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  1. Couchbase Server
  2. MB-13750

memcached appears to have a thread runaway using one core

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Details

    • Bug
    • Resolution: Duplicate
    • Major
    • 3.0.2
    • 3.0.1
    • memcached
    • Security Level: Public
    • None

    Description

      After a month or so of use, I note that memcached has a constant 99-100% CPU usage despite no workload.

      10s of strace -c -f -p <pid>:
      % time seconds usecs/call calls errors syscall
      ------ ----------- ----------- --------- --------- ----------------
      70.91 10.011866 11628 861 408 futex
      20.60 2.909169 45 64284 epoll_wait
      7.66 1.081836 24587 44 nanosleep
      0.76 0.106986 9726 11 10 restart_syscall
      0.06 0.009113 0 64309 recvfrom
      0.00 0.000063 0 139 sendmsg
      0.00 0.000000 0 4 sendto
      0.00 0.000000 0 24 getrusage
      0.00 0.000000 0 8 epoll_ctl
      ------ ----------- ----------- --------- --------- ----------------
      100.00 14.119033 129684 418 total

      The thread using all of the CPU regularly looks like this:

      1. for i in {1..5}

        ; do pstack 1554; sleep 1; done
        Thread 1 (process 1554):
        #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
        #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
        #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
        #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
        #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
        #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
        Thread 1 (process 1554):
        #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
        #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
        #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
        #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
        #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
        #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
        Thread 1 (process 1554):
        #0 0x0000003f6a20eb5c in recv () from /lib64/libpthread.so.0
        #1 0x0000000000415206 in conn_read ()
        #2 0x000000000040b64d in event_handler ()
        #3 0x00007f1941f15f1c in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
        #4 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
        #5 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
        #6 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
        Thread 1 (process 1554):
        #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
        #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
        #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
        #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
        #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
        #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
        Thread 1 (process 1554):
        #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
        #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
        #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
        #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
        #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
        #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6

      Really, really dumb profiling may help you understand where to start looking:
      [root@ip-10-181-112-195 bin]# for i in

      {1..10}

      ; do pstack 1520; sleep 1; done
      Thread 20 (Thread 0x7f1941cf1700 (LWP 1551)):
      #0 0x0000003f69edb5bd in read () from /lib64/libc.so.6
      #1 0x0000003f69e71ce8 in _IO_new_file_underflow () from /lib64/libc.so.6
      #2 0x0000003f69e737ee in _IO_default_uflow_internal () from /lib64/libc.so.6
      #3 0x0000003f69e67eca in _IO_getline_info_internal () from /lib64/libc.so.6
      #4 0x0000003f69e66d29 in fgets () from /lib64/libc.so.6
      #5 0x00007f1941cf2911 in check_stdin_thread () from /opt/couchbase/lib/memcached/stdin_term_handler.so
      #6 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #7 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #8 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 19 (Thread 0x7f19410ed700 (LWP 1552)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f19410efdb3 in logger_thead_main () from /opt/couchbase/lib/memcached/file_logger.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 18 (Thread 0x7f19404e0700 (LWP 1553)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 17 (Thread 0x7f193fadf700 (LWP 1554)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 16 (Thread 0x7f193f0de700 (LWP 1555)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 15 (Thread 0x7f193e6dd700 (LWP 1556)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 14 (Thread 0x7f193dcdc700 (LWP 1557)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 13 (Thread 0x7f193aa57700 (LWP 1560)):
      #0 0x0000003f69eaca3d in nanosleep () from /lib64/libc.so.6
      #1 0x0000003f69ee1cc4 in usleep () from /lib64/libc.so.6
      #2 0x00007f193d024825 in updateStatsThread () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 12 (Thread 0x7f193a056700 (LWP 1561)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 11 (Thread 0x7f1939655700 (LWP 1562)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 10 (Thread 0x7f1938c54700 (LWP 1563)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 9 (Thread 0x7f1938253700 (LWP 1564)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 8 (Thread 0x7f1937852700 (LWP 1565)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 7 (Thread 0x7f1936e51700 (LWP 1566)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 6 (Thread 0x7f1936450700 (LWP 1567)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 5 (Thread 0x7f1935a4f700 (LWP 1568)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 4 (Thread 0x7f193504e700 (LWP 1569)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 3 (Thread 0x7f193464d700 (LWP 1570)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 2 (Thread 0x7f1933a43700 (LWP 17542)):
      #0 0x0000003f6a20b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f19404e57a4 in engine_shutdown_thread () from /opt/couchbase/lib/memcached/bucket_engine.so
      #2 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #3 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #4 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 1 (Thread 0x7f1941ef47e0 (LWP 1520)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x000000000040f93c in main ()
      Thread 20 (Thread 0x7f1941cf1700 (LWP 1551)):
      #0 0x0000003f69edb5bd in read () from /lib64/libc.so.6
      #1 0x0000003f69e71ce8 in _IO_new_file_underflow () from /lib64/libc.so.6
      #2 0x0000003f69e737ee in _IO_default_uflow_internal () from /lib64/libc.so.6
      #3 0x0000003f69e67eca in _IO_getline_info_internal () from /lib64/libc.so.6
      #4 0x0000003f69e66d29 in fgets () from /lib64/libc.so.6
      #5 0x00007f1941cf2911 in check_stdin_thread () from /opt/couchbase/lib/memcached/stdin_term_handler.so
      #6 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #7 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #8 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 19 (Thread 0x7f19410ed700 (LWP 1552)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f19410efdb3 in logger_thead_main () from /opt/couchbase/lib/memcached/file_logger.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 18 (Thread 0x7f19404e0700 (LWP 1553)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 17 (Thread 0x7f193fadf700 (LWP 1554)):
      #0 0x0000003f6a2093d1 in pthread_mutex_lock () from /lib64/libpthread.so.0
      #1 0x00007f1942993bf9 in cb_mutex_enter () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x0000003f7066a437 in CRYPTO_add_lock () from /usr/lib64/libcrypto.so.10
      #3 0x0000003f706e7e02 in ?? () from /usr/lib64/libcrypto.so.10
      #4 0x00007f193fade930 in ?? ()
      #5 0x0000003f706e7d2b in ?? () from /usr/lib64/libcrypto.so.10
      #6 0x00007f193fadeb90 in ?? ()
      #7 0x00007f193fade930 in ?? ()
      #8 0x0000003f706e7feb in ?? () from /usr/lib64/libcrypto.so.10
      #9 0x00007f193fadf700 in ?? ()
      #10 0x0000000000000000 in ?? ()
      Thread 16 (Thread 0x7f193f0de700 (LWP 1555)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 15 (Thread 0x7f193e6dd700 (LWP 1556)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 14 (Thread 0x7f193dcdc700 (LWP 1557)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 13 (Thread 0x7f193aa57700 (LWP 1560)):
      #0 0x0000003f69eaca3d in nanosleep () from /lib64/libc.so.6
      #1 0x0000003f69ee1cc4 in usleep () from /lib64/libc.so.6
      #2 0x00007f193d024825 in updateStatsThread () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 12 (Thread 0x7f193a056700 (LWP 1561)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 11 (Thread 0x7f1939655700 (LWP 1562)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 10 (Thread 0x7f1938c54700 (LWP 1563)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 9 (Thread 0x7f1938253700 (LWP 1564)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 8 (Thread 0x7f1937852700 (LWP 1565)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 7 (Thread 0x7f1936e51700 (LWP 1566)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 6 (Thread 0x7f1936450700 (LWP 1567)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 5 (Thread 0x7f1935a4f700 (LWP 1568)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 4 (Thread 0x7f193504e700 (LWP 1569)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 3 (Thread 0x7f193464d700 (LWP 1570)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 2 (Thread 0x7f1933a43700 (LWP 17542)):
      #0 0x0000003f6a20b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f19404e57a4 in engine_shutdown_thread () from /opt/couchbase/lib/memcached/bucket_engine.so
      #2 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #3 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #4 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 1 (Thread 0x7f1941ef47e0 (LWP 1520)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x000000000040f93c in main ()
      Thread 20 (Thread 0x7f1941cf1700 (LWP 1551)):
      #0 0x0000003f69edb5bd in read () from /lib64/libc.so.6
      #1 0x0000003f69e71ce8 in _IO_new_file_underflow () from /lib64/libc.so.6
      #2 0x0000003f69e737ee in _IO_default_uflow_internal () from /lib64/libc.so.6
      #3 0x0000003f69e67eca in _IO_getline_info_internal () from /lib64/libc.so.6
      #4 0x0000003f69e66d29 in fgets () from /lib64/libc.so.6
      #5 0x00007f1941cf2911 in check_stdin_thread () from /opt/couchbase/lib/memcached/stdin_term_handler.so
      #6 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #7 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #8 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 19 (Thread 0x7f19410ed700 (LWP 1552)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f19410efdb3 in logger_thead_main () from /opt/couchbase/lib/memcached/file_logger.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 18 (Thread 0x7f19404e0700 (LWP 1553)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 17 (Thread 0x7f193fadf700 (LWP 1554)):
      #0 0x0000003f6a20eb5c in recv () from /lib64/libpthread.so.0
      #1 0x0000000000415206 in conn_read ()
      #2 0x000000000040b64d in event_handler ()
      #3 0x00007f1941f15f1c in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #4 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #5 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #6 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 16 (Thread 0x7f193f0de700 (LWP 1555)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 15 (Thread 0x7f193e6dd700 (LWP 1556)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 14 (Thread 0x7f193dcdc700 (LWP 1557)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 13 (Thread 0x7f193aa57700 (LWP 1560)):
      #0 0x0000003f69eaca3d in nanosleep () from /lib64/libc.so.6
      #1 0x0000003f69ee1cc4 in usleep () from /lib64/libc.so.6
      #2 0x00007f193d024825 in updateStatsThread () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 12 (Thread 0x7f193a056700 (LWP 1561)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 11 (Thread 0x7f1939655700 (LWP 1562)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 10 (Thread 0x7f1938c54700 (LWP 1563)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 9 (Thread 0x7f1938253700 (LWP 1564)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 8 (Thread 0x7f1937852700 (LWP 1565)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 7 (Thread 0x7f1936e51700 (LWP 1566)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 6 (Thread 0x7f1936450700 (LWP 1567)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 5 (Thread 0x7f1935a4f700 (LWP 1568)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 4 (Thread 0x7f193504e700 (LWP 1569)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 3 (Thread 0x7f193464d700 (LWP 1570)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 2 (Thread 0x7f1933a43700 (LWP 17542)):
      #0 0x0000003f6a20b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f19404e57a4 in engine_shutdown_thread () from /opt/couchbase/lib/memcached/bucket_engine.so
      #2 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #3 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #4 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 1 (Thread 0x7f1941ef47e0 (LWP 1520)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x000000000040f93c in main ()
      Thread 20 (Thread 0x7f1941cf1700 (LWP 1551)):
      #0 0x0000003f69edb5bd in read () from /lib64/libc.so.6
      #1 0x0000003f69e71ce8 in _IO_new_file_underflow () from /lib64/libc.so.6
      #2 0x0000003f69e737ee in _IO_default_uflow_internal () from /lib64/libc.so.6
      #3 0x0000003f69e67eca in _IO_getline_info_internal () from /lib64/libc.so.6
      #4 0x0000003f69e66d29 in fgets () from /lib64/libc.so.6
      #5 0x00007f1941cf2911 in check_stdin_thread () from /opt/couchbase/lib/memcached/stdin_term_handler.so
      #6 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #7 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #8 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 19 (Thread 0x7f19410ed700 (LWP 1552)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f19410efdb3 in logger_thead_main () from /opt/couchbase/lib/memcached/file_logger.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 18 (Thread 0x7f19404e0700 (LWP 1553)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 17 (Thread 0x7f193fadf700 (LWP 1554)):
      #0 0x0000003f6a20eb5c in recv () from /lib64/libpthread.so.0
      #1 0x0000000000415206 in conn_read ()
      #2 0x000000000040b64d in event_handler ()
      #3 0x00007f1941f15f1c in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #4 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #5 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #6 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 16 (Thread 0x7f193f0de700 (LWP 1555)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 15 (Thread 0x7f193e6dd700 (LWP 1556)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 14 (Thread 0x7f193dcdc700 (LWP 1557)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 13 (Thread 0x7f193aa57700 (LWP 1560)):
      #0 0x0000003f69eaca3d in nanosleep () from /lib64/libc.so.6
      #1 0x0000003f69ee1cc4 in usleep () from /lib64/libc.so.6
      #2 0x00007f193d024825 in updateStatsThread () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 12 (Thread 0x7f193a056700 (LWP 1561)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 11 (Thread 0x7f1939655700 (LWP 1562)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 10 (Thread 0x7f1938c54700 (LWP 1563)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 9 (Thread 0x7f1938253700 (LWP 1564)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 8 (Thread 0x7f1937852700 (LWP 1565)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 7 (Thread 0x7f1936e51700 (LWP 1566)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 6 (Thread 0x7f1936450700 (LWP 1567)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 5 (Thread 0x7f1935a4f700 (LWP 1568)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 4 (Thread 0x7f193504e700 (LWP 1569)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 3 (Thread 0x7f193464d700 (LWP 1570)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 2 (Thread 0x7f1933a43700 (LWP 17542)):
      #0 0x0000003f6a20b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f19404e57a4 in engine_shutdown_thread () from /opt/couchbase/lib/memcached/bucket_engine.so
      #2 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #3 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #4 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 1 (Thread 0x7f1941ef47e0 (LWP 1520)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x000000000040f93c in main ()
      Thread 20 (Thread 0x7f1941cf1700 (LWP 1551)):
      #0 0x0000003f69edb5bd in read () from /lib64/libc.so.6
      #1 0x0000003f69e71ce8 in _IO_new_file_underflow () from /lib64/libc.so.6
      #2 0x0000003f69e737ee in _IO_default_uflow_internal () from /lib64/libc.so.6
      #3 0x0000003f69e67eca in _IO_getline_info_internal () from /lib64/libc.so.6
      #4 0x0000003f69e66d29 in fgets () from /lib64/libc.so.6
      #5 0x00007f1941cf2911 in check_stdin_thread () from /opt/couchbase/lib/memcached/stdin_term_handler.so
      #6 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #7 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #8 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 19 (Thread 0x7f19410ed700 (LWP 1552)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f19410efdb3 in logger_thead_main () from /opt/couchbase/lib/memcached/file_logger.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 18 (Thread 0x7f19404e0700 (LWP 1553)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 17 (Thread 0x7f193fadf700 (LWP 1554)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 16 (Thread 0x7f193f0de700 (LWP 1555)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 15 (Thread 0x7f193e6dd700 (LWP 1556)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 14 (Thread 0x7f193dcdc700 (LWP 1557)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 13 (Thread 0x7f193aa57700 (LWP 1560)):
      #0 0x0000003f69eaca3d in nanosleep () from /lib64/libc.so.6
      #1 0x0000003f69ee1cc4 in usleep () from /lib64/libc.so.6
      #2 0x00007f193d024825 in updateStatsThread () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 12 (Thread 0x7f193a056700 (LWP 1561)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 11 (Thread 0x7f1939655700 (LWP 1562)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 10 (Thread 0x7f1938c54700 (LWP 1563)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 9 (Thread 0x7f1938253700 (LWP 1564)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 8 (Thread 0x7f1937852700 (LWP 1565)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 7 (Thread 0x7f1936e51700 (LWP 1566)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 6 (Thread 0x7f1936450700 (LWP 1567)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 5 (Thread 0x7f1935a4f700 (LWP 1568)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 4 (Thread 0x7f193504e700 (LWP 1569)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 3 (Thread 0x7f193464d700 (LWP 1570)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 2 (Thread 0x7f1933a43700 (LWP 17542)):
      #0 0x0000003f6a20b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f19404e57a4 in engine_shutdown_thread () from /opt/couchbase/lib/memcached/bucket_engine.so
      #2 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #3 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #4 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 1 (Thread 0x7f1941ef47e0 (LWP 1520)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x000000000040f93c in main ()
      Thread 20 (Thread 0x7f1941cf1700 (LWP 1551)):
      #0 0x0000003f69edb5bd in read () from /lib64/libc.so.6
      #1 0x0000003f69e71ce8 in _IO_new_file_underflow () from /lib64/libc.so.6
      #2 0x0000003f69e737ee in _IO_default_uflow_internal () from /lib64/libc.so.6
      #3 0x0000003f69e67eca in _IO_getline_info_internal () from /lib64/libc.so.6
      #4 0x0000003f69e66d29 in fgets () from /lib64/libc.so.6
      #5 0x00007f1941cf2911 in check_stdin_thread () from /opt/couchbase/lib/memcached/stdin_term_handler.so
      #6 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #7 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #8 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 19 (Thread 0x7f19410ed700 (LWP 1552)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f19410efdb3 in logger_thead_main () from /opt/couchbase/lib/memcached/file_logger.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 18 (Thread 0x7f19404e0700 (LWP 1553)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 17 (Thread 0x7f193fadf700 (LWP 1554)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 16 (Thread 0x7f193f0de700 (LWP 1555)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 15 (Thread 0x7f193e6dd700 (LWP 1556)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 14 (Thread 0x7f193dcdc700 (LWP 1557)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 13 (Thread 0x7f193aa57700 (LWP 1560)):
      #0 0x0000003f69eaca3d in nanosleep () from /lib64/libc.so.6
      #1 0x0000003f69ee1cc4 in usleep () from /lib64/libc.so.6
      #2 0x00007f193d024825 in updateStatsThread () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 12 (Thread 0x7f193a056700 (LWP 1561)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 11 (Thread 0x7f1939655700 (LWP 1562)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 10 (Thread 0x7f1938c54700 (LWP 1563)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 9 (Thread 0x7f1938253700 (LWP 1564)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 8 (Thread 0x7f1937852700 (LWP 1565)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 7 (Thread 0x7f1936e51700 (LWP 1566)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 6 (Thread 0x7f1936450700 (LWP 1567)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 5 (Thread 0x7f1935a4f700 (LWP 1568)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 4 (Thread 0x7f193504e700 (LWP 1569)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 3 (Thread 0x7f193464d700 (LWP 1570)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 2 (Thread 0x7f1933a43700 (LWP 17542)):
      #0 0x0000003f6a20b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f19404e57a4 in engine_shutdown_thread () from /opt/couchbase/lib/memcached/bucket_engine.so
      #2 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #3 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #4 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 1 (Thread 0x7f1941ef47e0 (LWP 1520)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x000000000040f93c in main ()
      Thread 20 (Thread 0x7f1941cf1700 (LWP 1551)):
      #0 0x0000003f69edb5bd in read () from /lib64/libc.so.6
      #1 0x0000003f69e71ce8 in _IO_new_file_underflow () from /lib64/libc.so.6
      #2 0x0000003f69e737ee in _IO_default_uflow_internal () from /lib64/libc.so.6
      #3 0x0000003f69e67eca in _IO_getline_info_internal () from /lib64/libc.so.6
      #4 0x0000003f69e66d29 in fgets () from /lib64/libc.so.6
      #5 0x00007f1941cf2911 in check_stdin_thread () from /opt/couchbase/lib/memcached/stdin_term_handler.so
      #6 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #7 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #8 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 19 (Thread 0x7f19410ed700 (LWP 1552)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f19410efdb3 in logger_thead_main () from /opt/couchbase/lib/memcached/file_logger.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 18 (Thread 0x7f19404e0700 (LWP 1553)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 17 (Thread 0x7f193fadf700 (LWP 1554)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 16 (Thread 0x7f193f0de700 (LWP 1555)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 15 (Thread 0x7f193e6dd700 (LWP 1556)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 14 (Thread 0x7f193dcdc700 (LWP 1557)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 13 (Thread 0x7f193aa57700 (LWP 1560)):
      #0 0x0000003f69eaca3d in nanosleep () from /lib64/libc.so.6
      #1 0x0000003f69ee1cc4 in usleep () from /lib64/libc.so.6
      #2 0x00007f193d024825 in updateStatsThread () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 12 (Thread 0x7f193a056700 (LWP 1561)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 11 (Thread 0x7f1939655700 (LWP 1562)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 10 (Thread 0x7f1938c54700 (LWP 1563)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 9 (Thread 0x7f1938253700 (LWP 1564)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 8 (Thread 0x7f1937852700 (LWP 1565)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 7 (Thread 0x7f1936e51700 (LWP 1566)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 6 (Thread 0x7f1936450700 (LWP 1567)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 5 (Thread 0x7f1935a4f700 (LWP 1568)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 4 (Thread 0x7f193504e700 (LWP 1569)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 3 (Thread 0x7f193464d700 (LWP 1570)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 2 (Thread 0x7f1933a43700 (LWP 17542)):
      #0 0x0000003f6a20b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f19404e57a4 in engine_shutdown_thread () from /opt/couchbase/lib/memcached/bucket_engine.so
      #2 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #3 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #4 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 1 (Thread 0x7f1941ef47e0 (LWP 1520)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x000000000040f93c in main ()
      Thread 20 (Thread 0x7f1941cf1700 (LWP 1551)):
      #0 0x0000003f69edb5bd in read () from /lib64/libc.so.6
      #1 0x0000003f69e71ce8 in _IO_new_file_underflow () from /lib64/libc.so.6
      #2 0x0000003f69e737ee in _IO_default_uflow_internal () from /lib64/libc.so.6
      #3 0x0000003f69e67eca in _IO_getline_info_internal () from /lib64/libc.so.6
      #4 0x0000003f69e66d29 in fgets () from /lib64/libc.so.6
      #5 0x00007f1941cf2911 in check_stdin_thread () from /opt/couchbase/lib/memcached/stdin_term_handler.so
      #6 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #7 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #8 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 19 (Thread 0x7f19410ed700 (LWP 1552)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f19410efdb3 in logger_thead_main () from /opt/couchbase/lib/memcached/file_logger.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 18 (Thread 0x7f19404e0700 (LWP 1553)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 17 (Thread 0x7f193fadf700 (LWP 1554)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 16 (Thread 0x7f193f0de700 (LWP 1555)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 15 (Thread 0x7f193e6dd700 (LWP 1556)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 14 (Thread 0x7f193dcdc700 (LWP 1557)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 13 (Thread 0x7f193aa57700 (LWP 1560)):
      #0 0x0000003f69eaca3d in nanosleep () from /lib64/libc.so.6
      #1 0x0000003f69ee1cc4 in usleep () from /lib64/libc.so.6
      #2 0x00007f193d024825 in updateStatsThread () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 12 (Thread 0x7f193a056700 (LWP 1561)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 11 (Thread 0x7f1939655700 (LWP 1562)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 10 (Thread 0x7f1938c54700 (LWP 1563)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 9 (Thread 0x7f1938253700 (LWP 1564)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 8 (Thread 0x7f1937852700 (LWP 1565)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 7 (Thread 0x7f1936e51700 (LWP 1566)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 6 (Thread 0x7f1936450700 (LWP 1567)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 5 (Thread 0x7f1935a4f700 (LWP 1568)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 4 (Thread 0x7f193504e700 (LWP 1569)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 3 (Thread 0x7f193464d700 (LWP 1570)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 2 (Thread 0x7f1933a43700 (LWP 17542)):
      #0 0x0000003f6a20b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f19404e57a4 in engine_shutdown_thread () from /opt/couchbase/lib/memcached/bucket_engine.so
      #2 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #3 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #4 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 1 (Thread 0x7f1941ef47e0 (LWP 1520)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x000000000040f93c in main ()
      Thread 20 (Thread 0x7f1941cf1700 (LWP 1551)):
      #0 0x0000003f69edb5bd in read () from /lib64/libc.so.6
      #1 0x0000003f69e71ce8 in _IO_new_file_underflow () from /lib64/libc.so.6
      #2 0x0000003f69e737ee in _IO_default_uflow_internal () from /lib64/libc.so.6
      #3 0x0000003f69e67eca in _IO_getline_info_internal () from /lib64/libc.so.6
      #4 0x0000003f69e66d29 in fgets () from /lib64/libc.so.6
      #5 0x00007f1941cf2911 in check_stdin_thread () from /opt/couchbase/lib/memcached/stdin_term_handler.so
      #6 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #7 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #8 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 19 (Thread 0x7f19410ed700 (LWP 1552)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f19410efdb3 in logger_thead_main () from /opt/couchbase/lib/memcached/file_logger.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 18 (Thread 0x7f19404e0700 (LWP 1553)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 17 (Thread 0x7f193fadf700 (LWP 1554)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 16 (Thread 0x7f193f0de700 (LWP 1555)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 15 (Thread 0x7f193e6dd700 (LWP 1556)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 14 (Thread 0x7f193dcdc700 (LWP 1557)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 13 (Thread 0x7f193aa57700 (LWP 1560)):
      #0 0x0000003f69eaca3d in nanosleep () from /lib64/libc.so.6
      #1 0x0000003f69ee1cc4 in usleep () from /lib64/libc.so.6
      #2 0x00007f193d024825 in updateStatsThread () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 12 (Thread 0x7f193a056700 (LWP 1561)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 11 (Thread 0x7f1939655700 (LWP 1562)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 10 (Thread 0x7f1938c54700 (LWP 1563)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 9 (Thread 0x7f1938253700 (LWP 1564)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 8 (Thread 0x7f1937852700 (LWP 1565)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 7 (Thread 0x7f1936e51700 (LWP 1566)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 6 (Thread 0x7f1936450700 (LWP 1567)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 5 (Thread 0x7f1935a4f700 (LWP 1568)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 4 (Thread 0x7f193504e700 (LWP 1569)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 3 (Thread 0x7f193464d700 (LWP 1570)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 2 (Thread 0x7f1933a43700 (LWP 17542)):
      #0 0x0000003f6a20b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f19404e57a4 in engine_shutdown_thread () from /opt/couchbase/lib/memcached/bucket_engine.so
      #2 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #3 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #4 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 1 (Thread 0x7f1941ef47e0 (LWP 1520)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x000000000040f93c in main ()
      Thread 20 (Thread 0x7f1941cf1700 (LWP 1551)):
      #0 0x0000003f69edb5bd in read () from /lib64/libc.so.6
      #1 0x0000003f69e71ce8 in _IO_new_file_underflow () from /lib64/libc.so.6
      #2 0x0000003f69e737ee in _IO_default_uflow_internal () from /lib64/libc.so.6
      #3 0x0000003f69e67eca in _IO_getline_info_internal () from /lib64/libc.so.6
      #4 0x0000003f69e66d29 in fgets () from /lib64/libc.so.6
      #5 0x00007f1941cf2911 in check_stdin_thread () from /opt/couchbase/lib/memcached/stdin_term_handler.so
      #6 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #7 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #8 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 19 (Thread 0x7f19410ed700 (LWP 1552)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f19410efdb3 in logger_thead_main () from /opt/couchbase/lib/memcached/file_logger.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 18 (Thread 0x7f19404e0700 (LWP 1553)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 17 (Thread 0x7f193fadf700 (LWP 1554)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 16 (Thread 0x7f193f0de700 (LWP 1555)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 15 (Thread 0x7f193e6dd700 (LWP 1556)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 14 (Thread 0x7f193dcdc700 (LWP 1557)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 13 (Thread 0x7f193aa57700 (LWP 1560)):
      #0 0x0000003f69eaca3d in nanosleep () from /lib64/libc.so.6
      #1 0x0000003f69ee1cc4 in usleep () from /lib64/libc.so.6
      #2 0x00007f193d024825 in updateStatsThread () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #4 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #5 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 12 (Thread 0x7f193a056700 (LWP 1561)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 11 (Thread 0x7f1939655700 (LWP 1562)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 10 (Thread 0x7f1938c54700 (LWP 1563)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 9 (Thread 0x7f1938253700 (LWP 1564)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 8 (Thread 0x7f1937852700 (LWP 1565)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 7 (Thread 0x7f1936e51700 (LWP 1566)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 6 (Thread 0x7f1936450700 (LWP 1567)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 5 (Thread 0x7f1935a4f700 (LWP 1568)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 4 (Thread 0x7f193504e700 (LWP 1569)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04678b in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 3 (Thread 0x7f193464d700 (LWP 1570)):
      #0 0x0000003f6a20b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f1942993aeb in cb_cond_timedwait () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #2 0x00007f193d04a59f in SyncObject::wait(timeval const&) () from /opt/couchbase/lib/memcached/ep.so
      #3 0x00007f193d04673e in TaskQueue::_doSleep(ExecutorThread&) () from /opt/couchbase/lib/memcached/ep.so
      #4 0x00007f193d049d9b in TaskQueue::_fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #5 0x00007f193d04a05f in TaskQueue::fetchNextTask(ExecutorThread&, bool) () from /opt/couchbase/lib/memcached/ep.so
      #6 0x00007f193d015c21 in ExecutorPool::nextTask(ExecutorThread&, unsigned char) () from /opt/couchbase/lib/memcached/ep.so
      #7 0x00007f193d025f8d in ExecutorThread::run() () from /opt/couchbase/lib/memcached/ep.so
      #8 0x00007f193d02674d in launch_executor_thread () from /opt/couchbase/lib/memcached/ep.so
      #9 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #10 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #11 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 2 (Thread 0x7f1933a43700 (LWP 17542)):
      #0 0x0000003f6a20b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1 0x00007f19404e57a4 in engine_shutdown_thread () from /opt/couchbase/lib/memcached/bucket_engine.so
      #2 0x00007f19429938ea in platform_thread_wrap () from /opt/couchbase/bin/../lib/libplatform.so.0.1.0
      #3 0x0000003f6a2079d1 in start_thread () from /lib64/libpthread.so.0
      #4 0x0000003f69ee89dd in clone () from /lib64/libc.so.6
      Thread 1 (Thread 0x7f1941ef47e0 (LWP 1520)):
      #0 0x0000003f69ee8fd3 in epoll_wait () from /lib64/libc.so.6
      #1 0x00007f1941f2a5c6 in epoll_dispatch () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #2 0x00007f1941f15e24 in event_base_loop () from /opt/couchbase/bin/../lib/libevent_core-2.0.so.5
      #3 0x000000000040f93c in main ()

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              ingenthr Matt Ingenthron
              ingenthr Matt Ingenthron
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                Created:
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                Resolved:

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