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 This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: . Attaching to process 66010 Reading symbols from /opt/couchbase/bin/memcached...Reading symbols from /opt/couchbase/bin/memcached...(no debugging symbols found)...done. (no debugging symbols found)...done. Reading symbols from /opt/couchbase/bin/../lib/libnuma.so.1...Reading symbols from /opt/couchbase/bin/../lib/libnuma.so.1...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libnuma.so.1 Reading symbols from /opt/couchbase/bin/../lib/liburing.so.1...Reading symbols from /opt/couchbase/bin/../lib/liburing.so.1...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/liburing.so.1 Reading symbols from /opt/couchbase/bin/../lib/libz.so.1...Reading symbols from /opt/couchbase/bin/../lib/libz.so.1...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libz.so.1 Reading symbols from /opt/couchbase/bin/../lib/libphosphor.so...Reading symbols from /opt/couchbase/bin/../lib/libphosphor.so...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libphosphor.so Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/libdl.so.2 Reading symbols from /lib64/libpthread.so.0...(no debugging symbols found)...done. [New LWP 126170] [New LWP 126169] [New LWP 126168] [New LWP 92997] [New LWP 66536] [New LWP 66535] [New LWP 66534] [New LWP 66533] [New LWP 66532] [New LWP 66531] [New LWP 66530] [New LWP 66529] [New LWP 66528] [New LWP 66527] [New LWP 66526] [New LWP 66525] [New LWP 66524] [New LWP 66523] [New LWP 66522] [New LWP 66521] [New LWP 66520] [New LWP 66519] [New LWP 66518] [New LWP 66517] [New LWP 66516] [New LWP 66067] [New LWP 66066] [New LWP 66065] [New LWP 66064] [New LWP 66059] [New LWP 66058] [New LWP 66057] [New LWP 66056] [New LWP 66055] [New LWP 66054] [New LWP 66053] [New LWP 66052] [New LWP 66051] [New LWP 66050] [New LWP 66049] [New LWP 66048] [New LWP 66047] [New LWP 66046] [New LWP 66045] [New LWP 66044] [New LWP 66043] [New LWP 66042] [New LWP 66019] [New LWP 66018] [New LWP 66014] [New LWP 66013] [New LWP 66012] [New LWP 66011] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Loaded symbols for /lib64/libpthread.so.0 Reading symbols from /lib64/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib64/librt.so.1 Reading symbols from /opt/couchbase/bin/../lib/liblz4.so.1...Reading symbols from /opt/couchbase/bin/../lib/liblz4.so.1...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/liblz4.so.1 Reading symbols from /opt/couchbase/bin/../lib/libsnappy.so.1...Reading symbols from /opt/couchbase/bin/../lib/libsnappy.so.1...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libsnappy.so.1 Reading symbols from /opt/couchbase/bin/../lib/libjemalloc.so.2...Reading symbols from /opt/couchbase/bin/../lib/libjemalloc.so.2...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libjemalloc.so.2 Reading symbols from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7...Reading symbols from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 Reading symbols from /opt/couchbase/bin/../lib/libevent_extra-2.1.so.7...Reading symbols from /opt/couchbase/bin/../lib/libevent_extra-2.1.so.7...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libevent_extra-2.1.so.7 Reading symbols from /opt/couchbase/bin/../lib/libevent_pthreads-2.1.so.7...Reading symbols from /opt/couchbase/bin/../lib/libevent_pthreads-2.1.so.7...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libevent_pthreads-2.1.so.7 Reading symbols from /opt/couchbase/bin/../lib/libevent_openssl-2.1.so.7...Reading symbols from /opt/couchbase/bin/../lib/libevent_openssl-2.1.so.7...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libevent_openssl-2.1.so.7 Reading symbols from /opt/couchbase/bin/../lib/libssl.so.1.1...Reading symbols from /opt/couchbase/bin/../lib/libssl.so.1.1...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libssl.so.1.1 Reading symbols from /opt/couchbase/bin/../lib/libcrypto.so.1.1...Reading symbols from /opt/couchbase/bin/../lib/libcrypto.so.1.1...(no debugging symbols found)...done. (no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libcrypto.so.1.1 Reading symbols from /opt/couchbase/bin/../lib/libstdc++.so.6...(no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libstdc++.so.6 Reading symbols from /lib64/libm.so.6...(no debugging symbols found)...done. Loaded symbols for /lib64/libm.so.6 Reading symbols from /opt/couchbase/bin/../lib/libgcc_s.so.1...(no debugging symbols found)...done. Loaded symbols for /opt/couchbase/bin/../lib/libgcc_s.so.1 Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib64/libc.so.6 Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 0x00007f2fb75dceb3 in epoll_wait () from /lib64/libc.so.6 To enable execution of this file add add-auto-load-safe-path /opt/couchbase/lib/libstdc++.so.6.0.28-gdb.py line to your configuration file "/root/.gdbinit". To completely disable this security protection add set auto-load safe-path / line to your configuration file "/root/.gdbinit". For more information about this security protection see the "Auto-loading safe path" section in the GDB manual. E.g., run from the shell: info "(gdb)Auto-loading safe path" Thread 54 (Thread 0x7f2fb6bff700 (LWP 66011)): #0 0x00007f2fb9c9fde2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb91a95a7 in background_thread_entry () from /opt/couchbase/bin/../lib/libjemalloc.so.2 #2 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #3 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 53 (Thread 0x7f2fb5afe700 (LWP 66012)): #0 0x00007f2fb9c9fde2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000b19cfa in spdlog::details::thread_pool::process_next_msg_() () #2 0x0000000000b1a048 in _ZNSt6thread11_State_implINS_8_InvokerISt5tupleIJZN6spdlog7details11thread_poolC4EmmSt8functionIFvvEEEUlvE_EEEEE6_M_runEv () #3 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #4 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #5 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 52 (Thread 0x7f2fb52fd700 (LWP 66013)): #0 0x00007f2fb9c9fde2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000b19aba in _ZNSt6thread11_State_implINS_8_InvokerISt5tupleIJZN6spdlog7details15periodic_workerC4ERKSt8functionIFvvEENSt6chrono8durationIlSt5ratioILl1ELl1EEEEEUlvE_EEEEE6_M_runEv () #2 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #3 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 51 (Thread 0x7f2fb4afc700 (LWP 66014)): #0 0x00007f2fb75d1c3d in poll () from /lib64/libc.so.6 #1 0x00000000005a2cd1 in check_stdin_thread(void*) () #2 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #3 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 50 (Thread 0x7f2fb2af8700 (LWP 66018)): #0 0x00007f2fb9c9fde2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000005e88f6 in ExternalAuthManagerThread::run() () #2 0x0000000000b61493 in Couchbase::Thread::thread_entry() () #3 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #4 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #5 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 49 (Thread 0x7f2fb22f7700 (LWP 66019)): #0 0x00007f2fb9c9fde2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000672397 in AuditImpl::consume_events() () #2 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #3 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 48 (Thread 0x7f2fb32f9700 (LWP 66042)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a9464b in worker_thread () #2 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #3 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 47 (Thread 0x7f2fb3afa700 (LWP 66043)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x0000000000a9464b in worker_thread () #2 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #3 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 46 (Thread 0x7f2fb42fb700 (LWP 66044)): #0 0x00007f2fb75d1c3d in poll () from /lib64/libc.so.6 #1 0x0000000000a8b5b8 in master_thread () #2 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #3 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 45 (Thread 0x7f2fb1af6700 (LWP 66045)): #0 0x00007f2fb75dceb3 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f2fb8f703c5 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #2 0x00007f2fb8f67376 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #3 0x0000000000bc0097 in folly::EventBase::loopBody(int, bool) () #4 0x0000000000bc0566 in folly::EventBase::loop() () #5 0x0000000000bc1f26 in folly::EventBase::loopForever() () #6 0x00000000005a7ef9 in worker_libevent(void*) () #7 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #8 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 44 (Thread 0x7f2fb12f5700 (LWP 66046)): #0 0x00007f2fb75dceb3 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f2fb8f703c5 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #2 0x00007f2fb8f67376 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #3 0x0000000000bc0097 in folly::EventBase::loopBody(int, bool) () #4 0x0000000000bc0566 in folly::EventBase::loop() () #5 0x0000000000bc1f26 in folly::EventBase::loopForever() () #6 0x00000000005a7ef9 in worker_libevent(void*) () #7 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #8 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 43 (Thread 0x7f2fb0af4700 (LWP 66047)): #0 0x00007f2fb75dceb3 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f2fb8f703c5 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #2 0x00007f2fb8f67376 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #3 0x0000000000bc0097 in folly::EventBase::loopBody(int, bool) () #4 0x0000000000bc0566 in folly::EventBase::loop() () #5 0x0000000000bc1f26 in folly::EventBase::loopForever() () #6 0x00000000005a7ef9 in worker_libevent(void*) () #7 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #8 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 42 (Thread 0x7f2fabfff700 (LWP 66048)): #0 0x00007f2fb75dceb3 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f2fb8f703c5 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #2 0x00007f2fb8f67376 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #3 0x0000000000bc0097 in folly::EventBase::loopBody(int, bool) () #4 0x0000000000bc0566 in folly::EventBase::loop() () #5 0x0000000000bc1f26 in folly::EventBase::loopForever() () #6 0x00000000005a7ef9 in worker_libevent(void*) () #7 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #8 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 41 (Thread 0x7f2fab7fe700 (LWP 66049)): #0 0x00007f2fb75dceb3 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f2fb8f703c5 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #2 0x00007f2fb8f67376 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #3 0x0000000000bc0097 in folly::EventBase::loopBody(int, bool) () #4 0x0000000000bc0566 in folly::EventBase::loop() () #5 0x0000000000bc1f26 in folly::EventBase::loopForever() () #6 0x00000000005a7ef9 in worker_libevent(void*) () #7 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #8 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 40 (Thread 0x7f2faaffd700 (LWP 66050)): #0 0x00007f2fb75dceb3 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f2fb8f703c5 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #2 0x00007f2fb8f67376 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #3 0x0000000000bc0097 in folly::EventBase::loopBody(int, bool) () #4 0x0000000000bc0566 in folly::EventBase::loop() () #5 0x0000000000bc1f26 in folly::EventBase::loopForever() () #6 0x00000000005a7ef9 in worker_libevent(void*) () #7 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #8 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 39 (Thread 0x7f2faa7fc700 (LWP 66051)): #0 0x00007f2fb75dceb3 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f2fb8f703c5 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #2 0x00007f2fb8f67376 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #3 0x0000000000bc0097 in folly::EventBase::loopBody(int, bool) () #4 0x0000000000bc0566 in folly::EventBase::loop() () #5 0x0000000000bc1f26 in folly::EventBase::loopForever() () #6 0x00000000005a7ef9 in worker_libevent(void*) () #7 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #8 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 38 (Thread 0x7f2fa3fff700 (LWP 66052)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 37 (Thread 0x7f2fa37fe700 (LWP 66053)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 36 (Thread 0x7f2fa2ffd700 (LWP 66054)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 35 (Thread 0x7f2fa0fd7700 (LWP 66055)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 34 (Thread 0x7f2f93fff700 (LWP 66056)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 33 (Thread 0x7f2f937fe700 (LWP 66057)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 32 (Thread 0x7f2f92ffd700 (LWP 66058)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 31 (Thread 0x7f2f927fc700 (LWP 66059)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 30 (Thread 0x7f2f737fe700 (LWP 66064)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba64f7 in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 29 (Thread 0x7f2f72ffd700 (LWP 66065)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba64f7 in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 28 (Thread 0x7f2f727fc700 (LWP 66066)): #0 0x00007f2fb919df53 in je_nallocx () from /opt/couchbase/bin/../lib/libjemalloc.so.2 #1 0x0000000000b63c31 in cb::JEArenaCoreLocalTracker::memAllocated(unsigned char, cb::MemoryDomain, unsigned long, std::align_val_t) () #2 0x0000000000b641ab in cb::_JEArenaMalloc::malloc(unsigned long) () #3 0x00000000005b744f in cb_malloc () #4 0x0000000000b59359 in operator new(unsigned long) () #5 0x00000000007b0a3a in Blob::Copy(Blob const&) () #6 0x0000000000711c0e in StoredValue::reallocate() () #7 0x00000000007ed4b0 in DefragmentVisitor::visit(HashTable::HashBucketLock const&, StoredValue&) () #8 0x00000000006d874d in HashTable::pauseResumeVisit(HashTableVisitor&, HashTable::Position&) () #9 0x000000000071b16b in PauseResumeVBAdapter::visit(VBucket&) () #10 0x00000000006e7ae2 in KVBucket::pauseResumeVisit(PauseResumeVBVisitor&, KVBucketIface::Position&, VBucketFilter*) () #11 0x00000000007ec105 in DefragmenterTask::defrag() () #12 0x00000000007ed238 in DefragmenterTask::run() () #13 0x0000000000a658f2 in GlobalTask::execute() () #14 0x0000000000a62a95 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const () #15 0x0000000000bb69b0 in folly::ThreadPoolExecutor::runTask(std::shared_ptr const&, folly::ThreadPoolExecutor::Task&&) () #16 0x0000000000b9e76a in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #17 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #18 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #19 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #20 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #21 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 27 (Thread 0x7f2f71ffb700 (LWP 66067)): #0 0x00007f2fb75dceb3 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f2fb8f703c5 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #2 0x00007f2fb8f67376 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #3 0x0000000000bc0097 in folly::EventBase::loopBody(int, bool) () #4 0x0000000000bc0566 in folly::EventBase::loop() () #5 0x0000000000bc1f26 in folly::EventBase::loopForever() () #6 0x0000000000bae1d9 in folly::IOThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #9 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #10 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 26 (Thread 0x7f2f717fa700 (LWP 66516)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb91a8fa2 in background_thread_entry () from /opt/couchbase/bin/../lib/libjemalloc.so.2 #2 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #3 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 25 (Thread 0x7f2f70ff9700 (LWP 66517)): #0 0x00007f2fb9c9fde2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x000000000099f9ff in magma::TaskQueue::dequeue(std::atomic&) () #2 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #3 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #4 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #5 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 24 (Thread 0x7f2f33fff700 (LWP 66518)): #0 0x00007f2fb9c9fde2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x000000000099f9ff in magma::TaskQueue::dequeue(std::atomic&) () #2 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #3 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #4 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #5 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 23 (Thread 0x7f2f337fe700 (LWP 66519)): #0 0x00007f2fb9c9fde2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x000000000099f9ff in magma::TaskQueue::dequeue(std::atomic&) () #2 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #3 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #4 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #5 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 22 (Thread 0x7f2f32ffd700 (LWP 66520)): #0 0x00007f2fb9c9fde2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x000000000099f9ff in magma::TaskQueue::dequeue(std::atomic&) () #2 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #3 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #4 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #5 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 21 (Thread 0x7f2f327fc700 (LWP 66521)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 20 (Thread 0x7f2f31ffb700 (LWP 66522)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 19 (Thread 0x7f2f317fa700 (LWP 66523)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 18 (Thread 0x7f2f30ff9700 (LWP 66524)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 17 (Thread 0x7f2f307f8700 (LWP 66525)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 16 (Thread 0x7f2f2fff7700 (LWP 66526)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 15 (Thread 0x7f2f2f7f6700 (LWP 66527)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 14 (Thread 0x7f2f2eff5700 (LWP 66528)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 13 (Thread 0x7f2f2e7f4700 (LWP 66529)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 12 (Thread 0x7f2f2dff3700 (LWP 66530)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 11 (Thread 0x7f2f2d7f2700 (LWP 66531)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 10 (Thread 0x7f2f2cff1700 (LWP 66532)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 9 (Thread 0x7f2f2c7f0700 (LWP 66533)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 8 (Thread 0x7f2f2bfef700 (LWP 66534)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 7 (Thread 0x7f2f2b7ee700 (LWP 66535)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 6 (Thread 0x7f2f2afed700 (LWP 66536)): #0 0x00007f2fb9c9fa35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f2fb7e8e8bc in std::condition_variable::wait(std::unique_lock&) () from /opt/couchbase/bin/../lib/libstdc++.so.6 #2 0x000000000099f768 in magma::TaskQueue::dequeue(std::atomic&) () #3 0x000000000099fb51 in magma::TaskWorker::loop(void*) () #4 0x0000000000b4bdd9 in platform_thread_wrap(void*) () #5 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 5 (Thread 0x7f2f2a7ec700 (LWP 92997)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 4 (Thread 0x7f2f297ea700 (LWP 126168)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 3 (Thread 0x7f2f91ffb700 (LWP 126169)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x7f2f29feb700 (LWP 126170)): #0 0x00007f2fb75d6bf9 in syscall () from /lib64/libc.so.6 #1 0x0000000000b9648d in folly::detail::futexWaitImpl(std::atomic const*, unsigned int, std::chrono::time_point > > const*, std::chrono::time_point > > const*, unsigned int) () #2 0x0000000000ba055a in folly::detail::FutexResult folly::detail::futexWaitUntil, std::chrono::_V2::steady_clock, std::chrono::duration > >(std::atomic const*, unsigned int, std::chrono::time_point > > const&, unsigned int) () #3 0x0000000000ba63bd in bool folly::SaturatingSemaphore::tryWaitSlow > >(std::chrono::time_point > > const&, folly::WaitOptions const&) () #4 0x0000000000ba6a26 in bool folly::detail::LifoSemBase, std::atomic>::try_wait_until > >(std::chrono::time_point > > const&) () #5 0x0000000000baa180 in folly::UnboundedBlockingQueue::try_take_for(std::chrono::duration >) () #6 0x0000000000b9e6f7 in folly::CPUThreadPoolExecutor::threadRun(std::shared_ptr) () #7 0x0000000000bb9969 in void folly::detail::function::FunctionTraits::callBig))(std::shared_ptr)> >(folly::detail::function::Data&) () #8 0x0000000000a62724 in void folly::detail::function::FunctionTraits::callBig&&)::{lambda()#1}>(folly::detail::function::Data&) () #9 0x00007f2fb7e93d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6 #10 0x00007f2fb9c9bea5 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f2fb75dc8dd in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7f2fbab12c40 (LWP 66010)): #0 0x00007f2fb75dceb3 in epoll_wait () from /lib64/libc.so.6 #1 0x00007f2fb8f703c5 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #2 0x00007f2fb8f67376 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.1.so.7 #3 0x0000000000bc0097 in folly::EventBase::loopBody(int, bool) () #4 0x0000000000bc0566 in folly::EventBase::loop() () #5 0x0000000000bc1f26 in folly::EventBase::loopForever() () #6 0x0000000000561bfb in memcached_main(int, char**) () #7 0x00007f2fb7500555 in __libc_start_main () from /lib64/libc.so.6 #8 0x000000000055a0e7 in _start () Detaching from program: /opt/couchbase/bin/memcached, process 66010 [Inferior 1 (process 66010) detached]