x32c121 <Address 0x32c121 out of bounds>}}, argument_types = {_M_elems = {phosphor::is_none, phosphor::is_none}}}
        phosphor_internal_guard_207 = {tpi = 0x7f17026940c0 <ClosedUnrefCheckpointRemoverTask::run()::phosphor_internal_tpi_207>, enabled = true, arg1 = {<No data fields>}, arg2 = {<No data fields>}, start = {__d = {__r = 2312729378388054}}}
        inverse = true
#6  0x00007f1702204243 in GlobalTask::execute (this=0x7f16f00b9650) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:74
        guard = {previous = 0x0}
#7  0x00007f17021fe2c2 in operator() (__closure=0x7f168cfe00c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:167
        executedAt = <optimized out>
        end = <optimized out>
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 2312729378293983}}
        runAgain = false
        proxy = @0x7f16fc493310: <error reading variable>
#8  folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:387
        fn = @0x7f168cfe00c0: {__proxy = @0x7f16fc493310}
#9  0x00007f170237cee6 in operator() (this=0x7f168cfe00c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f168cfe00c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f16fc493310, tiny = {
              __data = "\020\063I\374\026\177\000\000\000\000\000\000\000\000\000\000\060@I\374\026\177", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0x7f17021fe200 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&)>, 
          exec_ = 0x7f17021fbd50 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#10 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x7f16fa37cc00, thread=..., 
    task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x307ba3c, DIE 0x30c1e1d>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:98
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {
                _M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 2312729378189130}}
        stats = {expired = false, waitTime = {__r = 281379}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 2312729377907751}}, requestId = 0}
#11 0x00007f17023653da in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa37cc00, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#12 0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x00007f17021fc703 in operator() (this=0x7f16fa1fc990) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc990: <error reading variable>
#18 operator() (__closure=0x7f16fa1fc980) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc990)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc980)>
#19 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f16fa1fc980: <error reading variable>
#20 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa312c00) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa312c00}, <No data fields>}, <No data fields>}}}
#21 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#22 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 39 (LWP 128679):
#0  0x00007f16fdd63bf9 in syscall () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f170235fded 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
        op = <optimized out>
        ts = {tv_sec = 2312736, tv_nsec = 55531685}
        timeout = <optimized out>
        rv = <optimized out>
#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
No locals.
#3  0x00007f1702366ffa in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=<optimized out>, expected=<optimized out>, deadline=..., waitMask=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 2312736055531685}}
#5  0x00007f170236ca47 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f16ae7dbb70, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
        before = <optimized out>
#6  0x00007f170236cf76 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=0x7f16bc003940, 
    deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {
                  _M_head_impl = 0x7f16ae7dbb70}, <No data fields>}, <No data fields>}}}
#7  0x00007f17023706d0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f16bc003900, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#8  0x00007f1702365367 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa37cc00, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#9  0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#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
No locals.
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#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
        fn = <optimized out>
#14 0x00007f17021fc703 in operator() (this=0x7f16fa1fc940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc940: <error reading variable>
#15 operator() (__closure=0x7f16fa1fc930) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc940)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc930)>
#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
        fn = @0x7f16fa1fc930: <error reading variable>
#17 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa312b90) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa312b90}, <No data fields>}, <No data fields>}}}
#18 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#19 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 38 (LWP 128678):
#0  0x00007f16fdd63bf9 in syscall () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f170235fded 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
        op = <optimized out>
        ts = {tv_sec = 2312732, tv_nsec = 531464117}
        timeout = <optimized out>
        rv = <optimized out>
#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
No locals.
#3  0x00007f1702366ffa in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=<optimized out>, expected=<optimized out>, deadline=..., waitMask=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 2312732531464117}}
#5  0x00007f170236ca47 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f16ae7db138, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
        before = <optimized out>
#6  0x00007f170236cf76 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=0x7f16bc0033c0, 
    deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {
                  _M_head_impl = 0x7f16ae7db138}, <No data fields>}, <No data fields>}}}
#7  0x00007f17023706d0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f16bc003380, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#8  0x00007f1702365367 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa37c000, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#9  0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#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
No locals.
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#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
        fn = <optimized out>
#14 0x00007f17021fc703 in operator() (this=0x7f16fa1fc850) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc850: <error reading variable>
#15 operator() (__closure=0x7f16fa1fc840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc850)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc840)>
#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
        fn = @0x7f16fa1fc840: <error reading variable>
#17 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa312b20) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa312b20}, <No data fields>}, <No data fields>}}}
#18 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#19 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 37 (LWP 128677):
#0  0x00007f16fe047fc3 in pread64 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f1701b32c1b in PosixFileOps::pread (this=<optimized out>, errinfo=0x7f166ad2db60, handle=0x7f16e433d460, buf=0x7f1651f72000, nbyte=4096, offset=1634304) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/os.cc:111
        rv = <optimized out>
#2  0x00007f17022b757a in StatsOps::pread (this=0x7f16f0119480, errinfo=0x7f166ad2db60, h=0x7f168c7d0b40, buf=0x7f1651f72000, sz=4096, off=1634304)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/couch-kvstore/couch-fs-stats.cc:118
        sf = 0x7f168c7d0b40
        bt = {dest = 0x7f16f000f5b8, start = {__d = {__r = 2312729386444648}}, name = 0x0, out = 0x0}
        result = <optimized out>
#3  0x00007f1701b2c9b1 in load_buffer_from (nbyte=<optimized out>, offset=<optimized out>, buf=0x7f164b11e0c0, errinfo=0x7f166ad2db60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/iobuffer.cc:447
        bytes_read = <optimized out>
#4  BufferedFileOps::pread (this=<optimized out>, errinfo=<optimized out>, handle=0x7f161d0c25b0, buf=<optimized out>, nbyte=8, offset=1638000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/iobuffer.cc:645
        block_start = <optimized out>
        nbyte_read = <optimized out>
        h = 0x7f161d0c25b0
        total_read = <optimized out>
#5  0x00007f1701b1d6fb in read_skipping_prefixes (dst=0x7f168e7e1ae8, len=8, pos=<synthetic pointer>, file=0x7f166ad2db40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/couch_file_read.cc:115
        read_size = 8
        got_bytes = <optimized out>
#6  pread_bin_internal (file=0x7f166ad2db40, pos=pos@entry=1638000, ret_ptr=ret_ptr@entry=0x7f168e7e1b38, max_header_size=max_header_size@entry=0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/couch_file_read.cc:147
        info = {chunk_len = 8456128, crc32 = 865}
        err = 8
        buf = <optimized out>
#7  0x00007f1701b1dd3a in pread_compressed (file=<optimized out>, pos=1638000, ret_ptr=ret_ptr@entry=0x7f168e7e1be8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/couch_file_read.cc:204
        compressed_buf = 0x0
        len = <optimized out>
        allocator = <optimized out>
        buffer = {allocator = {mode = (unknown: 896)}, capacity_ = 139736769431488, size_ = 139736493323520, memory = {_M_t = {
              _M_t = {<std::_Tuple_impl<0, char*, cb::compression::Buffer::FreeDeleter>> = {<std::_Tuple_impl<1, cb::compression::Buffer::FreeDeleter>> = {<std::_Head_base<1, cb::compression::Buffer::FreeDeleter, false>> = {_M_head_impl = {
                        allocator = @0x2f}}, <No data fields>}, <std::_Head_base<0, char*, false>> = {_M_head_impl = 0x7f16f00bf862 <Address 0x7f16f00bf862 out of bounds>}, <No data fields>}, <No data fields>}}}}
#8  0x00007f1701b0ae67 in modify_node (rq=rq@entry=0x7f168e7e1f40, nptr=nptr@entry=0x7f161d78a65c, start=start@entry=52, end=end@entry=84, dst=dst@entry=0x7f161d7860c8)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/btree_modify.cc:455
        nodebuf = 0x0
        bufpos = 1
        nodebuflen = 0
        errcode = COUCHSTORE_SUCCESS
        local_result = 0x0
#9  0x00007f1701b0b001 in modify_node (rq=rq@entry=0x7f168e7e1f40, nptr=nptr@entry=0x7f168c7d0b00, start=52, start@entry=0, end=1499, dst=dst@entry=0x7f161d786010)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/btree_modify.cc:652
        range_end = 84
        cmp_key = {buf = 0x7f161d7a27e4 <Address 0x7f161d7a27e4 out of bounds>, size = 6}
        val_buf = {buf = 0x7f161d7a27ea <Address 0x7f161d7a27ea out of bounds>, size = 19}
        cmp_val = <optimized out>
        nodebuf = 0x7f161d7a27c0 <Address 0x7f161d7a27c0 out of bounds>
        bufpos = 61
        nodebuflen = 421
        errcode = <optimized out>
        local_result = 0x7f161d7860c8
#10 0x00007f1701b0bfc9 in modify_btree (rq=rq@entry=0x7f168e7e1f40, root=0x7f168c7d0b00, errcode=errcode@entry=0x7f168e7e1de4) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/btree_modify.cc:814
        a = 0x7f16e433d800
        ret_ptr = 0x7f168c7d0b00
#11 0x00007f1701b20a1d in update_indexes (userReqs=<optimized out>, save_callback_ctx=<optimized out>, save_callback=<optimized out>, numdocs=<optimized out>, idvals=<optimized out>, ids=<optimized out>, seqvals=<optimized out>, seqs=0x7f161dc02010, 
    db=<optimized out>, this=<optimized out>, this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/couch_save.cc:272
        size = 70
        seqrq = {cmp = {compare = 0x7f1701b323d0 <seq_cmp(sized_buf const*, sized_buf const*)>}, file = 0x7f166ad2db40, num_actions = 1499, actions = 0x7f161d911010, fetch_callback = 0x0, fetch_callback_ctx = 0x7f17023dac5f, 
          reduce = 0x7f1701b31950 <by_seq_reduce(char*, unsigned long*, nodelist const*, int, void*)>, rereduce = 0x7f1701b31970 <by_seq_rereduce(char*, unsigned long*, nodelist const*, int, void*)>, user_reduce_ctx = 0x0, purge_kp = 0x0, 
          purge_kv = 0x0, enable_purging = 0, guided_purge_ctx = 0x0, compacting = 0, kv_chunk_threshold = 1279, kp_chunk_threshold = 1279, save_callback = 0x0, save_callback_ctx = 0x0, docinfo_callback = 0x0}
        errcode = COUCHSTORE_SUCCESS
        new_id_root = 0x7f16f0113d20
        actbuf = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, fatbuf*, cb::couchstore::FatbufDeletor>> = {<std::_Tuple_impl<1, cb::couchstore::FatbufDeletor>> = {<std::_Head_base<1, cb::couchstore::FatbufDeletor, true>> = {<cb::couchstore::FatbufDeletor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, fatbuf*, false>> = {_M_head_impl = 0x7f161d911000}, <No data fields>}, <No data fields>}}}
        seqacts = 0x7f161d911010
        idacts = <optimized out>
        fetcharg = {seqacts = 0x7f161d911010, actpos = 1499, valpos = 1172, deltermbuf = @0x7f161d911000}
        idrq = {cmp = {compare = 0x7f1701b32370 <ebin_cmp(sized_buf const*, sized_buf const*)>}, file = 0x7f166ad2db40, num_actions = 1172, actions = 0x7f161d917df0, 
          fetch_callback = 0x7f1701b1f670 <idfetch_update_cb(couchfile_modify_request*, sized_buf*, sized_buf*, void*)>, fetch_callback_ctx = 0x7f168e7e1e20, reduce = 0x7f1701b319f0 <by_id_reduce(char*, unsigned long*, nodelist const*, int, void*)>, 
          rereduce = 0x7f1701b31ac0 <by_id_rereduce(char*, unsigned long*, nodelist const*, int, void*)>, user_reduce_ctx = 0x0, purge_kp = 0x0, purge_kv = 0x0, enable_purging = 0, guided_purge_ctx = 0x0, compacting = 0, kv_chunk_threshold = 1279, 
          kp_chunk_threshold = 1279, save_callback = 0x7f17022b7b30 <saveDocsCallback(DocInfo const*, DocInfo const*, void*, void*)>, save_callback_ctx = 0x7f168e7e22c0, 
          docinfo_callback = 0x7f1701b11a90 <by_id_read_docinfo(DocInfo**, sized_buf const*, sized_buf const*)>}
        new_seq_root = <optimized out>
#12 couchstore_save_documents_and_callback (db=<optimized out>, docs=<optimized out>, infos=<optimized out>, userReqs=<optimized out>, numdocs=<optimized out>, options=options@entry=3, save_cb=<optimized out>, save_cb_ctx=<optimized out>)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/couch_save.cc:425
        CL_item = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchLatencyItem*, std::default_delete<CouchLatencyItem> >> = {<std::_Tuple_impl<1, std::default_delete<CouchLatencyItem> >> = {<std::_Head_base<1, std::default_delete<CouchLatencyItem>, true>> = {<std::default_delete<CouchLatencyItem>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchLatencyItem*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}
        CL_item_ptr = {value = {_M_b = {_M_p = 0x0}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<CouchLatencyItem*>::is_always_lock_free".>}}
        CL_lat_collector = <optimized out>
        CL_timer = {blockTimer = {dest = 0x0, start = {__d = {__r = 0}}, name = 0x0, out = 0x0}}
        term_meta_size = <optimized out>
        fb = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, fatbuf*, cb::couchstore::FatbufDeletor>> = {<std::_Tuple_impl<1, cb::couchstore::FatbufDeletor>> = {<std::_Head_base<1, cb::couchstore::FatbufDeletor, true>> = {<cb::couchstore::FatbufDeletor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, fatbuf*, false>> = {_M_head_impl = 0x7f161dc02000}, <No data fields>}, <No data fields>}}}
        seqklist = 0x7f161dc02010
        idklist = <optimized out>
        seqvlist = <optimized out>
        idvlist = <optimized out>
        seq = <optimized out>
#13 0x00007f17022ce788 in CouchKVStore::saveDocs (this=this@entry=0x7f16f000f400, vbid=..., docs=..., docinfos=..., kvReqs=..., kvctx=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/couch-kvstore/couch-kvstore.cc:2737
        cs_begin = <optimized out>
        flags = 3
        errCode = <optimized out>
        db = {
          kvstore = {<std::_Reference_wrapper_base<CouchKVStore>> = {<std::_Weak_result_type<CouchKVStore>> = {<std::_Weak_result_type_impl<CouchKVStore>> = {<std::_Maybe_get_result_type<CouchKVStore, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Refwrap_base_arg1<CouchKVStore, void>> = {<No data fields>}, <std::_Refwrap_base_arg2<CouchKVStore, void>> = {<No data fields>}, <No data fields>}, _M_data = 0x7f16f000f400}, db = 0x7f166ad2db40, fileRev = 6}
        maxDBSeqno = 13284
        docsLogicalBytes = <optimized out>
        state = <optimized out>
        cs_begin = <optimized out>
        stats = <optimized out>
        info = {version = 0, timestamp = 0, updateSeqNum = 0, purgeSeqNum = 139736769431229, headerPosition = 9376, filename = 0x7f16f000f400 <Address 0x7f16f000f400 out of bounds>, docCount = 9376, deletedCount = 139732959790240, spaceUsed = 1172, 
          fileSize = 139734856640608}
#14 0x00007f17022cf67a in CouchKVStore::commit2couchstore (this=0x7f16f000f400, commitData=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/couch-kvstore/couch-kvstore.cc:2584
        success = true
        vbucket2flush = {vbid = 226}
        phosphor_internal_category_enabled_2568 = {_M_b = {_M_p = 0x0}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::atomic<phosphor::CategoryStatus> const*>::is_always_lock_free".>}
        phosphor_internal_category_enabled_temp_2568 = <optimized out>
        phosphor_internal_tpi_2568 = {category = 0x343bfc <Address 0x343bfc out of bounds>, name = 0x343d3f <Address 0x343d3f out of bounds>, type = phosphor::Complete, argument_names = {_M_elems = {0x31d05a <Address 0x31d05a out of bounds>, 
              0x343d51 <Address 0x343d51 out of bounds>}}, argument_types = {_M_elems = {phosphor::is_uint, phosphor::is_uint}}}
        phosphor_internal_guard_2568 = {tpi = 0x7f1702697820 <CouchKVStore::commit2couchstore(VB::Commit&)::phosphor_internal_tpi_2568>, enabled = true, arg1 = 226, arg2 = 1172, start = {__d = {__r = 2312729347081028}}}
        docs = {<std::_Vector_base<Doc*, std::allocator<Doc*> >> = {_M_impl = {<std::allocator<Doc*>> = {<__gnu_cxx::new_allocator<Doc*>> = {<No data fields>}, <No data fields>}, _M_start = 0x7f161d6e1000, _M_finish = 0x7f161d6e34a0, 
              _M_end_of_storage = 0x7f161d6e34a0}}, <No data fields>}
        docinfos = {<std::_Vector_base<DocInfo*, std::allocator<DocInfo*> >> = {_M_impl = {<std::allocator<DocInfo*>> = {<__gnu_cxx::new_allocator<DocInfo*>> = {<No data fields>}, <No data fields>}, _M_start = 0x7f161d6e6000, 
              _M_finish = 0x7f161d6e84a0, _M_end_of_storage = 0x7f161d6e84a0}}, <No data fields>}
        kvReqs = {<std::_Vector_base<void*, std::allocator<void*> >> = {_M_impl = {<std::allocator<void*>> = {<__gnu_cxx::new_allocator<void*>> = {<No data fields>}, <No data fields>}, _M_start = 0x7f161d752000, _M_finish = 0x7f161d7544a0, 
              _M_end_of_storage = 0x7f161d7544a0}}, <No data fields>}
        kvctx = {commitData = @0x7f168e7e2860, onDiskPrepareDelta = 587, onDiskPrepareBytesDelta = 83530}
        errCode = <optimized out>
#15 0x00007f17022cfc35 in CouchKVStore::commit (this=0x7f16f000f400, commitData=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/couch-kvstore/couch-kvstore.cc:1798
No locals.
#16 0x00007f17021a3382 in EPBucket::commit (this=this@entry=0x7f16f00a1000, vbid=..., kvstore=..., commitData=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:909
        timer = {dest = 0x7f16f00005c8, start = {__d = {__r = 2312729347078417}}, name = 0x7f17023c254e "disk_commit", out = 0x0}
        commit_start = <optimized out>
        res = <optimized out>
        commit_end = <optimized out>
#17 0x00007f17021a686c in EPBucket::flushVBucket (this=0x7f16f00a1000, vbid=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:777
        vb = {vb = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f168c560d00, _M_refcount = {
                _M_pi = 0x7f168c66cc00}}, <No data fields>}, lock = {_M_device = 0x7f16ac380350, _M_owns = true}}
        toFlush = {items = {<std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >> = {
              _M_impl = {<std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<__gnu_cxx::new_allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<No data fields>}, <No data fields>}, 
                _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}, ranges = {<std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >> = {
              _M_impl = {<std::allocator<CheckpointSnapshotRange>> = {<__gnu_cxx::new_allocator<CheckpointSnapshotRange>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}, 
          moreAvailable = true, maxDeletedRevSeqno = {<std::_Optional_base<unsigned long>> = {_M_payload = {{_M_empty = {<No data fields>}, _M_payload = 2}, 
                _M_engaged = true}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}, checkpointType = Disk, flushHandle = {_M_t = {
              _M_t = {<std::_Tuple_impl<0, FlushHandle*, std::default_delete<FlushHandle> >> = {<std::_Tuple_impl<1, std::default_delete<FlushHandle> >> = {<std::_Head_base<1, std::default_delete<FlushHandle>, true>> = {<std::default_delete<FlushHandle>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, FlushHandle*, false>> = {_M_head_impl = 0x7f168c1fcd30}, <No data fields>}, <No data fields>}}}}
        moreAvailable = EPBucket::Yes
        wakeupCheckpointRemover = EPBucket::Yes
        range = {<std::_Optional_base<snapshot_range_t>> = {_M_payload = {{_M_empty = {<No data fields>}, _M_payload = {start = 13284, end = 13284}}, 
              _M_engaged = true}}, <std::_Enable_copy_move<true, true, true, true, std::optional<snapshot_range_t> >> = {<No data fields>}, <No data fields>}
        prev = 0x7f161d35f100
        persistedVbState = <optimized out>
        vbstate = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "\003\000\000\000\000"}}, highSeqno = 12112, purgeSeqno = 0, lastSnapStart = 12112, lastSnapEnd = 12112, maxCas = 1611671556001234944, hlcCasEpochSeqno = 1, 
          mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 12111, persistedPreparedSeqno = 12111, highPreparedSeqno = 12111, maxVisibleSeqno = 12112, onDiskPrepares = 79, onDiskPrepareBytes = 19118, 
          checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f161c7f2ac0 <Address 0x7f161c7f2ac0 out of bounds>}, _M_string_length = 32, {_M_local_buf = " \000\000\000\000\000\000\000P<~\216\026\177\000", _M_allocated_capacity = 32}}, replicationTopology = {
              m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        commitData = {collections = {stats = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f16e43500a0, _M_bucket_count = 3, _M_before_begin = {_M_nxt = 0x7f161d0c2430}, _M_element_count = 1, _M_rehash_policy = {
                  static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 3}, _M_single_bucket = 0x0}}, droppedInStore = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168e7e28c8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                  _M_next_resize = 0}, _M_single_bucket = 0x0}}, collections = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168e7e2900, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                  _M_next_resize = 0}, _M_single_bucket = 0x0}}, scopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                _M_buckets = 0x7f168e7e2938, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, 
            droppedCollections = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168e7e2970, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                  _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedScopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168e7e29a8, 
                _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, 
            manifestUid = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                    _M_p = 0x7f168e7e29c0 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\002\027\177\000", _M_allocated_capacity = 7812730926796664437}}}, val = 0}, manifest = @0x7f168c6bc9c0, nonEmptyDroppedCollections = 0, 
            needsMetaCommit = false}, proposedVBState = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "\002\000\000\000\000"}}, highSeqno = 12112, purgeSeqno = 0, lastSnapStart = 13284, lastSnapEnd = 13284, 
            maxCas = 1611671619594747904, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 13280, persistedPreparedSeqno = 13284, highPreparedSeqno = 13284, maxVisibleSeqno = 13282, 
            onDiskPrepares = 79, onDiskPrepareBytes = 19118, checkpointType = Disk, transition = {failovers = {static npos = 18446744073709551615, 
                _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f168c79f040 <Address 0x7f168c79f040 out of bounds>}, _M_string_length = 32, {
                  _M_local_buf = "<\000\000\000\000\000\000\000\340\376\070\254\026\177\000", _M_allocated_capacity = 60}}, replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, boolean = false, 
                  number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}}
        proposedVBState = @0x7f168e7e29e8: {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "\002\000\000\000\000"}}, highSeqno = 12112, purgeSeqno = 0, lastSnapStart = 13284, lastSnapEnd = 13284, maxCas = 1611671619594747904, 
          hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 13280, persistedPreparedSeqno = 13284, highPreparedSeqno = 13284, maxVisibleSeqno = 13282, onDiskPrepares = 79, 
          onDiskPrepareBytes = 19118, checkpointType = Disk, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f168c79f040 <Address 0x7f168c79f040 out of bounds>}, _M_string_length = 32, {_M_local_buf = "<\000\000\000\000\000\000\000\340\376\070\254\026\177\000", _M_allocated_capacity = 60}}, replicationTopology = {
              m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        maxSeqno = 13284
        maxVbStateOpCas = 1611671654934446080
        minSeqno = 12113
        flushBatchSize = 1172
        mustPersistVBState = true
        hcs = {<std::_Optional_base<unsigned long>> = {_M_payload = {{_M_empty = {<No data fields>}, _M_payload = 13280}, 
              _M_engaged = true}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}
        hps = {<std::_Optional_base<unsigned long>> = {_M_payload = {{_M_empty = {<No data fields>}, _M_payload = 13284}, 
              _M_engaged = true}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}
        maxVisibleSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f168e7e27c0 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 13282}
        aggStats = {numItems = 1173, totalBytes = 327936, totalAgeInMicro = 2712828806282954}
        flushSuccess = <optimized out>
        highSeqno = <optimized out>
#18 0x00007f17022002fc in Flusher::flushVB (this=this@entry=0x7f16f00fbb80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:303
        vbid = {vbid = 226}
        res = {moreAvailable = EPBucket::No, numFlushed = 139736493570496, wakeupCkptRemover = (unknown: 70)}
#19 0x00007f1702201519 in Flusher::step (this=0x7f16f00fbb80, task=0x7f168c58d530) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:204
        more = <optimized out>
#20 0x00007f1702204243 in GlobalTask::execute (this=0x7f168c58d530) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:74
        guard = {previous = 0x0}
#21 0x00007f17021fe2c2 in operator() (__closure=0x7f168e7e30c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:167
        executedAt = <optimized out>
        end = <optimized out>
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 2312729339711658}}
        runAgain = false
        proxy = @0x7f16fc493b60: <error reading variable>
#22 folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:387
        fn = @0x7f168e7e30c0: {__proxy = @0x7f16fc493b60}
#23 0x00007f170237cee6 in operator() (this=0x7f168e7e30c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f168e7e30c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f16fc493b60, tiny = {
              __data = "`;I\374\026\177\000\000\000\000\000\000\000\000\000\000\020\234\020%\026\177", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0x7f17021fe200 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&)>, 
          exec_ = 0x7f17021fbd50 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#24 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x7f16fa141400, thread=..., 
    task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x307ba3c, DIE 0x30c1e1d>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:98
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {
                _M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 2312729339709042}}
        stats = {expired = false, waitTime = {__r = 1697291}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 2312729338011751}}, requestId = 0}
#25 0x00007f17023653da in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa141400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#26 0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#27 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#28 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#29 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#30 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#31 0x00007f17021fc703 in operator() (this=0x7f16fa1fc7b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc7b0: <error reading variable>
#32 operator() (__closure=0x7f16fa1fc7a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc7b0)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc7a0)>
#33 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
        fn = @0x7f16fa1fc7a0: <error reading variable>
#34 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa312ab0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa312ab0}, <No data fields>}, <No data fields>}}}
#35 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#36 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 36 (LWP 128675):
#0  0x00007f17021af588 in fetch_sub (__m=std::memory_order_seq_cst, __i=<optimized out>, this=0x7f16f016e2b8) at /usr/local/include/c++/7.3.0/bits/atomic_base.h:524
No locals.
#1  EPVBucket::notifyHighPriorityRequests (this=this@entry=0x7f168c50f700, engine=..., idNum=<optimized out>, notifyType=notifyType@entry=ChkPersistence) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_vb.cc:328
        toNotify = {_M_t = {
            _M_impl = {<std::allocator<std::_Rb_tree_node<std::pair<void const* const, ENGINE_ERROR_CODE> > >> = {<__gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<void const* const, ENGINE_ERROR_CODE> > >> = {<No data fields>}, <No data fields>}, <std::_Rb_tree_key_compare<std::less<void const*> >> = {_M_key_compare = {<std::binary_function<void const*, void const*, bool>> = {<No data fields>}, <No data fields>}}, <std::_Rb_tree_header> = {_M_header = {_M_color = std::_S_red, _M_parent = 0x0, 
                  _M_left = 0x7f168f7e4338, _M_right = 0x7f168f7e4338}, _M_node_count = 0}, <No data fields>}}}
#2  0x00007f17021a31d0 in handleCheckpointPersistence (vb=..., this=0x7f16f00a1000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:848
No locals.
#3  EPBucket::flushSuccessEpilogue (this=this@entry=0x7f16f00a1000, vb=..., flushStart=..., flushStart@entry=..., itemsFlushed=itemsFlushed@entry=1, aggStats=..., collectionFlush=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:890
        flushEnd = <optimized out>
#4  0x00007f17021a6955 in EPBucket::flushVBucket (this=0x7f16f00a1000, vbid=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:832
        vb = {vb = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f168c50f700, _M_refcount = {
                _M_pi = 0x7f168c567040}}, <No data fields>}, lock = {_M_device = 0x7f16ac3864a8, _M_owns = true}}
        toFlush = {items = {<std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >> = {
              _M_impl = {<std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<__gnu_cxx::new_allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<No data fields>}, <No data fields>}, 
                _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}, ranges = {<std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >> = {
              _M_impl = {<std::allocator<CheckpointSnapshotRange>> = {<__gnu_cxx::new_allocator<CheckpointSnapshotRange>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}, 
          moreAvailable = false, maxDeletedRevSeqno = {<std::_Optional_base<unsigned long>> = {_M_payload = {{_M_empty = {<No data fields>}, _M_payload = 2}, 
                _M_engaged = true}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}, checkpointType = Memory, flushHandle = {_M_t = {
              _M_t = {<std::_Tuple_impl<0, FlushHandle*, std::default_delete<FlushHandle> >> = {<std::_Tuple_impl<1, std::default_delete<FlushHandle> >> = {<std::_Head_base<1, std::default_delete<FlushHandle>, true>> = {<std::default_delete<FlushHandle>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, FlushHandle*, false>> = {_M_head_impl = 0x7f168c31ad20}, <No data fields>}, <No data fields>}}}}
        moreAvailable = <optimized out>
        wakeupCheckpointRemover = <optimized out>
        range = {<std::_Optional_base<snapshot_range_t>> = {_M_payload = {{_M_empty = {<No data fields>}, _M_payload = {start = 15760, end = 15760}}, 
              _M_engaged = true}}, <std::_Enable_copy_move<true, true, true, true, std::optional<snapshot_range_t> >> = {<No data fields>}, <No data fields>}
        prev = <optimized out>
        persistedVbState = <optimized out>
        vbstate = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "\002\000\000\000\000"}}, highSeqno = 15759, purgeSeqno = 0, lastSnapStart = 15759, lastSnapEnd = 15759, maxCas = 1611671630044135424, hlcCasEpochSeqno = 1, 
          mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 15755, persistedPreparedSeqno = 15759, highPreparedSeqno = 15759, maxVisibleSeqno = 15756, onDiskPrepares = 1084, onDiskPrepareBytes = 161165, 
          checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f16ac2ac080 <Address 0x7f16ac2ac080 out of bounds>}, _M_string_length = 205, {_M_local_buf = "\315\000\000\000\000\000\000\000\000\000\000\024\000\000\000", _M_allocated_capacity = 205}}, replicationTopology = {
              m_type = nlohmann::detail::array, m_value = {object = 0x7f16f017e140, array = 0x7f16f017e140, string = 0x7f16f017e140, boolean = 64, number_integer = 139736494104896, number_unsigned = 139736494104896, 
                number_float = 6.9039001207526983e-310}}, state = vbucket_state_active}}
        commitData = {collections = {stats = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f161c750ee0, _M_bucket_count = 3, _M_before_begin = {_M_nxt = 0x7f161c7f2b50}, _M_element_count = 1, _M_rehash_policy = {
                  static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 3}, _M_single_bucket = 0x0}}, droppedInStore = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168f7e48c8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                  _M_next_resize = 0}, _M_single_bucket = 0x0}}, collections = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168f7e4900, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                  _M_next_resize = 0}, _M_single_bucket = 0x0}}, scopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                _M_buckets = 0x7f168f7e4938, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, 
            droppedCollections = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168f7e4970, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                  _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedScopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168f7e49a8, 
                _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, 
            manifestUid = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                    _M_p = 0x7f168f7e49c0 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\002\027\177\000", _M_allocated_capacity = 7812730926796664437}}}, val = 0}, manifest = @0x7f168c5cc4c0, nonEmptyDroppedCollections = 0, 
            needsMetaCommit = false}, proposedVBState = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "\002\000\000\000\000"}}, highSeqno = 15760, purgeSeqno = 0, lastSnapStart = 15760, lastSnapEnd = 15760, 
            maxCas = 1611671655069122560, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 15757, persistedPreparedSeqno = 15759, highPreparedSeqno = 15759, maxVisibleSeqno = 15756, 
            onDiskPrepares = 1083, onDiskPrepareBytes = 161157, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, 
                _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f16ac2ac160 <Address 0x7f16ac2ac160 out of bounds>}, _M_string_length = 205, {
                  _M_local_buf = "\315\000\000\000\000\000\000\000X\005\337\066\026\177\000", _M_allocated_capacity = 205}}, replicationTopology = {m_type = nlohmann::detail::array, m_value = {object = 0x7f16e41f9080, array = 0x7f16e41f9080, 
                  string = 0x7f16e41f9080, boolean = 128, number_integer = 139736293281920, number_unsigned = 139736293281920, number_float = 6.9038901987793645e-310}}, state = vbucket_state_active}}}
        proposedVBState = @0x7f168f7e49e8: {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "\002\000\000\000\000"}}, highSeqno = 15760, purgeSeqno = 0, lastSnapStart = 15760, lastSnapEnd = 15760, maxCas = 1611671655069122560, 
          hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 15757, persistedPreparedSeqno = 15759, highPreparedSeqno = 15759, maxVisibleSeqno = 15756, onDiskPrepares = 1083, 
          onDiskPrepareBytes = 161157, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f16ac2ac160 <Address 0x7f16ac2ac160 out of bounds>}, _M_string_length = 205, {_M_local_buf = "\315\000\000\000\000\000\000\000X\005\337\066\026\177\000", _M_allocated_capacity = 205}}, replicationTopology = {
              m_type = nlohmann::detail::array, m_value = {object = 0x7f16e41f9080, array = 0x7f16e41f9080, string = 0x7f16e41f9080, boolean = 128, number_integer = 139736293281920, number_unsigned = 139736293281920, 
                number_float = 6.9038901987793645e-310}}, state = vbucket_state_active}}
        maxSeqno = <optimized out>
        maxVbStateOpCas = <optimized out>
        minSeqno = <optimized out>
        flushBatchSize = <optimized out>
        mustPersistVBState = <optimized out>
        hcs = <optimized out>
        hps = <optimized out>
        maxVisibleSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f168f7e47c0 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 15756}
        aggStats = {numItems = 1, totalBytes = 138, totalAgeInMicro = 2312727144388}
        flushSuccess = <optimized out>
        highSeqno = 15760
#5  0x00007f17022002fc in Flusher::flushVB (this=this@entry=0x7f16f00fb9c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:303
        vbid = {vbid = 849}
        res = {moreAvailable = EPBucket::No, numFlushed = 139736493570048, wakeupCkptRemover = (unknown: 168)}
#6  0x00007f1702201519 in Flusher::step (this=0x7f16f00fb9c0, task=0x7f168c58d490) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:204
        more = <optimized out>
#7  0x00007f1702204243 in GlobalTask::execute (this=0x7f168c58d490) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:74
        guard = {previous = 0x0}
#8  0x00007f17021fe2c2 in operator() (__closure=0x7f168f7e50c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:167
        executedAt = <optimized out>
        end = <optimized out>
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 2312729378112429}}
        runAgain = false
        proxy = @0x7f16fc493af0: <error reading variable>
#9  folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:387
        fn = @0x7f168f7e50c0: {__proxy = @0x7f16fc493af0}
#10 0x00007f170237cee6 in operator() (this=0x7f168f7e50c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f168f7e50c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f16fc493af0, tiny = {
              __data = "\360:I\374\026\177\000\000\000\000\000\000\000\000\000\000\200\234\020%\026\177", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0x7f17021fe200 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&)>, 
          exec_ = 0x7f17021fbd50 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#11 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x7f16fa141400, thread=..., 
    task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x307ba3c, DIE 0x30c1e1d>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:98
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {
                _M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 2312729378058206}}
        stats = {expired = false, waitTime = {__r = 33355224}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 2312729344702982}}, requestId = 0}
#12 0x00007f17023653da in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa141400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#13 0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#14 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#15 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#16 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#17 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#18 0x00007f17021fc703 in operator() (this=0x7f16fa1fc710) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc710: <error reading variable>
#19 operator() (__closure=0x7f16fa1fc700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc710)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc700)>
#20 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
        fn = @0x7f16fa1fc700: <error reading variable>
#21 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa3129d0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa3129d0}, <No data fields>}, <No data fields>}}}
#22 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#23 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 35 (LWP 128674):
#0  0x00007f1701b0afc8 in read_pointer (buf=0x7f16f00bf498 <Address 0x7f16f00bf498 out of bounds>, key=0x7f168ffe4c00, a=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/btree_modify.cc:188
        p = 0x7f161d76ffd8
        raw = 0x7f16f00bf498
#1  modify_node (rq=rq@entry=0x7f168ffe4f40, nptr=nptr@entry=0x7f161d76c0d0, start=315, start@entry=276, end=end@entry=319, dst=dst@entry=0x7f161d50c0c8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/btree_modify.cc:646
        range_end = 317
        cmp_key = {buf = 0x7f16f00bf492 <Address 0x7f16f00bf492 out of bounds>, size = 6}
        val_buf = {buf = 0x7f16f00bf498 <Address 0x7f16f00bf498 out of bounds>, size = 19}
        cmp_val = <optimized out>
        nodebuf = 0x7f16f00bf180 <Address 0x7f16f00bf180 out of bounds>
        bufpos = 811
        nodebuflen = 871
        errcode = <optimized out>
        local_result = 0x7f161d76c100
#2  0x00007f1701b0b001 in modify_node (rq=rq@entry=0x7f168ffe4f40, nptr=nptr@entry=0x7f16ac2e3340, start=276, start@entry=0, end=1514, dst=dst@entry=0x7f161d50c010)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/btree_modify.cc:652
        range_end = 319
        cmp_key = {buf = 0x7f16f0064550 <Address 0x7f16f0064550 out of bounds>, size = 6}
        val_buf = {buf = 0x7f16f0064556 <Address 0x7f16f0064556 out of bounds>, size = 19}
        cmp_val = <optimized out>
        nodebuf = 0x7f16f0064400 <Address 0x7f16f0064400 out of bounds>
        bufpos = 361
        nodebuflen = 451
        errcode = <optimized out>
        local_result = 0x7f161d50c0c8
#3  0x00007f1701b0bfc9 in modify_btree (rq=rq@entry=0x7f168ffe4f40, root=0x7f16ac2e3340, errcode=errcode@entry=0x7f168ffe4de4) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/btree_modify.cc:814
        a = 0x7f168c088f60
        ret_ptr = 0x7f16ac2e3340
#4  0x00007f1701b20a1d in update_indexes (userReqs=<optimized out>, save_callback_ctx=<optimized out>, save_callback=<optimized out>, numdocs=<optimized out>, idvals=<optimized out>, ids=<optimized out>, seqvals=<optimized out>, seqs=0x7f161dbca010, 
    db=<optimized out>, this=<optimized out>, this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/couch_save.cc:272
        size = 70
        seqrq = {cmp = {compare = 0x7f1701b323d0 <seq_cmp(sized_buf const*, sized_buf const*)>}, file = 0x7f16f00b98c0, num_actions = 1514, actions = 0x7f161d864010, fetch_callback = 0x0, fetch_callback_ctx = 0x7f17023dac5f, 
          reduce = 0x7f1701b31950 <by_seq_reduce(char*, unsigned long*, nodelist const*, int, void*)>, rereduce = 0x7f1701b31970 <by_seq_rereduce(char*, unsigned long*, nodelist const*, int, void*)>, user_reduce_ctx = 0x0, purge_kp = 0x0, 
          purge_kv = 0x0, enable_purging = 0, guided_purge_ctx = 0x0, compacting = 0, kv_chunk_threshold = 1279, kp_chunk_threshold = 1279, save_callback = 0x0, save_callback_ctx = 0x0, docinfo_callback = 0x0}
        errcode = COUCHSTORE_SUCCESS
        new_id_root = 0x7f162e3246a0
        actbuf = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, fatbuf*, cb::couchstore::FatbufDeletor>> = {<std::_Tuple_impl<1, cb::couchstore::FatbufDeletor>> = {<std::_Head_base<1, cb::couchstore::FatbufDeletor, true>> = {<cb::couchstore::FatbufDeletor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, fatbuf*, false>> = {_M_head_impl = 0x7f161d864000}, <No data fields>}, <No data fields>}}}
        seqacts = 0x7f161d864010
        idacts = <optimized out>
        fetcharg = {seqacts = 0x7f161d864010, actpos = 1514, valpos = 1172, deltermbuf = @0x7f161d864000}
        idrq = {cmp = {compare = 0x7f1701b32370 <ebin_cmp(sized_buf const*, sized_buf const*)>}, file = 0x7f16f00b98c0, num_actions = 1172, actions = 0x7f161d86adf0, 
          fetch_callback = 0x7f1701b1f670 <idfetch_update_cb(couchfile_modify_request*, sized_buf*, sized_buf*, void*)>, fetch_callback_ctx = 0x7f168ffe4e20, reduce = 0x7f1701b319f0 <by_id_reduce(char*, unsigned long*, nodelist const*, int, void*)>, 
          rereduce = 0x7f1701b31ac0 <by_id_rereduce(char*, unsigned long*, nodelist const*, int, void*)>, user_reduce_ctx = 0x0, purge_kp = 0x0, purge_kv = 0x0, enable_purging = 0, guided_purge_ctx = 0x0, compacting = 0, kv_chunk_threshold = 1279, 
          kp_chunk_threshold = 1279, save_callback = 0x7f17022b7b30 <saveDocsCallback(DocInfo const*, DocInfo const*, void*, void*)>, save_callback_ctx = 0x7f168ffe52c0, 
          docinfo_callback = 0x7f1701b11a90 <by_id_read_docinfo(DocInfo**, sized_buf const*, sized_buf const*)>}
        new_seq_root = <optimized out>
#5  couchstore_save_documents_and_callback (db=<optimized out>, docs=<optimized out>, infos=<optimized out>, userReqs=<optimized out>, numdocs=<optimized out>, options=options@entry=3, save_cb=<optimized out>, save_cb_ctx=<optimized out>)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/couchstore/src/couch_save.cc:425
        CL_item = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchLatencyItem*, std::default_delete<CouchLatencyItem> >> = {<std::_Tuple_impl<1, std::default_delete<CouchLatencyItem> >> = {<std::_Head_base<1, std::default_delete<CouchLatencyItem>, true>> = {<std::default_delete<CouchLatencyItem>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchLatencyItem*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}
        CL_item_ptr = {value = {_M_b = {_M_p = 0x0}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<CouchLatencyItem*>::is_always_lock_free".>}}
        CL_lat_collector = <optimized out>
        CL_timer = {blockTimer = {dest = 0x0, start = {__d = {__r = 0}}, name = 0x0, out = 0x0}}
        term_meta_size = <optimized out>
        fb = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, fatbuf*, cb::couchstore::FatbufDeletor>> = {<std::_Tuple_impl<1, cb::couchstore::FatbufDeletor>> = {<std::_Head_base<1, cb::couchstore::FatbufDeletor, true>> = {<cb::couchstore::FatbufDeletor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, fatbuf*, false>> = {_M_head_impl = 0x7f161dbca000}, <No data fields>}, <No data fields>}}}
        seqklist = 0x7f161dbca010
        idklist = <optimized out>
        seqvlist = <optimized out>
        idvlist = <optimized out>
        seq = <optimized out>
#6  0x00007f17022ce788 in CouchKVStore::saveDocs (this=this@entry=0x7f16ac2ae000, vbid=..., docs=..., docinfos=..., kvReqs=..., kvctx=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/couch-kvstore/couch-kvstore.cc:2737
        cs_begin = <optimized out>
        flags = 3
        errCode = <optimized out>
        db = {
          kvstore = {<std::_Reference_wrapper_base<CouchKVStore>> = {<std::_Weak_result_type<CouchKVStore>> = {<std::_Weak_result_type_impl<CouchKVStore>> = {<std::_Maybe_get_result_type<CouchKVStore, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Refwrap_base_arg1<CouchKVStore, void>> = {<No data fields>}, <std::_Refwrap_base_arg2<CouchKVStore, void>> = {<No data fields>}, <No data fields>}, _M_data = 0x7f16ac2ae000}, db = 0x7f16f00b98c0, fileRev = 7}
        maxDBSeqno = 11991
        docsLogicalBytes = <optimized out>
        state = <optimized out>
        cs_begin = <optimized out>
        stats = <optimized out>
        info = {version = 0, timestamp = 0, updateSeqNum = 0, purgeSeqNum = 139736769431229, headerPosition = 9376, filename = 0x7f16ac2ae000 <Address 0x7f16ac2ae000 out of bounds>, docCount = 9376, deletedCount = 139732960054432, spaceUsed = 1172, 
          fileSize = 139734881818720}
#7  0x00007f17022cf67a in CouchKVStore::commit2couchstore (this=0x7f16ac2ae000, commitData=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/couch-kvstore/couch-kvstore.cc:2584
        success = true
        vbucket2flush = {vbid = 223}
        phosphor_internal_category_enabled_2568 = {_M_b = {_M_p = 0x0}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::atomic<phosphor::CategoryStatus> const*>::is_always_lock_free".>}
        phosphor_internal_category_enabled_temp_2568 = <optimized out>
        phosphor_internal_tpi_2568 = {category = 0x343bfc <Address 0x343bfc out of bounds>, name = 0x343d3f <Address 0x343d3f out of bounds>, type = phosphor::Complete, argument_names = {_M_elems = {0x31d05a <Address 0x31d05a out of bounds>, 
              0x343d51 <Address 0x343d51 out of bounds>}}, argument_types = {_M_elems = {phosphor::is_uint, phosphor::is_uint}}}
        phosphor_internal_guard_2568 = {tpi = 0x7f1702697820 <CouchKVStore::commit2couchstore(VB::Commit&)::phosphor_internal_tpi_2568>, enabled = true, arg1 = 223, arg2 = 1172, start = {__d = {__r = 2312729344971101}}}
        docs = {<std::_Vector_base<Doc*, std::allocator<Doc*> >> = {_M_impl = {<std::allocator<Doc*>> = {<__gnu_cxx::new_allocator<Doc*>> = {<No data fields>}, <No data fields>}, _M_start = 0x7f161d724000, _M_finish = 0x7f161d7264a0, 
              _M_end_of_storage = 0x7f161d7264a0}}, <No data fields>}
        docinfos = {<std::_Vector_base<DocInfo*, std::allocator<DocInfo*> >> = {_M_impl = {<std::allocator<DocInfo*>> = {<__gnu_cxx::new_allocator<DocInfo*>> = {<No data fields>}, <No data fields>}, _M_start = 0x7f161d726800, 
              _M_finish = 0x7f161d728ca0, _M_end_of_storage = 0x7f161d728ca0}}, <No data fields>}
        kvReqs = {<std::_Vector_base<void*, std::allocator<void*> >> = {_M_impl = {<std::allocator<void*>> = {<__gnu_cxx::new_allocator<void*>> = {<No data fields>}, <No data fields>}, _M_start = 0x7f161d731000, _M_finish = 0x7f161d7334a0, 
              _M_end_of_storage = 0x7f161d7334a0}}, <No data fields>}
        kvctx = {commitData = @0x7f168ffe5860, onDiskPrepareDelta = 589, onDiskPrepareBytesDelta = 93866}
        errCode = <optimized out>
#8  0x00007f17022cfc35 in CouchKVStore::commit (this=0x7f16ac2ae000, commitData=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/couch-kvstore/couch-kvstore.cc:1798
No locals.
#9  0x00007f17021a3382 in EPBucket::commit (this=this@entry=0x7f16f00a1000, vbid=..., kvstore=..., commitData=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:909
        timer = {dest = 0x7f16f00005c8, start = {__d = {__r = 2312729344968335}}, name = 0x7f17023c254e "disk_commit", out = 0x0}
        commit_start = <optimized out>
        res = <optimized out>
        commit_end = <optimized out>
#10 0x00007f17021a686c in EPBucket::flushVBucket (this=0x7f16f00a1000, vbid=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:777
        vb = {vb = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f168c745d00, _M_refcount = {
                _M_pi = 0x7f168c5a01e0}}, <No data fields>}, lock = {_M_device = 0x7f16ac3802d8, _M_owns = true}}
        toFlush = {items = {<std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >> = {
              _M_impl = {<std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<__gnu_cxx::new_allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<No data fields>}, <No data fields>}, 
                _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}, ranges = {<std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >> = {
              _M_impl = {<std::allocator<CheckpointSnapshotRange>> = {<__gnu_cxx::new_allocator<CheckpointSnapshotRange>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}, 
          moreAvailable = true, maxDeletedRevSeqno = {<std::_Optional_base<unsigned long>> = {_M_payload = {{_M_empty = {<No data fields>}, _M_payload = 2}, 
                _M_engaged = true}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}, checkpointType = Disk, flushHandle = {_M_t = {
              _M_t = {<std::_Tuple_impl<0, FlushHandle*, std::default_delete<FlushHandle> >> = {<std::_Tuple_impl<1, std::default_delete<FlushHandle> >> = {<std::_Head_base<1, std::default_delete<FlushHandle>, true>> = {<std::default_delete<FlushHandle>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, FlushHandle*, false>> = {_M_head_impl = 0x7f166a041b20}, <No data fields>}, <No data fields>}}}}
        moreAvailable = EPBucket::Yes
        wakeupCheckpointRemover = EPBucket::Yes
        range = {<std::_Optional_base<snapshot_range_t>> = {_M_payload = {{_M_empty = {<No data fields>}, _M_payload = {start = 11991, end = 11991}}, 
              _M_engaged = true}}, <std::_Enable_copy_move<true, true, true, true, std::optional<snapshot_range_t> >> = {<No data fields>}, <No data fields>}
        prev = 0x7f161d225d80
        persistedVbState = <optimized out>
        vbstate = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "\005\000\000\000\000"}}, highSeqno = 10819, purgeSeqno = 0, lastSnapStart = 10819, lastSnapEnd = 10819, maxCas = 1611671555699441664, hlcCasEpochSeqno = 1, 
          mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 10818, persistedPreparedSeqno = 10818, highPreparedSeqno = 10818, maxVisibleSeqno = 10819, onDiskPrepares = 141, onDiskPrepareBytes = 34098, 
          checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f161c8c5300 <Address 0x7f161c8c5300 out of bounds>}, _M_string_length = 32, {_M_local_buf = " \000\000\000\000\000\000\000Pl\376\217\026\177\000", _M_allocated_capacity = 32}}, replicationTopology = {
              m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        commitData = {collections = {stats = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168c0b6120, _M_bucket_count = 3, _M_before_begin = {_M_nxt = 0x7f16ac32f290}, _M_element_count = 1, _M_rehash_policy = {
                  static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 3}, _M_single_bucket = 0x0}}, droppedInStore = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168ffe58c8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                  _M_next_resize = 0}, _M_single_bucket = 0x0}}, collections = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168ffe5900, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                  _M_next_resize = 0}, _M_single_bucket = 0x0}}, scopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                _M_buckets = 0x7f168ffe5938, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, 
            droppedCollections = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168ffe5970, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                  _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedScopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f168ffe59a8, 
                _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, 
            manifestUid = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                    _M_p = 0x7f168ffe59c0 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\002\027\177\000", _M_allocated_capacity = 7812730926796664437}}}, val = 0}, manifest = @0x7f168c764700, nonEmptyDroppedCollections = 0, 
            needsMetaCommit = false}, proposedVBState = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "\002\000\000\000\000"}}, highSeqno = 10819, purgeSeqno = 0, lastSnapStart = 11991, lastSnapEnd = 11991, 
            maxCas = 1611671565812760576, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 11982, persistedPreparedSeqno = 11991, highPreparedSeqno = 11991, maxVisibleSeqno = 11986, 
            onDiskPrepares = 141, onDiskPrepareBytes = 34098, checkpointType = Disk, transition = {failovers = {static npos = 18446744073709551615, 
                _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f16e41a2880 <Address 0x7f16e41a2880 out of bounds>}, _M_string_length = 32, {
                  _M_local_buf = "<\000\000\000\000\000\000\000\b\000\000\000\000\000\000", _M_allocated_capacity = 60}}, replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, boolean = false, 
                  number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}}
        proposedVBState = @0x7f168ffe59e8: {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "\002\000\000\000\000"}}, highSeqno = 10819, purgeSeqno = 0, lastSnapStart = 11991, lastSnapEnd = 11991, maxCas = 1611671565812760576, 
          hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 11982, persistedPreparedSeqno = 11991, highPreparedSeqno = 11991, maxVisibleSeqno = 11986, onDiskPrepares = 141, 
          onDiskPrepareBytes = 34098, checkpointType = Disk, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f16e41a2880 <Address 0x7f16e41a2880 out of bounds>}, _M_string_length = 32, {_M_local_buf = "<\000\000\000\000\000\000\000\b\000\000\000\000\000\000", _M_allocated_capacity = 60}}, replicationTopology = {
              m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        maxSeqno = 11991
        maxVbStateOpCas = 1611671653912870912
        minSeqno = 10820
        flushBatchSize = 1172
        mustPersistVBState = true
        hcs = {<std::_Optional_base<unsigned long>> = {_M_payload = {{_M_empty = {<No data fields>}, _M_payload = 11982}, 
              _M_engaged = true}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}
        hps = {<std::_Optional_base<unsigned long>> = {_M_payload = {{_M_empty = {<No data fields>}, _M_payload = 11991}, 
              _M_engaged = true}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}
        maxVisibleSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f168ffe57c0 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 11986}
        aggStats = {numItems = 1173, totalBytes = 348482, totalAgeInMicro = 2712827599882202}
        flushSuccess = <optimized out>
        highSeqno = <optimized out>
#11 0x00007f17022002fc in Flusher::flushVB (this=this@entry=0x7f16f00fc440) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:303
        vbid = {vbid = 223}
        res = {moreAvailable = EPBucket::No, numFlushed = 139736493572288, wakeupCkptRemover = (EPBucket::Yes | unknown: 46)}
#12 0x00007f1702201519 in Flusher::step (this=0x7f16f00fc440, task=0x7f168c58d850) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:204
        more = <optimized out>
#13 0x00007f1702204243 in GlobalTask::execute (this=0x7f168c58d850) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:74
        guard = {previous = 0x0}
#14 0x00007f17021fe2c2 in operator() (__closure=0x7f168ffe60c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:167
        executedAt = <optimized out>
        end = <optimized out>
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 2312729338199675}}
        runAgain = false
        proxy = @0x7f16fc493d90: <error reading variable>
#15 folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:387
        fn = @0x7f168ffe60c0: {__proxy = @0x7f16fc493d90}
#16 0x00007f170237cee6 in operator() (this=0x7f168ffe60c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f168ffe60c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f16fc493d90, tiny = {
              __data = "\220=I\374\026\177\000\000\000\000\000\000\000\000\000\000 \023D\254\026\177", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0x7f17021fe200 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&)>, 
          exec_ = 0x7f17021fbd50 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#17 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x7f16fa141400, thread=..., 
    task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x307ba3c, DIE 0x30c1e1d>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:98
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {
                _M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 2312729338196974}}
        stats = {expired = false, waitTime = {__r = 3846154}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 2312729334350820}}, requestId = 0}
#18 0x00007f17023653da in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa141400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#19 0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#20 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#21 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#22 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#23 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#24 0x00007f17021fc703 in operator() (this=0x7f16fa1fc6c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc6c0: <error reading variable>
#25 operator() (__closure=0x7f16fa1fc6b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc6c0)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc6b0)>
#26 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f16fa1fc6b0: <error reading variable>
#27 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa312960) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa312960}, <No data fields>}, <No data fields>}}}
#28 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#29 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 34 (LWP 128673):
#0  0x00007f16fdd63bf9 in syscall () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f170235fded 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
        op = <optimized out>
        ts = {tv_sec = 2312734, tv_nsec = 594203956}
        timeout = <optimized out>
        rv = <optimized out>
#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
No locals.
#3  0x00007f1702366ffa in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=<optimized out>, expected=<optimized out>, deadline=..., waitMask=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 2312734594203956}}
#5  0x00007f170236ca47 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f16ae7db0a8, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
        before = <optimized out>
#6  0x00007f170236cf76 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=0x7f16bc000a40, 
    deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {
                  _M_head_impl = 0x7f16ae7db0a8}, <No data fields>}, <No data fields>}}}
#7  0x00007f17023706d0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f16bc000a00, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#8  0x00007f1702365367 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa140800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#9  0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#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
No locals.
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#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
        fn = <optimized out>
#14 0x00007f17021fc703 in operator() (this=0x7f16fa1fc530) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc530: <error reading variable>
#15 operator() (__closure=0x7f16fa1fc520) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc530)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc520)>
#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
        fn = @0x7f16fa1fc520: <error reading variable>
#17 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa3128f0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa3128f0}, <No data fields>}, <No data fields>}}}
#18 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#19 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 33 (LWP 128672):
#0  0x00007f16fdd63bf9 in syscall () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f170235fded 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
        op = <optimized out>
        ts = {tv_sec = 2312735, tv_nsec = 797904514}
        timeout = <optimized out>
        rv = <optimized out>
#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
No locals.
#3  0x00007f1702366ffa in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=<optimized out>, expected=<optimized out>, deadline=..., waitMask=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 2312735797904514}}
#5  0x00007f170236ca47 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f16ae7db030, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
        before = <optimized out>
#6  0x00007f170236cf76 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=0x7f16bc000a40, 
    deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {
                  _M_head_impl = 0x7f16ae7db030}, <No data fields>}, <No data fields>}}}
#7  0x00007f17023706d0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f16bc000a00, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#8  0x00007f1702365367 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa140800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#9  0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#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
No locals.
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#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
        fn = <optimized out>
#14 0x00007f17021fc703 in operator() (this=0x7f16fa1fc4e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc4e0: <error reading variable>
#15 operator() (__closure=0x7f16fa1fc4d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc4e0)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc4d0)>
#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
        fn = @0x7f16fa1fc4d0: <error reading variable>
#17 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa312880) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa312880}, <No data fields>}, <No data fields>}}}
#18 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#19 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 32 (LWP 128671):
#0  0x00007f16fdd63bf9 in syscall () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f170235fded 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
        op = <optimized out>
        ts = {tv_sec = 2312734, tv_nsec = 200888904}
        timeout = <optimized out>
        rv = <optimized out>
#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
No locals.
#3  0x00007f1702366ffa in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=<optimized out>, expected=<optimized out>, deadline=..., waitMask=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 2312734200888904}}
#5  0x00007f170236ca47 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f16ae7db150, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
        before = <optimized out>
#6  0x00007f170236cf76 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=0x7f16bc000a40, 
    deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {
                  _M_head_impl = 0x7f16ae7db150}, <No data fields>}, <No data fields>}}}
#7  0x00007f17023706d0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f16bc000a00, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#8  0x00007f1702365367 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa140800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#9  0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#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
No locals.
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#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
        fn = <optimized out>
#14 0x00007f17021fc703 in operator() (this=0x7f16fa1fc490) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc490: <error reading variable>
#15 operator() (__closure=0x7f16fa1fc480) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc490)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc480)>
#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
        fn = @0x7f16fa1fc480: <error reading variable>
#17 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa312810) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa312810}, <No data fields>}, <No data fields>}}}
#18 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#19 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 31 (LWP 128670):
#0  0x00007f16fdd63bf9 in syscall () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f170235fded 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
        op = <optimized out>
        ts = {tv_sec = 2312736, tv_nsec = 133671683}
        timeout = <optimized out>
        rv = <optimized out>
#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
No locals.
#3  0x00007f1702366ffa in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=<optimized out>, expected=<optimized out>, deadline=..., waitMask=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 2312736133671683}}
#5  0x00007f170236ca47 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f16ae7db108, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
        before = <optimized out>
#6  0x00007f170236cf76 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=0x7f16bc000a40, 
    deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {
                  _M_head_impl = 0x7f16ae7db108}, <No data fields>}, <No data fields>}}}
#7  0x00007f17023706d0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f16bc000a00, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#8  0x00007f1702365367 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa140800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#9  0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#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
No locals.
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#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
        fn = <optimized out>
#14 0x00007f17021fc703 in operator() (this=0x7f16fa1fc440) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc440: <error reading variable>
#15 operator() (__closure=0x7f16fa1fc430) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc440)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc430)>
#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
        fn = @0x7f16fa1fc430: <error reading variable>
#17 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa3127a0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa3127a0}, <No data fields>}, <No data fields>}}}
#18 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#19 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 30 (LWP 128669):
#0  0x00007f16fdd63bf9 in syscall () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f170235fded 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
        op = <optimized out>
        ts = {tv_sec = 2312735, tv_nsec = 501013342}
        timeout = <optimized out>
        rv = <optimized out>
#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
No locals.
#3  0x00007f1702366ffa in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=<optimized out>, expected=<optimized out>, deadline=..., waitMask=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 2312735501013342}}
#5  0x00007f170236ca47 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f16ae7db1b0, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
        before = <optimized out>
#6  0x00007f170236cf76 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=0x7f16bc000a40, 
    deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {
                  _M_head_impl = 0x7f16ae7db1b0}, <No data fields>}, <No data fields>}}}
#7  0x00007f17023706d0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f16bc000a00, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#8  0x00007f1702365367 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa140800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#9  0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#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
No locals.
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#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
        fn = <optimized out>
#14 0x00007f17021fc703 in operator() (this=0x7f16fa1fc3f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc3f0: <error reading variable>
#15 operator() (__closure=0x7f16fa1fc3e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc3f0)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc3e0)>
#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
        fn = @0x7f16fa1fc3e0: <error reading variable>
#17 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa312730) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa312730}, <No data fields>}, <No data fields>}}}
#18 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#19 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 29 (LWP 128668):
#0  0x00007f16fdd63bf9 in syscall () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f170235fded 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
        op = <optimized out>
        ts = {tv_sec = 2312736, tv_nsec = 230102170}
        timeout = <optimized out>
        rv = <optimized out>
#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
No locals.
#3  0x00007f1702366ffa in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=<optimized out>, expected=<optimized out>, deadline=..., waitMask=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 2312736230102170}}
#5  0x00007f170236ca47 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f16ae7db1e0, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
        before = <optimized out>
#6  0x00007f170236cf76 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=0x7f16bc000a40, 
    deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {
                  _M_head_impl = 0x7f16ae7db1e0}, <No data fields>}, <No data fields>}}}
#7  0x00007f17023706d0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f16bc000a00, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#8  0x00007f1702365367 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa140800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#9  0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#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
No locals.
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#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
        fn = <optimized out>
#14 0x00007f17021fc703 in operator() (this=0x7f16fa1fc3a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc3a0: <error reading variable>
#15 operator() (__closure=0x7f16fa1fc390) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc3a0)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc390)>
#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
        fn = @0x7f16fa1fc390: <error reading variable>
#17 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa3126c0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa3126c0}, <No data fields>}, <No data fields>}}}
#18 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#19 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 28 (LWP 128667):
#0  0x00007f16fdd63bf9 in syscall () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f170235fded 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
        op = <optimized out>
        ts = {tv_sec = 2312735, tv_nsec = 579021742}
        timeout = <optimized out>
        rv = <optimized out>
#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
No locals.
#3  0x00007f1702366ffa in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=<optimized out>, expected=<optimized out>, deadline=..., waitMask=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 2312735579021742}}
#5  0x00007f170236ca47 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f16ae7db1f8, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
        before = <optimized out>
#6  0x00007f170236cf76 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=0x7f16bc000a40, 
    deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {
                  _M_head_impl = 0x7f16ae7db1f8}, <No data fields>}, <No data fields>}}}
#7  0x00007f17023706d0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f16bc000a00, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#8  0x00007f1702365367 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa140800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#9  0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#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
No locals.
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#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
        fn = <optimized out>
#14 0x00007f17021fc703 in operator() (this=0x7f16fa1fc350) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc350: <error reading variable>
#15 operator() (__closure=0x7f16fa1fc340) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc350)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc340)>
#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
        fn = @0x7f16fa1fc340: <error reading variable>
#17 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa312650) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa312650}, <No data fields>}, <No data fields>}}}
#18 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#19 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 27 (LWP 128666):
#0  0x00007f16fdd63bf9 in syscall () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f170235fded 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
        op = <optimized out>
        ts = {tv_sec = 2312734, tv_nsec = 424379011}
        timeout = <optimized out>
        rv = <optimized out>
#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
No locals.
#3  0x00007f1702366ffa in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=<optimized out>, deadline=..., 
    expected=<optimized out>, futex=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=<optimized out>, expected=<optimized out>, deadline=..., waitMask=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 2312734424379011}}
#5  0x00007f170236ca47 in folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x7f16ae7db018, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
        before = <optimized out>
#6  0x00007f170236cf76 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=0x7f16bc000a40, 
    deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {
                  _M_head_impl = 0x7f16ae7db018}, <No data fields>}, <No data fields>}}}
#7  0x00007f17023706d0 in folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x7f16bc000a00, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#8  0x00007f1702365367 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa140800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#9  0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#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
No locals.
#11 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#12 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#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
        fn = <optimized out>
#14 0x00007f17021fc703 in operator() (this=0x7f16fa1fc300) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc300: <error reading variable>
#15 operator() (__closure=0x7f16fa1fc2f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc300)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc2f0)>
#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
        fn = @0x7f16fa1fc2f0: <error reading variable>
#17 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa3125e0) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa3125e0}, <No data fields>}, <No data fields>}}}
#18 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#19 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 26 (LWP 128665):
#0  0x00007f16fe044de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f16ffb13e51 in background_thread_sleep (tsdn=<optimized out>, interval=3175000000, info=<optimized out>) at src/background_thread.c:255
        next_wakeup = {ns = 2312731857018517}
        ts_wakeup = {ns = 1611671659782953000}
        ts = {tv_sec = 1611671659, tv_nsec = 782953000}
        tv = {tv_sec = 1611671656, tv_usec = 607953}
        before_sleep = {ns = 1611671656607953000}
#2  background_work_sleep_once (ind=<optimized out>, info=<optimized out>, tsdn=<optimized out>) at src/background_thread.c:307
        min_interval = 3175000000
        narenas = <optimized out>
#3  background_work (ind=<optimized out>, tsd=0x7f16e6bdea60) at src/background_thread.c:497
        info = <optimized out>
#4  background_thread_entry (ind_arg=<optimized out>) at src/background_thread.c:522
        thread_ind = <optimized out>
#5  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 25 (LWP 128663):
#0  0x00007f16fe044a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f16fe8221bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7f16fa25dbd8) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
No locals.
#2  std::condition_variable::wait (this=this@entry=0x7f16fa25dbd8, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
        __e = <optimized out>
#3  0x00000000004a1a51 in Executor::run (this=0x7f16fa25da80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
        lock = {_M_device = 0x7f16fa25db10, _M_owns = true}
        task = <optimized out>
        lock = {_M_device = 0x7f16fa25db10, _M_owns = true}
#4  0x00007f170080cdcf in Couchbase::Thread::thread_entry (this=0x7f16fa25da80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
No locals.
#5  0x00007f1700801ff7 in run (this=0x7f16fa164670) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#6  platform_thread_wrap (arg=0x7f16fa164670) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164670}, <No data fields>}, <No data fields>}}}
#7  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 24 (LWP 128662):
#0  0x00007f16fe044a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f16fe8221bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7f16fa25da18) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
No locals.
#2  std::condition_variable::wait (this=this@entry=0x7f16fa25da18, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
        __e = <optimized out>
#3  0x00000000004a1a51 in Executor::run (this=0x7f16fa25d8c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
        lock = {_M_device = 0x7f16fa25d950, _M_owns = true}
        task = <optimized out>
        lock = {_M_device = 0x7f16fa25d950, _M_owns = true}
#4  0x00007f170080cdcf in Couchbase::Thread::thread_entry (this=0x7f16fa25d8c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
No locals.
#5  0x00007f1700801ff7 in run (this=0x7f16fa164880) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#6  platform_thread_wrap (arg=0x7f16fa164880) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164880}, <No data fields>}, <No data fields>}}}
#7  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 23 (LWP 128661):
#0  0x00007f16fe044a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f16fe8221bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7f16fa25d858) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
No locals.
#2  std::condition_variable::wait (this=this@entry=0x7f16fa25d858, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
        __e = <optimized out>
#3  0x00000000004a1a51 in Executor::run (this=0x7f16fa25d700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
        lock = {_M_device = 0x7f16fa25d790, _M_owns = true}
        task = <optimized out>
        lock = {_M_device = 0x7f16fa25d790, _M_owns = true}
#4  0x00007f170080cdcf in Couchbase::Thread::thread_entry (this=0x7f16fa25d700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
No locals.
#5  0x00007f1700801ff7 in run (this=0x7f16fa1646d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#6  platform_thread_wrap (arg=0x7f16fa1646d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa1646d0}, <No data fields>}, <No data fields>}}}
#7  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 22 (LWP 128660):
#0  0x00007f16fe044a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f16fe8221bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7f16fa25d698) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
No locals.
#2  std::condition_variable::wait (this=this@entry=0x7f16fa25d698, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
        __e = <optimized out>
#3  0x00000000004a1a51 in Executor::run (this=0x7f16fa25d540) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
        lock = {_M_device = 0x7f16fa25d5d0, _M_owns = true}
        task = <optimized out>
        lock = {_M_device = 0x7f16fa25d5d0, _M_owns = true}
#4  0x00007f170080cdcf in Couchbase::Thread::thread_entry (this=0x7f16fa25d540) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
No locals.
#5  0x00007f1700801ff7 in run (this=0x7f16fa164820) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#6  platform_thread_wrap (arg=0x7f16fa164820) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164820}, <No data fields>}, <No data fields>}}}
#7  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 21 (LWP 128659):
#0  0x00007f16fe044a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f16fe8221bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7f16fa25d4d8) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
No locals.
#2  std::condition_variable::wait (this=this@entry=0x7f16fa25d4d8, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
        __e = <optimized out>
#3  0x00000000004a1a51 in Executor::run (this=0x7f16fa25d380) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
        lock = {_M_device = 0x7f16fa25d410, _M_owns = true}
        task = <optimized out>
        lock = {_M_device = 0x7f16fa25d410, _M_owns = true}
#4  0x00007f170080cdcf in Couchbase::Thread::thread_entry (this=0x7f16fa25d380) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
No locals.
#5  0x00007f1700801ff7 in run (this=0x7f16fa164730) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#6  platform_thread_wrap (arg=0x7f16fa164730) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164730}, <No data fields>}, <No data fields>}}}
#7  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 20 (LWP 128658):
#0  0x00007f16fe044a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f16fe8221bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7f16fa25d318) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
No locals.
#2  std::condition_variable::wait (this=this@entry=0x7f16fa25d318, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
        __e = <optimized out>
#3  0x00000000004a1a51 in Executor::run (this=0x7f16fa25d1c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
        lock = {_M_device = 0x7f16fa25d250, _M_owns = true}
        task = <optimized out>
        lock = {_M_device = 0x7f16fa25d250, _M_owns = true}
#4  0x00007f170080cdcf in Couchbase::Thread::thread_entry (this=0x7f16fa25d1c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
No locals.
#5  0x00007f1700801ff7 in run (this=0x7f16fa164550) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#6  platform_thread_wrap (arg=0x7f16fa164550) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164550}, <No data fields>}, <No data fields>}}}
#7  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 19 (LWP 128657):
#0  0x00007f16fe044a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f16fe8221bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7f16fa25d158) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
No locals.
#2  std::condition_variable::wait (this=this@entry=0x7f16fa25d158, __lock=...) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/condition_variable.cc:53
        __e = <optimized out>
#3  0x00000000004a1a51 in Executor::run (this=0x7f16fa25d000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/executor.cc:44
        lock = {_M_device = 0x7f16fa25d090, _M_owns = true}
        task = <optimized out>
        lock = {_M_device = 0x7f16fa25d090, _M_owns = true}
#4  0x00007f170080cdcf in Couchbase::Thread::thread_entry (this=0x7f16fa25d000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
No locals.
#5  0x00007f1700801ff7 in run (this=0x7f16fa164520) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#6  platform_thread_wrap (arg=0x7f16fa164520) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164520}, <No data fields>}, <No data fields>}}}
#7  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 18 (LWP 128656):
#0  0x00007f16fdd69eb3 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f16ff8db3c5 in epoll_dispatch (base=0x7f16fc729500, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f16fd620580
        events = 0x7f16fc76d380
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f16ff8d2376 in event_base_loop (base=0x7f16fc729500, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f16ffae5c20 <epollops>
        tv = {tv_sec = 139736509290240, tv_usec = 139736767155770}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x000000000046adf9 in worker_libevent (arg=0x7f16fa116ff0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
        me = @0x7f16fa116ff0: <error reading variable>
#4  0x00007f1700801ff7 in run (this=0x7f16fa164760) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#5  platform_thread_wrap (arg=0x7f16fa164760) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164760}, <No data fields>}, <No data fields>}}}
#6  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 17 (LWP 128655):
#0  0x00007f16fdd69eb3 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f16ff8db3c5 in epoll_dispatch (base=0x7f16fc729200, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f16fd6205e0
        events = 0x7f161a6c2200
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f16ff8d2376 in event_base_loop (base=0x7f16fc729200, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f16ffae5c20 <epollops>
        tv = {tv_sec = 0, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x000000000046adf9 in worker_libevent (arg=0x7f16fa116548) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
        me = @0x7f16fa116548: <error reading variable>
#4  0x00007f1700801ff7 in run (this=0x7f16fa164580) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#5  platform_thread_wrap (arg=0x7f16fa164580) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164580}, <No data fields>}, <No data fields>}}}
#6  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 16 (LWP 128654):
#0  0x00007f16fdd69eb3 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f16ff8db3c5 in epoll_dispatch (base=0x7f16fc728f00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f16fd6205c0
        events = 0x7f16fc76d080
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f16ff8d2376 in event_base_loop (base=0x7f16fc728f00, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f16ffae5c20 <epollops>
        tv = {tv_sec = 139736526075648, tv_usec = 139736767155770}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x000000000046adf9 in worker_libevent (arg=0x7f16fa115aa0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
        me = @0x7f16fa115aa0: <error reading variable>
#4  0x00007f1700801ff7 in run (this=0x7f16fa164700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#5  platform_thread_wrap (arg=0x7f16fa164700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164700}, <No data fields>}, <No data fields>}}}
#6  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 15 (LWP 128653):
#0  0x00007f16fdd69eb3 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f16ff8db3c5 in epoll_dispatch (base=0x7f16fc728c00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f16fd620340
        events = 0x7f16fc76cf00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f16ff8d2376 in event_base_loop (base=0x7f16fc728c00, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f16ffae5c20 <epollops>
        tv = {tv_sec = 139736534468352, tv_usec = 139736767155770}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x000000000046adf9 in worker_libevent (arg=0x7f16fa114ff8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
        me = @0x7f16fa114ff8: <error reading variable>
#4  0x00007f1700801ff7 in run (this=0x7f16fa1645e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#5  platform_thread_wrap (arg=0x7f16fa1645e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa1645e0}, <No data fields>}, <No data fields>}}}
#6  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 14 (LWP 128652):
#0  0x00007f16fdd69eb3 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f16ff8db3c5 in epoll_dispatch (base=0x7f16fc728900, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f16fd620600
        events = 0x7f16fc76cd80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f16ff8d2376 in event_base_loop (base=0x7f16fc728900, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f16ffae5c20 <epollops>
        tv = {tv_sec = 139736542861056, tv_usec = 139736767155770}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x000000000046adf9 in worker_libevent (arg=0x7f16fa114550) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
        me = @0x7f16fa114550: <error reading variable>
#4  0x00007f1700801ff7 in run (this=0x7f16fa164400) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#5  platform_thread_wrap (arg=0x7f16fa164400) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164400}, <No data fields>}, <No data fields>}}}
#6  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 13 (LWP 128651):
#0  0x00007f16fdd69eb3 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f16ff8db3c5 in epoll_dispatch (base=0x7f16fc728600, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f16fd620640
        events = 0x7f16fc76cc00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f16ff8d2376 in event_base_loop (base=0x7f16fc728600, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f16ffae5c20 <epollops>
        tv = {tv_sec = 139736551253760, tv_usec = 139736767155770}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x000000000046adf9 in worker_libevent (arg=0x7f16fa113aa8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
        me = @0x7f16fa113aa8: <error reading variable>
#4  0x00007f1700801ff7 in run (this=0x7f16fa164640) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#5  platform_thread_wrap (arg=0x7f16fa164640) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164640}, <No data fields>}, <No data fields>}}}
#6  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 12 (LWP 128650):
#0  0x00007f16fdd69eb3 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f16ff8db3c5 in epoll_dispatch (base=0x7f16fc728300, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f16fd620620
        events = 0x7f16fc76ca80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f16ff8d2376 in event_base_loop (base=0x7f16fc728300, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f16ffae5c20 <epollops>
        tv = {tv_sec = 139736559646464, tv_usec = 139736767155770}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x000000000046adf9 in worker_libevent (arg=0x7f16fa113000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:195
        me = @0x7f16fa113000: <error reading variable>
#4  0x00007f1700801ff7 in run (this=0x7f16fa164610) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#5  platform_thread_wrap (arg=0x7f16fa164610) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fa164610}, <No data fields>}, <No data fields>}}}
#6  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 11 (LWP 128649):
#0  0x00007f16fdd5ec3d in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f1701dc8ad8 in master_thread_run (ctx=0x1c75320) 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
        tls = {is_master = 1, thread_idx = 0, user_ptr = 0x0, alpn_proto = 0x0}
        pfd = <optimized out>
        i = <optimized out>
        workerthreadcount = <optimized out>
#2  master_thread (thread_func_param=0x1c75320) 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
        sa = {__sigaction_handler = {sa_handler = 0x1, sa_sigaction = 0x1}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0}
#3  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 10 (LWP 128648):
#0  0x00007f16fe044a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f1701dd1b2b in consume_socket (thread_index=<optimized out>, sp=0x1c77228, ctx=0x1c75320)
    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
No locals.
#2  worker_thread_run (conn=0x1c76938) 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
        ctx = 0x1c75320
        thread_index = <optimized out>
        tls = {is_master = 0, thread_idx = 3, user_ptr = 0x0, alpn_proto = 0x0}
#3  worker_thread (thread_func_param=0x1c76938) 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
        sa = {__sigaction_handler = {sa_handler = 0x1, sa_sigaction = 0x1}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0}
#4  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 9 (LWP 128647):
#0  0x00007f16fe044a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f1701dd1b2b in consume_socket (thread_index=<optimized out>, sp=0x1c76840, ctx=0x1c75320)
    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
No locals.
#2  worker_thread_run (conn=0x1c75f50) 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
        ctx = 0x1c75320
        thread_index = <optimized out>
        tls = {is_master = 0, thread_idx = 2, user_ptr = 0x0, alpn_proto = 0x0}
#3  worker_thread (thread_func_param=0x1c75f50) 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
        sa = {__sigaction_handler = {sa_handler = 0x1, sa_sigaction = 0x1}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0}
#4  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 8 (LWP 128646):
#0  0x00007f16fe044de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00000000004ef606 in __gthread_cond_timedwait (__abs_timeout=0x7f16fa0e11f0, __mutex=<optimized out>, __cond=0x7f16fc48e8f8) at /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:871
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f16fc48e8f8) at /usr/local/include/c++/7.3.0/condition_variable:166
        __ts = {tv_sec = 1611757995, tv_nsec = 248029486}
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f16fc48e8f8) at /usr/local/include/c++/7.3.0/condition_variable:106
No locals.
#4  wait_for<long, std::ratio<1> > (__rtime=..., __lock=..., this=0x7f16fc48e8f8) at /usr/local/include/c++/7.3.0/condition_variable:138
No locals.
#5  AuditImpl::consume_events (this=0x7f16fc48e500) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/auditd/src/audit.cc:414
        lock = {_M_device = 0x7f16fc48e928, _M_owns = true}
#6  0x00007f1700801ff7 in run (this=0x7f16fd65a2f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#7  platform_thread_wrap (arg=0x7f16fd65a2f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fd65a2f0}, <No data fields>}, <No data fields>}}}
#8  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#9  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 7 (LWP 128645):
#0  0x00007f16fe044de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00000000004911e0 in __gthread_cond_timedwait (__abs_timeout=0x7f16fac621d0, __mutex=<optimized out>, __cond=0x7f16fd62f0f8) at /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:871
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=<synthetic pointer>, this=0x7f16fd62f0f8) at /usr/local/include/c++/7.3.0/condition_variable:166
        __ts = {tv_sec = 1611672194, tv_nsec = 253116751}
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=<synthetic pointer>, this=0x7f16fd62f0f8) at /usr/local/include/c++/7.3.0/condition_variable:106
No locals.
#4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=<synthetic pointer>, __lock=<synthetic pointer>, this=0x7f16fd62f0f8) at /usr/local/include/c++/7.3.0/condition_variable:138
No locals.
#5  ExternalAuthManagerThread::run (this=0x7f16fd62f000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/external_auth_manager_thread.cc:229
        now = <optimized out>
        now = <optimized out>
        lock = {_M_device = 0x7f16fd62f0d0, _M_owns = true}
#6  0x00007f170080cdcf in Couchbase::Thread::thread_entry (this=0x7f16fd62f000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:45
No locals.
#7  0x00007f1700801ff7 in run (this=0x7f16fd65a350) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#8  platform_thread_wrap (arg=0x7f16fd65a350) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fd65a350}, <No data fields>}, <No data fields>}}}
#9  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#10 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 6 (LWP 128644):
#0  0x00007f16fdd5ec3d in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x000000000046a1ee in get_command (buffsize=80, buffer=0x7f16fb4631d0 "") at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:49
        fds = {fd = 0, events = 1, revents = 0}
#2  check_stdin_thread (arg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:90
        command = "\000\000\000\000\000\000\000\000\277\227\004\376\026\177\000\000\200\346~\000\027\177", '\000' <repeats 11 times>, "\307G\373\026\177\000\000\204\366\001\000\000\000\000\000\260\071F\373\026\177\000\000H\234e\375\026\177\000\000\000\000\000\000\000\000\000\000\247\037\200\000\027\177\000"
        call_exit_handler = true
#3  0x00007f1700801ff7 in run (this=0x7f16fd659c30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
No locals.
#4  platform_thread_wrap (arg=0x7f16fd659c30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f16fd659c30}, <No data fields>}, <No data fields>}}}
#5  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 5 (LWP 128643):
#0  0x00007f16fe044de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f1701539f8a in __gthread_cond_timedwait (__abs_timeout=0x7f16fbc641f0, __mutex=<optimized out>, __cond=<optimized out>) at /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:871
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=<optimized out>) at /usr/local/include/c++/7.3.0/condition_variable:166
        __ts = {tv_sec = 1611671658, tv_nsec = 263498555}
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=<optimized out>) at /usr/local/include/c++/7.3.0/condition_variable:106
No locals.
#4  wait_until<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> >, spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()>::<lambda()> > (__p=..., 
    __atime=..., __lock=..., this=<optimized out>) at /usr/local/include/c++/7.3.0/condition_variable:129
No locals.
#5  wait_for<long int, std::ratio<1>, spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()>::<lambda()> > (__p=..., __rtime=..., __lock=..., this=<optimized out>)
    at /usr/local/include/c++/7.3.0/condition_variable:145
No locals.
#6  operator() (__closure=0x7f16fd7ffa08) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/periodic_worker.h:38
        lock = {_M_device = 0x7f16fc493080, _M_owns = true}
        interval = <error reading variable interval (Cannot access memory at address 0x7f16fd7ffa30)>
        callback_fun = <error reading variable callback_fun (Cannot access memory at address 0x7f16fd7ffa10)>
        this = <error reading variable this (Cannot access memory at address 0x7f16fd7ffa08)>
#7  __invoke_impl<void, spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
No locals.
#8  __invoke<spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#9  _M_invoke<0> (this=0x7f16fd7ffa08) at /usr/local/include/c++/7.3.0/thread:234
No locals.
#10 operator() (this=0x7f16fd7ffa08) at /usr/local/include/c++/7.3.0/thread:243
No locals.
#11 _ZNSt6thread11_State_implINS_8_InvokerISt5tupleIJZN6spdlog7details15periodic_workerC4ERKSt8functionIFvvEENSt6chrono8durationIlSt5ratioILl1ELl1EEEEEUlvE_EEEEE6_M_runEv (this=0x7f16fd7ffa00) at /usr/local/include/c++/7.3.0/thread:186
No locals.
#12 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fd7ffa00) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fd7ffa00}, <No data fields>}, <No data fields>}}}
#13 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#14 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 4 (LWP 128642):
#0  0x00007f16fe044de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f170153a8cd in __gthread_cond_timedwait (__abs_timeout=0x7f16fc464fa0, __mutex=<optimized out>, __cond=0x7f16fd62e138) at /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:871
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f16fd62e138) at /usr/local/include/c++/7.3.0/condition_variable:166
        __ts = {tv_sec = 1611671667, tv_nsec = 270780587}
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f16fd62e138) at /usr/local/include/c++/7.3.0/condition_variable:106
No locals.
#4  wait_until<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> >, spdlog::details::mpmc_blocking_queue<T>::dequeue_for(T&, std::chrono::milliseconds) [with T = spdlog::details::async_msg]::<lambda()> > (
    __p=..., __atime=..., __lock=..., this=0x7f16fd62e138) at /usr/local/include/c++/7.3.0/condition_variable:129
No locals.
#5  wait_for<long int, std::ratio<1, 1000>, spdlog::details::mpmc_blocking_queue<T>::dequeue_for(T&, std::chrono::milliseconds) [with T = spdlog::details::async_msg]::<lambda()> > (__p=..., __rtime=<synthetic pointer>, __lock=..., this=0x7f16fd62e138)
    at /usr/local/include/c++/7.3.0/condition_variable:145
No locals.
#6  dequeue_for (wait_duration=..., popped_item=..., this=0x7f16fd62e110) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/mpmc_blocking_q.h:61
        lock = {_M_device = 0x7f16fd62e110, _M_owns = true}
#7  spdlog::details::thread_pool::process_next_msg_ (this=this@entry=0x7f16fd62e110) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/thread_pool.h:193
        incoming_async_msg = {msg_type = spdlog::details::log, level = spdlog::level::critical, time = {__d = {__r = 0}}, thread_id = 128676, raw = 
{<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, <fmt::v5::internal::basic_buffer<char>> = {
              _vptr.basic_buffer = 0x7f170175bc40 <vtable for fmt::v5::basic_memory_buffer<char, 176ul, std::allocator<char> >+16>, 
              ptr_ = 0x7f16fc464ed8 "*** Fatal error encountered during exception handling ***\":\"127.0.0.1\",\"port\":57249} - {\"ip\":\"127.0.0.1\",\"port\":11209} (<ud>@ns_server</ud>) ]eqno:10104 seqno:1370439", size_ = 0, capacity_ = 176}, 
            store_ = "*** Fatal error encountered during exception handling ***\":\"127.0.0.1\",\"port\":57249} - {\"ip\":\"127.0.0.1\",\"port\":11209} (<ud>@ns_server</ud>) ]eqno:10104 seqno:1370439\000\000\000\000\000\000\000\000\000"}, msg_id = 0, 
          worker_ptr = {<std::__shared_ptr<spdlog::async_logger, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<spdlog::async_logger, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {
                _M_pi = 0x0}}, <No data fields>}}
#8  0x00007f170153ae20 in spdlog::details::thread_pool::worker_loop_ (this=0x7f16fd62e110) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/spdlog/include/spdlog/details/thread_pool.h:184
No locals.
#9  0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fd658c60) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fd658c60}, <No data fields>}, <No data fields>}}}
#10 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#11 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 3 (LWP 128641):
#0  0x00007f16fe044de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00007f16ffb145a7 in background_thread_sleep (tsdn=<optimized out>, interval=10000000000, info=<optimized out>) at src/background_thread.c:255
        next_wakeup = {ns = 2312736756003071}
        ts_wakeup = {ns = 1611671664681723000}
        ts = {tv_sec = 1611671664, tv_nsec = 681723000}
        tv = {tv_sec = 1611671654, tv_usec = 681723}
        before_sleep = {ns = 1611671654681723000}
#2  background_work_sleep_once (ind=0, info=<optimized out>, tsdn=<optimized out>) at src/background_thread.c:307
        min_interval = 10000000000
        narenas = <optimized out>
#3  background_thread0_work (tsd=0x7f16fd1e6a60) at src/background_thread.c:452
        created_threads = 0x7f16fd1e60e0
        i = <optimized out>
        n_created = <optimized out>
#4  background_work (ind=<optimized out>, tsd=0x7f16fd1e6a60) at src/background_thread.c:490
        info = <optimized out>
#5  background_thread_entry (ind_arg=<optimized out>) at src/background_thread.c:522
        thread_ind = <optimized out>
#6  0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 2 (LWP 128638):
#0  0x00007f16fdd69eb3 in epoll_wait () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f16ff8db3c5 in epoll_dispatch (base=0x7f16fc728000, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f16fd658d80
        events = 0x7f16fc76c000
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f16ff8d2376 in event_base_loop (base=0x7f16fc728000, flags=flags@entry=0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f16ffae5c20 <epollops>
        tv = {tv_sec = 1, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x000000000042776b in memcached_main (argc=<optimized out>, argv=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/memcached.cc:1531
        numa_status = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f16fd659960 <Address 0x7f16fd659960 out of bounds>}, 
          _M_string_length = 44, {_M_local_buf = ",\000\000\000\000\000\000\000\000\001\000\000\000\000\000", _M_allocated_capacity = 44}}
        parent_monitor = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, ParentMonitor*, std::default_delete<ParentMonitor> >> = {<std::_Tuple_impl<1, std::default_delete<ParentMonitor> >> = {<std::_Head_base<1, std::default_delete<ParentMonitor>, true>> = {<std::default_delete<ParentMonitor>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, ParentMonitor*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}
        phosphor_internal_category_enabled_1507 = {_M_b = {_M_p = 0x0}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::atomic<phosphor::CategoryStatus> const*>::is_always_lock_free".>}
        phosphor_internal_category_enabled_temp_1507 = <optimized out>
        phosphor_internal_tpi_1507 = {category = 0x58e3ce "memcached", name = 0x58e656 "Started", type = phosphor::GlobalInstant, argument_names = {_M_elems = {0x5aaf53 "", 0x5aaf53 ""}}, argument_types = {_M_elems = {phosphor::is_none, 
              phosphor::is_none}}}
#4  0x00007f16fdc8d555 in __libc_start_main () from /lib64/libc.so.6
No symbol table info available.
#5  0x000000000041fb55 in _start ()
        shutdown_cv_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
              __align = 0}}, <No data fields>}
        memcached_can_shutdown = false
        std::__ioinit = {static _S_refcount = 0, static _S_synced_with_stdio = true}
        main_base = 0x0
        shutdown_cv = {_M_cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}
        buckets_lock = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
              __align = 0}}, <No data fields>}
        sigterm_event = 0x0
        all_buckets = {_M_elems = {{mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
                    __align = 0}}, <No data fields>}, cond = {_M_cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, 
                  __align = 0}}, clients = 0, state = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Bucket::None, 
                static is_always_lock_free = <error reading variable: No global symbol "std::atomic<Bucket::State>::is_always_lock_free".>}, items_in_transit = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, 
                static is_always_lock_free = true}, type = Unknown, name = '\000' <repeats 100 times>, topkeys = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, TopKeys*, std::default_delete<TopKeys> >> = {<std::_Tuple_impl<1, std::default_delete<TopKeys> >> = {<std::_Head_base<1, std::default_delete<TopKeys>, true>> = {<std::default_delete<TopKeys>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, TopKeys*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, stats = {<std::_Vector_base<thread_stats, std::allocator<thread_stats> >> = {
                  _M_impl = {<std::allocator<thread_stats>> = {<__gnu_cxx::new_allocator<thread_stats>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}, timings = {
                lock = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
                      __align = 0}}, <No data fields>}, interval_latency_lookups = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 0, array = {_M_elems = {{count = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}}}}}, <No data fields>}}, interval_latency_mutations = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 0, array = {
                        _M_elems = {{count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                                  static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
                            duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, 
                                  _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {
                              value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                                static is_always_lock_free = true}}}}}}, <No data fields>}}, timings = {_M_elems = {{_M_b = {_M_p = 0x0}, 
                      static is_always_lock_free = <error reading variable: No global symbol "std::atomic<Hdr1sfMicroSecHistogram*>::is_always_lock_free".>} <repeats 256 times>}}, histogram_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {
                        __lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_counters = {
                  coreArray = {<std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >> = {
                      _M_impl = {<std::allocator<std::array<cb::sampling::Interval, 256> >> = {<__gnu_cxx::new_allocator<std::array<cb::sampling::Interval, 256> >> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, 
                        _M_end_of_storage = 0x0}}, <No data fields>}}}, subjson_operation_times = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Log, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
                    static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
                    static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {
                      _M_t = {
                        _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {
                          static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, 
                      static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, 
                      static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, 
                      static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = <error reading variable: Cannot find thread-local variables on this target>, 
                      static tls_lastDeferredReaderSlot = <error reading variable: Cannot find thread-local variables on this target>, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                          static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, jsonValidateTimes = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Log, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
                    static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
                    static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {
                      _M_t = {
                        _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {
                          static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, 
                      static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, 
                      static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, 
                      static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = <error reading variable: Cannot find thread-local variables on this target>, 
                      static tls_lastDeferredReaderSlot = <error reading variable: Cannot find thread-local variables on this target>, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                          static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, snappyDecompressionTimes = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Log, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
                    static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
                    static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {
                      _M_t = {
                        _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {
                          static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, 
                      static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, 
                      static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, 
                      static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = <error reading variable: Cannot find thread-local variables on this target>, 
                      static tls_lastDeferredReaderSlot = <error reading variable: Cannot find thread-local variables on this target>, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                          static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, responseCounters = {_M_elems = {{value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                      static is_always_lock_free = true}} <repeats 216 times>}}, clusterConfiguration = {static NoConfiguration = -1, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, 
                        __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, 
                config = {<std::__shared_ptr<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, revision = 0}, max_document_size = 0, supportedFeatures = {
                _M_h = {<std::__detail::_Hashtable_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >> = {<std::__detail::_Hash_code_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<cb::engine::Feature>, true>> = {<std::hash<cb::engine::Feature>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<cb::engine::Feature>, true>> = {<std::equal_to<cb::engine::Feature>> = {<std::binary_function<cb::engine::Feature, cb::engine::Feature, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<std::__detail::_Insert_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x0, _M_bucket_count = 0, _M_before_begin = {
                    _M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 0, _M_next_resize = 0}, _M_single_bucket = 0x0}}, engine = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, EngineIface*, EngineDeletor>> = {<std::_Tuple_impl<1, EngineDeletor>> = {<std::_Head_base<1, EngineDeletor, false>> = {_M_head_impl = {
                            force = false}}, <No data fields>}, <std::_Head_base<0, EngineIface*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, bucketDcp = 0x0} <repeats 101 times>}}
        stats = {curr_conns = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, system_conns = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, 
            static is_always_lock_free = true}, total_conns = {value = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}}, conn_structs = {value = {<std::__atomic_base<unsigned int>> = {
                static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}}, rejected_conns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}
        stats_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}
        reset_stats_time = '\000' <repeats 79 times>
        memcached_shutdown = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}
        executorPool = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, cb::ExecutorPool*, std::default_delete<cb::ExecutorPool> >> = {<std::_Tuple_impl<1, std::default_delete<cb::ExecutorPool> >> = {<std::_Head_base<1, std::default_delete<cb::ExecutorPool>, true>> = {<std::default_delete<cb::ExecutorPool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, cb::ExecutorPool*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_32 = 0x80b100 <fmt::v5::internal::basic_data<void>::POWERS_OF_10_32>
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_64 = 0x80b060 <fmt::v5::internal::basic_data<void>::POWERS_OF_10_64>
        fmt::v5::internal::basic_data<void>::DIGITS = 0x80af80 <fmt::v5::internal::basic_data<void>::DIGITS> "00010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899"

Thread 1 (LWP 128676):
#0  0x00007f16fdca1387 in raise () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f16fdca2a78 in abort () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007f16fe7ff195 in __gnu_cxx::__verbose_terminate_handler () at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/vterminate.cc:95
        terminating = false
        t = <optimized out>
#3  0x0000000000555592 in backtrace_terminate_handler () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:86
No locals.
#4  0x00007f16fe7fcf86 in __cxxabiv1::__terminate (handler=<optimized out>) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_terminate.cc:47
No locals.
#5  0x00007f16fe7fcfd1 in std::terminate () at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_terminate.cc:57
No locals.
#6  0x00007f1702204263 in GlobalTask::execute (this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:77
No locals.
#7  0x00007f17021fe2c2 in operator() (__closure=0x7f168efe40c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:167
        executedAt = <optimized out>
        end = <optimized out>
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 2312729345803965}}
        runAgain = false
        proxy = @0x7f16fc493bd0: <error reading variable>
#8  folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:387
        fn = @0x7f168efe40c0: {__proxy = @0x7f16fc493bd0}
#9  0x00007f170237cee6 in operator() (this=0x7f168efe40c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f168efe40c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f16fc493bd0, tiny = {
              __data = "\320;I\374\026\177\000\000\000\000\000\000\000\000\000\000\060@I\374\026\177", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0x7f17021fe200 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&)>, 
          exec_ = 0x7f17021fbd50 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#10 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x7f16fa141400, thread=..., 
    task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x307ba3c, DIE 0x30c1e1d>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:98
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {
                _M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 2312729345801037}}
        stats = {expired = false, waitTime = {__r = 3051981}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 2312729342749056}}, requestId = 0}
#11 0x00007f17023653da in folly::CPUThreadPoolExecutor::threadRun (this=0x7f16fa141400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f17023e501b "CPUThreadPoolExecutor", e_ = 0x7f17023e5030 ""}}}}
#12 0x00007f1702380009 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x00007f17021fc703 in operator() (this=0x7f16fa1fc760) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:416
        fn = @0x7f16fa1fc760: <error reading variable>
#18 operator() (__closure=0x7f16fa1fc750) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/executors/thread_factory/PriorityThreadFactory.h:54
        func = <error reading variable func (Cannot access memory at address 0x7f16fa1fc760)>
        priority = <error reading variable priority (Cannot access memory at address 0x7f16fa1fc750)>
#19 folly::detail::function::FunctionTraits<void ()>::callBig<folly::PriorityThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f16fa1fc750: <error reading variable>
#20 0x00007f16fe827dcf in std::execute_native_thread_routine (__p=0x7f16fa312a40) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/thread.cc:83
        __t = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, std::thread::_State*, std::default_delete<std::thread::_State> >> = {<std::_Tuple_impl<1, std::default_delete<std::thread::_State> >> = {<std::_Head_base<1, std::default_delete<std::thread::_State>, true>> = {<std::default_delete<std::thread::_State>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, std::thread::_State*, false>> = {_M_head_impl = 0x7f16fa312a40}, <No data fields>}, <No data fields>}}}
#21 0x00007f16fe040ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#22 0x00007f16fdd698dd in clone () from /lib64/libc.so.6
No symbol table info available.