@     0x7f4bd28a959f  (unknown)
    @     0x7f4bd2906d61  __syscall_cancel_arch
    @     0x7f4bd28fb377  __internal_syscall_cancel
    @     0x7f4bd28fb9eb  __futex_abstimed_wait_common
    @     0x7f4bd28fe254  ___pthread_cond_timedwait
    @     0x559a23428acf  yb::(anonymous namespace)::Worker::PopTask()
    @     0x559a23428067  yb::(anonymous namespace)::Worker::Execute()
    @     0x559a2358ffb4  yb::Thread::SuperviseThread()
    @     0x7f4bd28feac0  start_thread
    @     0x7f4bd297dcbb  __clone3

Total number of threads: 3