(gdb) info threads
  Id   Target Id         Frame
  12   LWP 25038         0x00007f7c27776e9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
  11   LWP 25037         0x00007f7c27776e9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
  10   LWP 25035         pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  9    LWP 25034         pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  8    LWP 25033         pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  7    LWP 25032         pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  6    LWP 25031         0x00007f7c26cfab5d in read () at ../sysdeps/unix/syscall-template.S:81
  5    LWP 25030         syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  4    LWP 25029         syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  3    LWP 25028         0x00007f7c27776e9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
  2    LWP 25027         0x00007f7c27776e9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
* 1    LWP 25036         0x00000000004b48b4 in Bucket::WriteCheckpoint(MetaData const&, unsigned long const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&) ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/features/src/bucket.cc:282