GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-120.el7
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
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:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /opt/couchbase/bin/memcached...Reading symbols from /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-2211.x86_64.debug...done.
done.
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	set auto-load safe-path /
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Core was generated by `/opt/couchbase/bin/memcached -C /opt/couchbase/var/lib/couchbase/config/memcach'.
#0  0x00007f70c0cdf3d7 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
55	  return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);

Thread 50 (LWP 6265):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfb2f260) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f7051ffb700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 49 (LWP 6264):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfb2f230) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f70527fc700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 48 (LWP 6263):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfb2f200) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f7052ffd700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 47 (LWP 6262):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfb2f1d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f70537fe700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 46 (LWP 6261):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfbba440) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f7053fff700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 45 (LWP 6260):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfb2f0b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f7058ff1700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 44 (LWP 6259):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfbbb700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f70597f2700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 43 (LWP 6258):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfb2f110) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f7059ff3700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 42 (LWP 6257):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfbb6160) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f705a7f4700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 41 (LWP 6256):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfb43740) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f705aff5700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 40 (LWP 6255):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfbba500) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f705b7f6700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 39 (LWP 6254):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfbb61c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f705bff7700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 38 (LWP 6248):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfb2ef90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f705c7f8700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 37 (LWP 6247):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfb2ef60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f705cff9700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 36 (LWP 6246):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfb2ef30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f705d7fa700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 35 (LWP 6245):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c16598bc in __gthread_cond_wait (__mutex=<optimized out>, __cond=<optimized out>) at /tmp/deploy/objdir/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait (this=<optimized out>, __lock=...) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00000000009c2c38 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:105
#4  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#5  0x0000000000b9fea9 in run (this=0x7f70bfb2ef00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#6  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#7  0x00007f70c3466ea5 in start_thread (arg=0x7f705dffb700) at pthread_create.c:307
#8  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 34 (LWP 6244):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00000000009c2ecf in __gthread_cond_timedwait (__abs_timeout=0x7f705e7ea960, __mutex=<optimized out>, __cond=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
#3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
#4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __rtime=..., __lock=..., this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
#5  magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:103
#6  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#7  0x0000000000b9fea9 in run (this=0x7f70bfb2eed0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#9  0x00007f70c3466ea5 in start_thread (arg=0x7f705e7fc700) at pthread_create.c:307
#10 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 33 (LWP 6243):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00000000009c2ecf in __gthread_cond_timedwait (__abs_timeout=0x7f705efeb960, __mutex=<optimized out>, __cond=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
#3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
#4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __rtime=..., __lock=..., this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
#5  magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:103
#6  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#7  0x0000000000b9fea9 in run (this=0x7f70bfb2eea0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#9  0x00007f70c3466ea5 in start_thread (arg=0x7f705effd700) at pthread_create.c:307
#10 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 32 (LWP 6242):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00000000009c2ecf in __gthread_cond_timedwait (__abs_timeout=0x7f705f7ec960, __mutex=<optimized out>, __cond=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
#3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
#4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __rtime=..., __lock=..., this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
#5  magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:103
#6  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#7  0x0000000000b9fea9 in run (this=0x7f70bfb2ee70) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#9  0x00007f70c3466ea5 in start_thread (arg=0x7f705f7fe700) at pthread_create.c:307
#10 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 31 (LWP 6241):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00000000009c2ecf in __gthread_cond_timedwait (__abs_timeout=0x7f705ffed960, __mutex=<optimized out>, __cond=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
#3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
#4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __rtime=..., __lock=..., this=0x7f70bfb4faf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
#5  magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:103
#6  0x00000000009c3021 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:179
#7  0x0000000000b9fea9 in run (this=0x7f70bfb2ee40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#9  0x00007f70c3466ea5 in start_thread (arg=0x7f705ffff700) at pthread_create.c:307
#10 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 30 (LWP 6240):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f70c2973e51 in background_thread_sleep (tsdn=<optimized out>, interval=10000000000, info=<optimized out>) at src/background_thread.c:255
#2  background_work_sleep_once (ind=<optimized out>, info=<optimized out>, tsdn=<optimized out>) at src/background_thread.c:307
#3  background_work (ind=<optimized out>, tsd=0x7f7088fe8220) at src/background_thread.c:497
#4  background_thread_entry (ind_arg=<optimized out>) at src/background_thread.c:522
#5  0x00007f70c3466ea5 in start_thread (arg=0x7f7088ff9700) at pthread_create.c:307
#6  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 29 (LWP 6238):
#0  0x00007f70c0da7fd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70c273b3c5 in epoll_dispatch (base=0x7f70bfa69500, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f70c2732376 in event_base_loop (base=0x7f70bfa69500, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
#3  0x0000000000c125a7 in folly::EventBase::loopBody (this=this@entry=0x7f70bfa7bf00, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
#4  0x0000000000c12a76 in folly::EventBase::loop (this=this@entry=0x7f70bfa7bf00) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
#5  0x0000000000c14436 in folly::EventBase::loopForever (this=0x7f70bfa7bf00) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
#6  0x0000000000c006e9 in folly::IOThreadPoolExecutor::threadRun (this=0x7f70bfa7b780, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/IOThreadPoolExecutor.cpp:195
#7  0x0000000000c0be79 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#8  __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#9  __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#10 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#11 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#12 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#13 0x00007f70c3466ea5 in start_thread (arg=0x7f70897fa700) at pthread_create.c:307
#14 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 28 (LWP 6237):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000000000beb51d in nativeFutexWaitImpl (waitMask=waitMask@entry=2315163160, absSteadyTime=absSteadyTime@entry=0x7f7089fe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f70a67db168)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f70a67db168, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f7089fe9618, waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
#3  0x0000000000bf4dda in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, 
    futex=0x7f70a67db168) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f70a67db168, expected=expected@entry=2, deadline=..., 
    waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x0000000000bf96a7 in futexWaitPreIdle<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > >, std::chrono::duration<long, std::ratio<1, 1000000000> > > (
    timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=..., _ret=<synthetic pointer>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
#6  futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, 
    deadline=..., expected=2, fut=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:151
#7  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f70a67db168, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
#8  0x0000000000bf9bd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#9  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x279b240, deadline=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
#10 0x0000000000bfc690 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x279b240)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#11 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x279b200, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
#12 0x0000000000bf3787 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfb0f800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#13 0x0000000000c0be79 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#14 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#15 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#16 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#17 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#18 0x0000000000ab4294 in operator() (this=0x7f70bfbe4c80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#19 operator() (__closure=0x7f70bfbe4c80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#20 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#21 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#22 0x00007f70c3466ea5 in start_thread (arg=0x7f7089ffb700) at pthread_create.c:307
#23 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 27 (LWP 6236):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000000000beb51d in nativeFutexWaitImpl (waitMask=waitMask@entry=2323555864, absSteadyTime=absSteadyTime@entry=0x7f708a7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f70a67db138)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f70a67db138, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f708a7ea618, waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
#3  0x0000000000bf4dda in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, 
    futex=0x7f70a67db138) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f70a67db138, expected=expected@entry=2, deadline=..., 
    waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x0000000000bf96a7 in futexWaitPreIdle<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > >, std::chrono::duration<long, std::ratio<1, 1000000000> > > (
    timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=..., _ret=<synthetic pointer>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:194
#6  futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, 
    deadline=..., expected=2, fut=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:151
#7  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f70a67db138, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
#8  0x0000000000bf9bd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#9  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x279b240, deadline=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
#10 0x0000000000bfc690 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x279b240)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#11 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x279b200, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
#12 0x0000000000bf3787 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfb0f800, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#13 0x0000000000c0be79 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#14 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#15 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#16 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#17 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#18 0x0000000000ab4294 in operator() (this=0x7f70bfbe4c40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#19 operator() (__closure=0x7f70bfbe4c40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#20 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#21 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#22 0x00007f70c3466ea5 in start_thread (arg=0x7f708a7fc700) at pthread_create.c:307
#23 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 26 (LWP 6235):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000000000beb51d in nativeFutexWaitImpl (waitMask=waitMask@entry=2331948568, absSteadyTime=absSteadyTime@entry=0x7f708afeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f70a67db120)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f70a67db120, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f708afeb618, waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
#3  0x0000000000bf4dda in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, 
    futex=0x7f70a67db120) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f70a67db120, expected=expected@entry=2, deadline=..., 
    waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x0000000000bf956d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., 
    waitMask=4294967295, deadline=..., expected=2, fut=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f70a67db120, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
#7  0x0000000000bf9bd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x279a540, deadline=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
#9  0x0000000000bfc690 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x279a540)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x279a500, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
#11 0x0000000000bf3787 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfb0ec00, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#12 0x0000000000c0be79 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#17 0x0000000000ab4294 in operator() (this=0x7f70bfbe4b80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#18 operator() (__closure=0x7f70bfbe4b80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#20 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#21 0x00007f70c3466ea5 in start_thread (arg=0x7f708affd700) at pthread_create.c:307
#22 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 25 (LWP 6234):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000000000beb51d in nativeFutexWaitImpl (waitMask=waitMask@entry=2340341272, absSteadyTime=absSteadyTime@entry=0x7f708b7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f70a67db108)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f70a67db108, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f708b7ec618, waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
#3  0x0000000000bf4dda in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, 
    futex=0x7f70a67db108) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f70a67db108, expected=expected@entry=2, deadline=..., 
    waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x0000000000bf956d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., 
    waitMask=4294967295, deadline=..., expected=2, fut=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f70a67db108, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
#7  0x0000000000bf9bd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x279a540, deadline=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
#9  0x0000000000bfc690 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x279a540)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x279a500, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
#11 0x0000000000bf3787 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfb0ec00, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#12 0x0000000000c0be79 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#17 0x0000000000ab4294 in operator() (this=0x7f70bfbe4280) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#18 operator() (__closure=0x7f70bfbe4280) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#20 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#21 0x00007f70c3466ea5 in start_thread (arg=0x7f708b7fe700) at pthread_create.c:307
#22 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 24 (LWP 6233):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000000000beb51d in nativeFutexWaitImpl (waitMask=waitMask@entry=2348733976, absSteadyTime=absSteadyTime@entry=0x7f708bfed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f70a67db0f0)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f70a67db0f0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f708bfed618, waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
#3  0x0000000000bf4dda in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, 
    futex=0x7f70a67db0f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f70a67db0f0, expected=expected@entry=2, deadline=..., 
    waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x0000000000bf956d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., 
    waitMask=4294967295, deadline=..., expected=2, fut=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f70a67db0f0, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
#7  0x0000000000bf9bd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x279a540, deadline=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
#9  0x0000000000bfc690 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x279a540)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x279a500, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
#11 0x0000000000bf3787 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfb0ec00, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#12 0x0000000000c0be79 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#17 0x0000000000ab4294 in operator() (this=0x7f70bfabff00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#18 operator() (__closure=0x7f70bfabff00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#20 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#21 0x00007f70c3466ea5 in start_thread (arg=0x7f708bfff700) at pthread_create.c:307
#22 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 23 (LWP 6232):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000000000beb51d in nativeFutexWaitImpl (waitMask=waitMask@entry=2768000536, absSteadyTime=absSteadyTime@entry=0x7f70a4fc55f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f70a67db0d8)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f70a67db0d8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f70a4fc5618, waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
#3  0x0000000000bf4dda in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, 
    futex=0x7f70a67db0d8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f70a67db0d8, expected=expected@entry=2, deadline=..., 
    waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x0000000000bf956d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., 
    waitMask=4294967295, deadline=..., expected=2, fut=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f70a67db0d8, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
#7  0x0000000000bf9bd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x279a540, deadline=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
#9  0x0000000000bfc690 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x279a540)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x279a500, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
#11 0x0000000000bf3787 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfb0ec00, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#12 0x0000000000c0be79 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#17 0x0000000000ab4294 in operator() (this=0x7f70bfabfec0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#18 operator() (__closure=0x7f70bfabfec0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#20 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#21 0x00007f70c3466ea5 in start_thread (arg=0x7f70a4fd7700) at pthread_create.c:307
#22 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (LWP 6231):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000000000beb51d in nativeFutexWaitImpl (waitMask=waitMask@entry=2776393240, absSteadyTime=absSteadyTime@entry=0x7f70a57c65f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f70a67db0c0)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f70a67db0c0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f70a57c6618, waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
#3  0x0000000000bf4dda in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, 
    futex=0x7f70a67db0c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f70a67db0c0, expected=expected@entry=2, deadline=..., 
    waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x0000000000bf956d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., 
    waitMask=4294967295, deadline=..., expected=2, fut=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f70a67db0c0, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
#7  0x0000000000bf9bd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x2799840, deadline=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
#9  0x0000000000bfc690 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x2799840)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2799800, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
#11 0x0000000000bf3787 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfb0e000, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#12 0x0000000000c0be79 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#17 0x0000000000ab4294 in operator() (this=0x7f70bfabfe00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#18 operator() (__closure=0x7f70bfabfe00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#20 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#21 0x00007f70c3466ea5 in start_thread (arg=0x7f70a57d8700) at pthread_create.c:307
#22 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (LWP 6230):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000000000beb51d in nativeFutexWaitImpl (waitMask=waitMask@entry=2784785944, absSteadyTime=absSteadyTime@entry=0x7f70a5fc75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f70a67db0a8)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f70a67db0a8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f70a5fc7618, waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
#3  0x0000000000bf4dda in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, 
    futex=0x7f70a67db0a8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f70a67db0a8, expected=expected@entry=2, deadline=..., 
    waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x0000000000bf956d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., 
    waitMask=4294967295, deadline=..., expected=2, fut=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f70a67db0a8, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
#7  0x0000000000bf9bd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x2799840, deadline=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
#9  0x0000000000bfc690 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x2799840)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2799800, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
#11 0x0000000000bf3787 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfb0e000, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#12 0x0000000000c0be79 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#17 0x0000000000ab4294 in operator() (this=0x7f70bfabfd40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#18 operator() (__closure=0x7f70bfabfd40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#20 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#21 0x00007f70c3466ea5 in start_thread (arg=0x7f70a5fd9700) at pthread_create.c:307
#22 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (LWP 6229):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000000000beb51d in nativeFutexWaitImpl (waitMask=waitMask@entry=2793178648, absSteadyTime=absSteadyTime@entry=0x7f70a67c85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f70a67db090)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f70a67db090, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f70a67c8618, waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
#3  0x0000000000bf4dda in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, 
    futex=0x7f70a67db090) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f70a67db090, expected=expected@entry=2, deadline=..., 
    waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x0000000000bf956d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., 
    waitMask=4294967295, deadline=..., expected=2, fut=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f70a67db090, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
#7  0x0000000000bf9bd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x2799840, deadline=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
#9  0x0000000000bfc690 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x2799840)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2799800, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
#11 0x0000000000bf3787 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfb0e000, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#12 0x0000000000c0be79 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#17 0x0000000000ab4294 in operator() (this=0x7f70bfabfd00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#18 operator() (__closure=0x7f70bfabfd00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#20 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#21 0x00007f70c3466ea5 in start_thread (arg=0x7f70a67da700) at pthread_create.c:307
#22 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (LWP 6228):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x0000000000beb51d in nativeFutexWaitImpl (waitMask=waitMask@entry=2898171416, absSteadyTime=absSteadyTime@entry=0x7f70acbe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f70a67db078)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f70a67db078, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f70acbe9618, waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
#3  0x0000000000bf4dda in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, 
    futex=0x7f70a67db078) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f70a67db078, expected=expected@entry=2, deadline=..., 
    waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
#5  0x0000000000bf956d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., 
    waitMask=4294967295, deadline=..., expected=2, fut=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f70a67db078, deadline=..., opt=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
#7  0x0000000000bf9bd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x2799840, deadline=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
#9  0x0000000000bfc690 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x2799840)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x2799800, time=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
#11 0x0000000000bf3787 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfb0e000, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
#12 0x0000000000c0be79 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, 
    __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#17 0x0000000000ab4294 in operator() (this=0x7f70bfabfcc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#18 operator() (__closure=0x7f70bfabfcc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#20 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#21 0x00007f70c3466ea5 in start_thread (arg=0x7f70acbfb700) at pthread_create.c:307
#22 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (LWP 6226):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f70c3468e9b in _L_lock_883 () from /lib64/libpthread.so.0
#2  0x00007f70c3468d68 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x113ff60 <google_breakpad::(anonymous namespace)::g_handler_stack_mutex_>) at ../nptl/pthread_mutex_lock.c:78
#3  0x0000000000b8ba5f in google_breakpad::ExceptionHandler::SignalHandler (sig=6, info=0x7f70adbeab30, uc=0x7f70adbeaa00) at src/client/linux/handler/exception_handler.cc:342
#4  <signal handler called>
#5  0x00007f70c0cdf3d7 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
#6  0x00007f70c0ce0ac8 in __GI_abort () at abort.c:90
#7  0x00007f70c16377f2 in __gnu_cxx::__verbose_terminate_handler() () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/vterminate.cc:50
#8  0x0000000000b4448b in backtrace_terminate_handler() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:88
#9  0x00007f70c16358f6 in __cxxabiv1::__terminate(void (*)()) () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:48
#10 0x00007f70c1635961 in std::terminate () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:58
#11 0x00007f70c1635bf4 in __cxxabiv1::__cxa_throw (obj=<optimized out>, tinfo=0x108ee10 <typeinfo for std::exception>, dest=0x7f70c1634b30 <std::exception::~exception()>) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_throw.cc:95
#12 0x00000000004cf077 in EPVBucket::setNumTotalItems (this=0x7f704a62b200, kvstore=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_vb.cc:1198
#13 0x0000000000749401 in Warmup::estimateDatabaseItemCount (this=0x7f7050b17900, shardId=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvshard.h:72
#14 0x0000000000753421 in WarmupEstimateDatabaseItemCount::run (this=0x7f70a4727590) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/warmup.cc:266
#15 0x0000000000ab7502 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
#16 0x0000000000ab4605 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f70adbeb840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
#17 0x0000000000c08ec0 in operator() (this=0x7f70adbeb840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
#18 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f70bfa5a400, thread=..., 
    task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-2211.x86_64.debug, CU 0xa39c047, DIE 0xa41ff7c>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
#19 0x0000000000bf37fa in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfa5a400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
#20 0x0000000000c0be79 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
#21 __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
#22 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#23 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#24 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
#25 0x0000000000ab4294 in operator() (this=0x7f70bfabfb40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#26 operator() (__closure=0x7f70bfabfb40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#27 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#28 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#29 0x00007f70c3466ea5 in start_thread (arg=0x7f70adbfd700) at pthread_create.c:307
#30 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (LWP 6225):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f70c3468e9b in _L_lock_883 () from /lib64/libpthread.so.0
#2  0x00007f70c3468d68 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x113ff60 <google_breakpad::(anonymous namespace)::g_handler_stack_mutex_>) at ../nptl/pthread_mutex_lock.c:78
#3  0x0000000000b8ba5f in google_breakpad::ExceptionHandler::SignalHandler (sig=6, info=0x7f70ae3ebb30, uc=0x7f70ae3eba00) at src/client/linux/handler/exception_handler.cc:342
#4  <signal handler called>
#5  0x00007f70c0cdf3d7 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
#6  0x00007f70c0ce0ac8 in __GI_abort () at abort.c:90
#7  0x00007f70c16377f2 in __gnu_cxx::__verbose_terminate_handler() () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/vterminate.cc:50
#8  0x0000000000b4448b in backtrace_terminate_handler() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:88
#9  0x00007f70c16358f6 in __cxxabiv1::__terminate(void (*)()) () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:48
#10 0x00007f70c1635961 in std::terminate () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:58
#11 0x00007f70c1635bf4 in __cxxabiv1::__cxa_throw (obj=<optimized out>, tinfo=0x108ee10 <typeinfo for std::exception>, dest=0x7f70c1634b30 <std::exception::~exception()>) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_throw.cc:95
#12 0x00000000004cf077 in EPVBucket::setNumTotalItems (this=0x7f704a56d700, kvstore=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_vb.cc:1198
#13 0x0000000000749401 in Warmup::estimateDatabaseItemCount (this=0x7f7050b17900, shardId=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvshard.h:72
#14 0x0000000000753421 in WarmupEstimateDatabaseItemCount::run (this=0x7f70a41b59b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/warmup.cc:266
#15 0x0000000000ab7502 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
#16 0x0000000000ab4605 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f70ae3ec840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
#17 0x0000000000c08ec0 in operator() (this=0x7f70ae3ec840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
#18 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f70bfa5a400, thread=..., 
    task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-2211.x86_64.debug, CU 0xa39c047, DIE 0xa41ff7c>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
#19 0x0000000000bf37fa in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfa5a400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
#20 0x0000000000c0be79 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
#21 __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
#22 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#23 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#24 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
#25 0x0000000000ab4294 in operator() (this=0x7f70bfabfb00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#26 operator() (__closure=0x7f70bfabfb00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#27 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#28 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#29 0x00007f70c3466ea5 in start_thread (arg=0x7f70ae3fe700) at pthread_create.c:307
#30 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (LWP 6224):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f70c3468e9b in _L_lock_883 () from /lib64/libpthread.so.0
#2  0x00007f70c3468d68 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x113ff60 <google_breakpad::(anonymous namespace)::g_handler_stack_mutex_>) at ../nptl/pthread_mutex_lock.c:78
#3  0x0000000000b8ba5f in google_breakpad::ExceptionHandler::SignalHandler (sig=6, info=0x7f70aebecb30, uc=0x7f70aebeca00) at src/client/linux/handler/exception_handler.cc:342
#4  <signal handler called>
#5  0x00007f70c0cdf3d7 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
#6  0x00007f70c0ce0ac8 in __GI_abort () at abort.c:90
#7  0x00007f70c162a63c in __gnu_cxx::__verbose_terminate_handler () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/vterminate.cc:95
#8  0x0000000000b4448b in backtrace_terminate_handler() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:88
#9  0x00007f70c16358f6 in __cxxabiv1::__terminate(void (*)()) () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:48
#10 0x00007f70c1635961 in std::terminate () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:58
#11 0x00007f70c1635bf4 in __cxxabiv1::__cxa_throw (obj=<optimized out>, tinfo=0x108ee10 <typeinfo for std::exception>, dest=0x7f70c1634b30 <std::exception::~exception()>) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_throw.cc:95
#12 0x00000000004cf077 in EPVBucket::setNumTotalItems (this=0x7f704a4e0200, kvstore=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_vb.cc:1198
#13 0x0000000000749401 in Warmup::estimateDatabaseItemCount (this=0x7f7050b17900, shardId=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvshard.h:72
#14 0x0000000000753421 in WarmupEstimateDatabaseItemCount::run (this=0x7f7088620810) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/warmup.cc:266
#15 0x0000000000ab7502 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
#16 0x0000000000ab4605 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f70aebed840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
#17 0x0000000000c08ec0 in operator() (this=0x7f70aebed840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
#18 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f70bfa5a400, thread=..., 
    task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-2211.x86_64.debug, CU 0xa39c047, DIE 0xa41ff7c>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
#19 0x0000000000bf37fa in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfa5a400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
#20 0x0000000000c0be79 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
#21 __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
#22 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#23 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#24 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
#25 0x0000000000ab4294 in operator() (this=0x7f70bfabfac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#26 operator() (__closure=0x7f70bfabfac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#27 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#28 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#29 0x00007f70c3466ea5 in start_thread (arg=0x7f70aebff700) at pthread_create.c:307
#30 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (LWP 6223):
#0  0x00007f70c0da7fd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70c273b3c5 in epoll_dispatch (base=0x7f70bfa69200, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f70c2732376 in event_base_loop (base=0x7f70bfa69200, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
#3  0x0000000000c125a7 in folly::EventBase::loopBody (this=this@entry=0x7f70bfa72380, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
#4  0x0000000000c12a76 in folly::EventBase::loop (this=this@entry=0x7f70bfa72380) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
#5  0x0000000000c14436 in folly::EventBase::loopForever (this=this@entry=0x7f70bfa72380) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
#6  0x00000000005b13a9 in worker_libevent (arg=0x7f70bfa72370) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
#7  0x0000000000b9fea9 in run (this=0x7f70bfa29100) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#9  0x00007f70c3466ea5 in start_thread (arg=0x7f70b4ff9700) at pthread_create.c:307
#10 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (LWP 6222):
#0  0x00007f70c0da7fd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70c273b3c5 in epoll_dispatch (base=0x7f70bfa68f00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f70c2732376 in event_base_loop (base=0x7f70bfa68f00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
#3  0x0000000000c125a7 in folly::EventBase::loopBody (this=this@entry=0x7f70bfa717b0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
#4  0x0000000000c12a76 in folly::EventBase::loop (this=this@entry=0x7f70bfa717b0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
#5  0x0000000000c14436 in folly::EventBase::loopForever (this=this@entry=0x7f70bfa717b0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
#6  0x00000000005b13a9 in worker_libevent (arg=0x7f70bfa717a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
#7  0x0000000000b9fea9 in run (this=0x7f70bfa290d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#9  0x00007f70c3466ea5 in start_thread (arg=0x7f70b57fa700) at pthread_create.c:307
#10 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (LWP 6221):
#0  0x00007f70c0da7fd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70c273b3c5 in epoll_dispatch (base=0x7f70bfa68c00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f70c2732376 in event_base_loop (base=0x7f70bfa68c00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
#3  0x0000000000c125a7 in folly::EventBase::loopBody (this=this@entry=0x7f70bfa70be0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
#4  0x0000000000c12a76 in folly::EventBase::loop (this=this@entry=0x7f70bfa70be0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
#5  0x0000000000c14436 in folly::EventBase::loopForever (this=this@entry=0x7f70bfa70be0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
#6  0x00000000005b13a9 in worker_libevent (arg=0x7f70bfa70bd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
#7  0x0000000000b9fea9 in run (this=0x7f70bfa28dd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#9  0x00007f70c3466ea5 in start_thread (arg=0x7f70b5ffb700) at pthread_create.c:307
#10 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (LWP 6220):
#0  0x00007f70c0da7fd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70c273b3c5 in epoll_dispatch (base=0x7f70bfa68900, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f70c2732376 in event_base_loop (base=0x7f70bfa68900, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
#3  0x0000000000c125a7 in folly::EventBase::loopBody (this=this@entry=0x7f70bfa70010, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
#4  0x0000000000c12a76 in folly::EventBase::loop (this=this@entry=0x7f70bfa70010) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
#5  0x0000000000c14436 in folly::EventBase::loopForever (this=this@entry=0x7f70bfa70010) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
#6  0x00000000005b13a9 in worker_libevent (arg=0x7f70bfa70000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
#7  0x0000000000b9fea9 in run (this=0x7f70bfa28f20) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#9  0x00007f70c3466ea5 in start_thread (arg=0x7f70b67fc700) at pthread_create.c:307
#10 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (LWP 6219):
#0  0x00007f70c0d9cccd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000000add408 in master_thread_run (ctx=0x27955b0) 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:19291
#2  master_thread (thread_func_param=0x27955b0) 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:19386
#3  0x00007f70c3466ea5 in start_thread (arg=0x7f70bd67c700) at pthread_create.c:307
#4  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (LWP 6218):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000000000ae649b in consume_socket (thread_index=<optimized out>, sp=0x2794748, ctx=0x27955b0)
    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:18846
#2  worker_thread_run (conn=0x2793e58) 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:18987
#3  worker_thread (thread_func_param=0x2793e58) 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:19145
#4  0x00007f70c3466ea5 in start_thread (arg=0x7f70bce7b700) at pthread_create.c:307
#5  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (LWP 6217):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000000000ae649b in consume_socket (thread_index=<optimized out>, sp=0x2793d60, ctx=0x27955b0)
    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:18846
#2  worker_thread_run (conn=0x2793470) 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:18987
#3  worker_thread (thread_func_param=0x2793470) 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:19145
#4  0x00007f70c3466ea5 in start_thread (arg=0x7f70b7fff700) at pthread_create.c:307
#5  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (LWP 6216):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000000000067c387 in __gthread_cond_timedwait (__abs_timeout=0x7f70b6feb9b0, __mutex=<optimized out>, __cond=0x7f70bfa9fcf8) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7f70bfa9fcf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
#3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f70bfa9fcf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
#4  wait_for<long, std::ratio<1> > (__rtime=..., __rtime=..., __lock=..., this=0x7f70bfa9fcf8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
#5  AuditImpl::consume_events() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/auditd/src/audit.cc:411
#6  0x0000000000b9fea9 in run (this=0x7f70bfa28bf0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#7  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#8  0x00007f70c3466ea5 in start_thread (arg=0x7f70b6ffd700) at pthread_create.c:307
#9  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (LWP 6215):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00000000005f38d6 in __gthread_cond_timedwait (__abs_timeout=0x7f70b77ec980, __mutex=0x7f70bfa7b350, __cond=0x7f70bfa7b378) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=<synthetic pointer>, __lock=<synthetic pointer>, __atime=<synthetic pointer>, this=0x7f70bfa7b378) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
#3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=<synthetic pointer>, this=0x7f70bfa7b378) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
#4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=<synthetic pointer>, __lock=<synthetic pointer>, this=0x7f70bfa7b378) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
#5  ExternalAuthManagerThread::run() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/external_auth_manager_thread.cc:91
#6  0x0000000000bb64e3 in Couchbase::Thread::thread_entry() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:38
#7  0x0000000000b9fea9 in run (this=0x7f70bfa28c50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#9  0x00007f70c3466ea5 in start_thread (arg=0x7f70b77fe700) at pthread_create.c:307
#10 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (LWP 6211):
#0  0x00007f70c0d9cccd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00000000005ac181 in get_command (buffsize=80, buffer=0x7f70bde6b990 "") at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:57
#2  check_stdin_thread (arg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:98
#3  0x0000000000b9fea9 in run (this=0x7f70bfa28890) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
#4  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
#5  0x00007f70c3466ea5 in start_thread (arg=0x7f70bde7d700) at pthread_create.c:307
#6  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (LWP 6210):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x0000000000b6706a in __gthread_cond_timedwait (__abs_timeout=0x7f70be66c9b0, __mutex=<optimized out>, __cond=0x7f70bfa20268) at /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:871
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f70bfa20268) at /usr/local/include/c++/7.3.0/condition_variable:166
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f70bfa20268) at /usr/local/include/c++/7.3.0/condition_variable:106
#4  wait_until<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> >, spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()>::<lambda()> > (__p=..., 
    __atime=..., __lock=..., this=0x7f70bfa20268) at /usr/local/include/c++/7.3.0/condition_variable:129
#5  wait_for<long int, std::ratio<1>, spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()>::<lambda()> > (__p=..., __rtime=..., __lock=..., this=0x7f70bfa20268)
    at /usr/local/include/c++/7.3.0/condition_variable:145
#6  operator() (__closure=0x7f70bfa2fa48) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/spdlog/spdlog-prefix/src/spdlog/include/spdlog/details/periodic_worker-inl.h:25
#7  __invoke_impl<void, spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#8  __invoke<spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#9  _M_invoke<0> (this=0x7f70bfa2fa48) at /usr/local/include/c++/7.3.0/thread:234
#10 operator() (this=0x7f70bfa2fa48) at /usr/local/include/c++/7.3.0/thread:243
#11 std::thread::_State_impl<std::thread::_Invoker<std::tuple<spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()> > > >::_M_run(void) (this=0x7f70bfa2fa40)
    at /usr/local/include/c++/7.3.0/thread:186
#12 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#13 0x00007f70c3466ea5 in start_thread (arg=0x7f70be67e700) at pthread_create.c:307
#14 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (LWP 6209):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x0000000000b672aa in __gthread_cond_timedwait (__abs_timeout=0x7f70bee6d800, __mutex=<optimized out>, __cond=0x7f70bfa35538) at /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:871
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f70bfa35538) at /usr/local/include/c++/7.3.0/condition_variable:166
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f70bfa35538) at /usr/local/include/c++/7.3.0/condition_variable:106
#4  wait_until<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> >, spdlog::details::mpmc_blocking_queue<T>::dequeue_for(T&, std::chrono::milliseconds) [with T = spdlog::details::async_msg]::<lambda()> > (
    __p=..., __atime=..., __lock=..., this=0x7f70bfa35538) at /usr/local/include/c++/7.3.0/condition_variable:129
#5  wait_for<long int, std::ratio<1, 1000>, spdlog::details::mpmc_blocking_queue<T>::dequeue_for(T&, std::chrono::milliseconds) [with T = spdlog::details::async_msg]::<lambda()> > (__p=..., __rtime=<synthetic pointer>, __lock=..., this=0x7f70bfa35538)
    at /usr/local/include/c++/7.3.0/condition_variable:145
#6  dequeue_for (wait_duration=..., popped_item=..., this=0x7f70bfa35510) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/spdlog/spdlog-prefix/src/spdlog/include/spdlog/details/mpmc_blocking_q.h:58
#7  spdlog::details::thread_pool::process_next_msg_ (this=this@entry=0x7f70bfa35510) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/spdlog/spdlog-prefix/src/spdlog/include/spdlog/details/thread_pool-inl.h:99
#8  0x0000000000b675f8 in worker_loop_ (this=0x7f70bfa35510) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/spdlog/spdlog-prefix/src/spdlog/include/spdlog/details/thread_pool-inl.h:90
#9  operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/spdlog/spdlog-prefix/src/spdlog/include/spdlog/details/thread_pool-inl.h:28
#10 __invoke_impl<void, spdlog::details::thread_pool::thread_pool(size_t, size_t, std::function<void()>)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
#11 __invoke<spdlog::details::thread_pool::thread_pool(size_t, size_t, std::function<void()>)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#12 _M_invoke<0> (this=<optimized out>) at /usr/local/include/c++/7.3.0/thread:234
#13 operator() (this=<optimized out>) at /usr/local/include/c++/7.3.0/thread:243
#14 std::thread::_State_impl<std::thread::_Invoker<std::tuple<spdlog::details::thread_pool::thread_pool(size_t, size_t, std::function<void()>)::<lambda()> > > >::_M_run(void) (this=<optimized out>) at /usr/local/include/c++/7.3.0/thread:186
#15 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#16 0x00007f70c3466ea5 in start_thread (arg=0x7f70bee7f700) at pthread_create.c:307
#17 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (LWP 6208):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f70c29745a7 in background_thread_sleep (tsdn=<optimized out>, interval=10000000000, info=<optimized out>) at src/background_thread.c:255
#2  background_work_sleep_once (ind=0, info=<optimized out>, tsdn=<optimized out>) at src/background_thread.c:307
#3  background_thread0_work (tsd=0x7f70c03ee220) at src/background_thread.c:452
#4  background_work (ind=<optimized out>, tsd=0x7f70c03ee220) at src/background_thread.c:490
#5  background_thread_entry (ind_arg=<optimized out>) at src/background_thread.c:522
#6  0x00007f70c3466ea5 in start_thread (arg=0x7f70c03ff700) at pthread_create.c:307
#7  0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (LWP 6207):
#0  0x00007f70c0da7fd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70c273b3c5 in epoll_dispatch (base=0x7f70bfa68300, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
#2  0x00007f70c2732376 in event_base_loop (base=0x7f70bfa68300, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
#3  0x0000000000c125a7 in folly::EventBase::loopBody (this=this@entry=0x7f70bfa7b500, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
#4  0x0000000000c12a76 in folly::EventBase::loop (this=this@entry=0x7f70bfa7b500) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
#5  0x0000000000c14436 in folly::EventBase::loopForever (this=0x7f70bfa7b500) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
#6  0x0000000000569c4b in memcached_main(int, char**) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/memcached.cc:1033
#7  0x00007f70c0ccb555 in __libc_start_main (main=0x53f560 <main(int, char**)>, argc=3, argv=0x7ffc1026d7b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc1026d7a8) at ../csu/libc-start.c:266
#8  0x0000000000561ee7 in _start () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/char_traits.h:322

Thread 1 (LWP 6227):
#0  0x00007f70c0cdf3d7 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:55
#1  0x00007f70c0ce0ac8 in __GI_abort () at abort.c:90
#2  0x00007f70c16377f2 in __gnu_cxx::__verbose_terminate_handler() () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/vterminate.cc:50
#3  0x0000000000b4448b in backtrace_terminate_handler() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:88
#4  0x00007f70c16358f6 in __cxxabiv1::__terminate(void (*)()) () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:48
#5  0x00007f70c1635961 in std::terminate () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:58
#6  0x00007f70c1635bf4 in __cxxabiv1::__cxa_throw (obj=<optimized out>, tinfo=0x108ee10 <typeinfo for std::exception>, dest=0x7f70c1634b30 <std::exception::~exception()>) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_throw.cc:95
#7  0x00000000004cf077 in EPVBucket::setNumTotalItems (this=0x7f704a578700, kvstore=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_vb.cc:1198
#8  0x0000000000749401 in Warmup::estimateDatabaseItemCount (this=0x7f7050b17900, shardId=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvshard.h:72
#9  0x0000000000753421 in WarmupEstimateDatabaseItemCount::run (this=0x7f70a41b4d30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/warmup.cc:266
#10 0x0000000000ab7502 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
#11 0x0000000000ab4605 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f70ad3ea840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
#12 0x0000000000c08ec0 in operator() (this=0x7f70ad3ea840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
#13 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f70bfa5a400, thread=..., 
    task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-2211.x86_64.debug, CU 0xa39c047, DIE 0xa41ff7c>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
#14 0x0000000000bf37fa in folly::CPUThreadPoolExecutor::threadRun (this=0x7f70bfa5a400, thread=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
#15 0x0000000000c0be79 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
#16 __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
#17 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#18 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#19 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
#20 0x0000000000ab4294 in operator() (this=0x7f70bfabfbc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#21 operator() (__closure=0x7f70bfabfbc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
#22 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#23 0x00007f70c165ed40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#24 0x00007f70c3466ea5 in start_thread (arg=0x7f70ad3fc700) at pthread_create.c:307
#25 0x00007f70c0da79fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No core file now.