<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Sep 5, 2017 at 6:13 PM, Serkan Çoban <span dir="ltr"><<a href="mailto:cobanserkan@gmail.com" target="_blank">cobanserkan@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Some corrections about the previous mails. Problem does not happen<br>
when no volumes created.<br>
Problem happens volumes created but in stopped state. Problem also<br>
happens when volumes started state.<br>
Below is the 5 stack traces taken by 10 min intervals and volumes stopped state.<br></blockquote><div><br></div><div>As I mentioned earlier, this is technically not a *hang* . Due to the costly handshaking operations for too many bricks from too many nodes, the glusterd takes a quite long amount of time to finish the handshake.</div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
<br>
--1--<br>
Thread 8 (Thread 0x7f413f3a7700 (LWP 104249)):<br>
#0 0x0000003d99c0f00d in nanosleep () from /lib64/libpthread.so.0<br>
#1 0x00007f4146312d57 in gf_timer_proc () from /usr/lib64/libglusterfs.so.0<br>
#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 7 (Thread 0x7f413e9a6700 (LWP 104250)):<br>
#0 0x0000003d99c0f585 in sigwait () from /lib64/libpthread.so.0<br>
<span class="">#1 0x000000000040643b in glusterfs_sigwaiter ()<br>
</span>#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 6 (Thread 0x7f413dfa5700 (LWP 104251)):<br>
#0 0x0000003d998acc4d in nanosleep () from /lib64/libc.so.6<br>
#1 0x0000003d998acac0 in sleep () from /lib64/libc.so.6<br>
#2 0x00007f414632d8fb in pool_sweeper () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 5 (Thread 0x7f413d5a4700 (LWP 104252)):<br>
#0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f414633fafc in syncenv_task () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f414634d9f0 in syncenv_processor () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 4 (Thread 0x7f413cba3700 (LWP 104253)):<br>
#0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f414633fafc in syncenv_task () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f414634d9f0 in syncenv_processor () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 3 (Thread 0x7f413aa48700 (LWP 104255)):<br>
#0 0x0000003d99c0b68c in pthread_cond_wait@@GLIBC_2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f413befb99b in hooks_worker () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 2 (Thread 0x7f413a047700 (LWP 104256)):<br>
#0 0x00007f41462fd43d in dict_lookup_common () from<br>
/usr/lib64/libglusterfs.so.0<br>
#1 0x00007f41462ff33d in dict_set_lk () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f41462ff5f5 in dict_set () from /usr/lib64/libglusterfs.so.0<br>
#3 0x00007f414630024c in dict_set_str () from /usr/lib64/libglusterfs.so.0<br>
#4 0x00007f413be75f29 in glusterd_add_volume_to_dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#5 0x00007f413be7647c in glusterd_add_volumes_to_<wbr>export_dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#6 0x00007f413be8cedf in glusterd_rpc_friend_add () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#7 0x00007f413be4d8f7 in glusterd_ac_friend_add () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#8 0x00007f413be4bbb9 in glusterd_friend_sm () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#9 0x00007f413bea789a in __glusterd_mgmt_hndsk_version_<wbr>ack_cbk ()<br>
from /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#10 0x00007f413be8d3ee in glusterd_big_locked_cbk () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#11 0x00007f41460cfad5 in rpc_clnt_handle_reply () from /usr/lib64/libgfrpc.so.0<br>
#12 0x00007f41460d0c85 in rpc_clnt_notify () from /usr/lib64/libgfrpc.so.0<br>
#13 0x00007f41460cbd68 in rpc_transport_notify () from /usr/lib64/libgfrpc.so.0<br>
#14 0x00007f413ae8dccd in socket_event_poll_in () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
#15 0x00007f413ae8effe in socket_event_handler () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
#16 0x00007f4146362806 in event_dispatch_epoll_worker () from<br>
/usr/lib64/libglusterfs.so.0<br>
#17 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#18 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 1 (Thread 0x7f4145e9e740 (LWP 104248)):<br>
#0 0x0000003d99c082fd in pthread_join () from /lib64/libpthread.so.0<br>
#1 0x00007f41463622d5 in event_dispatch_epoll () from<br>
<span class="">/usr/lib64/libglusterfs.so.0<br>
#2 0x0000000000409020 in main ()<br>
<br>
</span>--2--<br>
Thread 8 (Thread 0x7f413f3a7700 (LWP 104249)):<br>
#0 0x0000003d99c0b68c in pthread_cond_wait@@GLIBC_2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f41463405cb in __synclock_lock () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f41463407ae in synclock_lock () from /usr/lib64/libglusterfs.so.0<br>
#3 0x00007f413be8d3df in glusterd_big_locked_cbk () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#4 0x00007f41460d04c4 in call_bail () from /usr/lib64/libgfrpc.so.0<br>
#5 0x00007f4146312cca in gf_timer_proc () from /usr/lib64/libglusterfs.so.0<br>
#6 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#7 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 7 (Thread 0x7f413e9a6700 (LWP 104250)):<br>
#0 0x0000003d99c0f585 in sigwait () from /lib64/libpthread.so.0<br>
<span class="">#1 0x000000000040643b in glusterfs_sigwaiter ()<br>
</span>#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 6 (Thread 0x7f413dfa5700 (LWP 104251)):<br>
#0 0x0000003d998acc4d in nanosleep () from /lib64/libc.so.6<br>
#1 0x0000003d998acac0 in sleep () from /lib64/libc.so.6<br>
#2 0x00007f414632d8fb in pool_sweeper () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 5 (Thread 0x7f413d5a4700 (LWP 104252)):<br>
#0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f414633fafc in syncenv_task () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f414634d9f0 in syncenv_processor () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 4 (Thread 0x7f413cba3700 (LWP 104253)):<br>
#0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f414633fafc in syncenv_task () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f414634d9f0 in syncenv_processor () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 3 (Thread 0x7f413aa48700 (LWP 104255)):<br>
#0 0x0000003d99c0b68c in pthread_cond_wait@@GLIBC_2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f413befb99b in hooks_worker () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 2 (Thread 0x7f413a047700 (LWP 104256)):<br>
#0 0x0000003d99928692 in __strcmp_sse42 () from /lib64/libc.so.6<br>
#1 0x00007f41462fd44a in dict_lookup_common () from<br>
/usr/lib64/libglusterfs.so.0<br>
#2 0x00007f41462ff33d in dict_set_lk () from /usr/lib64/libglusterfs.so.0<br>
#3 0x00007f41462ff5f5 in dict_set () from /usr/lib64/libglusterfs.so.0<br>
#4 0x00007f414630007c in dict_set_dynstr () from /usr/lib64/libglusterfs.so.0<br>
#5 0x00007f4146300124 in dict_set_dynstr_with_alloc () from<br>
/usr/lib64/libglusterfs.so.0<br>
#6 0x00007f413be7608d in glusterd_add_volume_to_dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#7 0x00007f413be7647c in glusterd_add_volumes_to_<wbr>export_dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#8 0x00007f413be8cedf in glusterd_rpc_friend_add () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#9 0x00007f413be4d8f7 in glusterd_ac_friend_add () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#10 0x00007f413be4bbb9 in glusterd_friend_sm () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#11 0x00007f413bea789a in __glusterd_mgmt_hndsk_version_<wbr>ack_cbk ()<br>
from /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#12 0x00007f413be8d3ee in glusterd_big_locked_cbk () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#13 0x00007f41460cfad5 in rpc_clnt_handle_reply () from /usr/lib64/libgfrpc.so.0<br>
#14 0x00007f41460d0c85 in rpc_clnt_notify () from /usr/lib64/libgfrpc.so.0<br>
#15 0x00007f41460cbd68 in rpc_transport_notify () from /usr/lib64/libgfrpc.so.0<br>
#16 0x00007f413ae8dccd in socket_event_poll_in () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
#17 0x00007f413ae8effe in socket_event_handler () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
#18 0x00007f4146362806 in event_dispatch_epoll_worker () from<br>
/usr/lib64/libglusterfs.so.0<br>
#19 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#20 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 1 (Thread 0x7f4145e9e740 (LWP 104248)):<br>
#0 0x0000003d99c082fd in pthread_join () from /lib64/libpthread.so.0<br>
#1 0x00007f41463622d5 in event_dispatch_epoll () from<br>
<span class="">/usr/lib64/libglusterfs.so.0<br>
#2 0x0000000000409020 in main ()<br>
<br>
</span>--3--<br>
Thread 8 (Thread 0x7f413f3a7700 (LWP 104249)):<br>
#0 0x0000003d99c0f00d in nanosleep () from /lib64/libpthread.so.0<br>
#1 0x00007f4146312d57 in gf_timer_proc () from /usr/lib64/libglusterfs.so.0<br>
#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 7 (Thread 0x7f413e9a6700 (LWP 104250)):<br>
#0 0x0000003d99c0f585 in sigwait () from /lib64/libpthread.so.0<br>
<span class="">#1 0x000000000040643b in glusterfs_sigwaiter ()<br>
</span>#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 6 (Thread 0x7f413dfa5700 (LWP 104251)):<br>
#0 0x0000003d998acc4d in nanosleep () from /lib64/libc.so.6<br>
#1 0x0000003d998acac0 in sleep () from /lib64/libc.so.6<br>
#2 0x00007f414632d8fb in pool_sweeper () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 5 (Thread 0x7f413d5a4700 (LWP 104252)):<br>
#0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f414633fafc in syncenv_task () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f414634d9f0 in syncenv_processor () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 4 (Thread 0x7f413cba3700 (LWP 104253)):<br>
#0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f414633fafc in syncenv_task () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f414634d9f0 in syncenv_processor () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 3 (Thread 0x7f413aa48700 (LWP 104255)):<br>
#0 0x0000003d99c0b68c in pthread_cond_wait@@GLIBC_2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f413befb99b in hooks_worker () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 2 (Thread 0x7f413a047700 (LWP 104256)):<br>
#0 0x0000003d9992867a in __strcmp_sse42 () from /lib64/libc.so.6<br>
#1 0x00007f41462fd44a in dict_lookup_common () from<br>
/usr/lib64/libglusterfs.so.0<br>
#2 0x00007f41462ff33d in dict_set_lk () from /usr/lib64/libglusterfs.so.0<br>
#3 0x00007f41462ff5f5 in dict_set () from /usr/lib64/libglusterfs.so.0<br>
#4 0x00007f414630024c in dict_set_str () from /usr/lib64/libglusterfs.so.0<br>
#5 0x00007f413bf3583c in gd_add_brick_snap_details_to_<wbr>dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#6 0x00007f413be760df in glusterd_add_volume_to_dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#7 0x00007f413be7647c in glusterd_add_volumes_to_<wbr>export_dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#8 0x00007f413be8cedf in glusterd_rpc_friend_add () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#9 0x00007f413be4d8f7 in glusterd_ac_friend_add () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#10 0x00007f413be4bbb9 in glusterd_friend_sm () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#11 0x00007f413bea789a in __glusterd_mgmt_hndsk_version_<wbr>ack_cbk ()<br>
from /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#12 0x00007f413be8d3ee in glusterd_big_locked_cbk () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#13 0x00007f41460cfad5 in rpc_clnt_handle_reply () from /usr/lib64/libgfrpc.so.0<br>
#14 0x00007f41460d0c85 in rpc_clnt_notify () from /usr/lib64/libgfrpc.so.0<br>
#15 0x00007f41460cbd68 in rpc_transport_notify () from /usr/lib64/libgfrpc.so.0<br>
#16 0x00007f413ae8dccd in socket_event_poll_in () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
#17 0x00007f413ae8effe in socket_event_handler () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
#18 0x00007f4146362806 in event_dispatch_epoll_worker () from<br>
/usr/lib64/libglusterfs.so.0<br>
#19 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#20 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 1 (Thread 0x7f4145e9e740 (LWP 104248)):<br>
#0 0x0000003d99c082fd in pthread_join () from /lib64/libpthread.so.0<br>
#1 0x00007f41463622d5 in event_dispatch_epoll () from<br>
<span class="">/usr/lib64/libglusterfs.so.0<br>
#2 0x0000000000409020 in main ()<br>
<br>
</span>--4--<br>
Thread 8 (Thread 0x7f413f3a7700 (LWP 104249)):<br>
#0 0x0000003d99c0f00d in nanosleep () from /lib64/libpthread.so.0<br>
#1 0x00007f4146312d57 in gf_timer_proc () from /usr/lib64/libglusterfs.so.0<br>
#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 7 (Thread 0x7f413e9a6700 (LWP 104250)):<br>
#0 0x0000003d99c0f585 in sigwait () from /lib64/libpthread.so.0<br>
<span class="">#1 0x000000000040643b in glusterfs_sigwaiter ()<br>
</span>#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 6 (Thread 0x7f413dfa5700 (LWP 104251)):<br>
#0 0x0000003d998acc4d in nanosleep () from /lib64/libc.so.6<br>
#1 0x0000003d998acac0 in sleep () from /lib64/libc.so.6<br>
#2 0x00007f414632d8fb in pool_sweeper () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 5 (Thread 0x7f413d5a4700 (LWP 104252)):<br>
#0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f414633fafc in syncenv_task () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f414634d9f0 in syncenv_processor () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 4 (Thread 0x7f413cba3700 (LWP 104253)):<br>
#0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f414633fafc in syncenv_task () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f414634d9f0 in syncenv_processor () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 3 (Thread 0x7f413aa48700 (LWP 104255)):<br>
#0 0x0000003d99c0b68c in pthread_cond_wait@@GLIBC_2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f413befb99b in hooks_worker () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 2 (Thread 0x7f413a047700 (LWP 104256)):<br>
#0 0x0000003d9992867a in __strcmp_sse42 () from /lib64/libc.so.6<br>
#1 0x00007f41462fd44a in dict_lookup_common () from<br>
/usr/lib64/libglusterfs.so.0<br>
#2 0x00007f41462ff33d in dict_set_lk () from /usr/lib64/libglusterfs.so.0<br>
#3 0x00007f41462ff5f5 in dict_set () from /usr/lib64/libglusterfs.so.0<br>
#4 0x00007f414630024c in dict_set_str () from /usr/lib64/libglusterfs.so.0<br>
#5 0x00007f413bf358c4 in gd_add_brick_snap_details_to_<wbr>dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#6 0x00007f413be760df in glusterd_add_volume_to_dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#7 0x00007f413be7647c in glusterd_add_volumes_to_<wbr>export_dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#8 0x00007f413be8cedf in glusterd_rpc_friend_add () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#9 0x00007f413be4d8f7 in glusterd_ac_friend_add () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#10 0x00007f413be4bbb9 in glusterd_friend_sm () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#11 0x00007f413bea789a in __glusterd_mgmt_hndsk_version_<wbr>ack_cbk ()<br>
from /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#12 0x00007f413be8d3ee in glusterd_big_locked_cbk () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#13 0x00007f41460cfad5 in rpc_clnt_handle_reply () from /usr/lib64/libgfrpc.so.0<br>
#14 0x00007f41460d0c85 in rpc_clnt_notify () from /usr/lib64/libgfrpc.so.0<br>
#15 0x00007f41460cbd68 in rpc_transport_notify () from /usr/lib64/libgfrpc.so.0<br>
#16 0x00007f413ae8dccd in socket_event_poll_in () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
#17 0x00007f413ae8effe in socket_event_handler () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
#18 0x00007f4146362806 in event_dispatch_epoll_worker () from<br>
/usr/lib64/libglusterfs.so.0<br>
#19 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#20 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 1 (Thread 0x7f4145e9e740 (LWP 104248)):<br>
#0 0x0000003d99c082fd in pthread_join () from /lib64/libpthread.so.0<br>
#1 0x00007f41463622d5 in event_dispatch_epoll () from<br>
<span class="">/usr/lib64/libglusterfs.so.0<br>
#2 0x0000000000409020 in main ()<br>
<br>
</span>--5--<br>
Thread 8 (Thread 0x7f413f3a7700 (LWP 104249)):<br>
#0 0x0000003d99c0f00d in nanosleep () from /lib64/libpthread.so.0<br>
#1 0x00007f4146312d57 in gf_timer_proc () from /usr/lib64/libglusterfs.so.0<br>
#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 7 (Thread 0x7f413e9a6700 (LWP 104250)):<br>
#0 0x0000003d99c0f585 in sigwait () from /lib64/libpthread.so.0<br>
<span class="">#1 0x000000000040643b in glusterfs_sigwaiter ()<br>
</span>#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 6 (Thread 0x7f413dfa5700 (LWP 104251)):<br>
#0 0x0000003d998acc4d in nanosleep () from /lib64/libc.so.6<br>
#1 0x0000003d998acac0 in sleep () from /lib64/libc.so.6<br>
#2 0x00007f414632d8fb in pool_sweeper () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 5 (Thread 0x7f413d5a4700 (LWP 104252)):<br>
#0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f414633fafc in syncenv_task () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f414634d9f0 in syncenv_processor () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 4 (Thread 0x7f413cba3700 (LWP 104253)):<br>
#0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f414633fafc in syncenv_task () from /usr/lib64/libglusterfs.so.0<br>
#2 0x00007f414634d9f0 in syncenv_processor () from /usr/lib64/libglusterfs.so.0<br>
#3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 3 (Thread 0x7f413aa48700 (LWP 104255)):<br>
#0 0x0000003d99c0b68c in pthread_cond_wait@@GLIBC_2.3.2 () from<br>
/lib64/libpthread.so.0<br>
#1 0x00007f413befb99b in hooks_worker () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 2 (Thread 0x7f413a047700 (LWP 104256)):<br>
#0 0x0000003d9992867a in __strcmp_sse42 () from /lib64/libc.so.6<br>
#1 0x00007f41462fd44a in dict_lookup_common () from<br>
/usr/lib64/libglusterfs.so.0<br>
#2 0x00007f41462ff33d in dict_set_lk () from /usr/lib64/libglusterfs.so.0<br>
#3 0x00007f41462ff5f5 in dict_set () from /usr/lib64/libglusterfs.so.0<br>
#4 0x00007f414630024c in dict_set_str () from /usr/lib64/libglusterfs.so.0<br>
#5 0x00007f413bf357fd in gd_add_brick_snap_details_to_<wbr>dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#6 0x00007f413be760df in glusterd_add_volume_to_dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#7 0x00007f413be7647c in glusterd_add_volumes_to_<wbr>export_dict () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#8 0x00007f413be8cedf in glusterd_rpc_friend_add () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#9 0x00007f413be4d8f7 in glusterd_ac_friend_add () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#10 0x00007f413be4bbb9 in glusterd_friend_sm () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#11 0x00007f413bea789a in __glusterd_mgmt_hndsk_version_<wbr>ack_cbk ()<br>
from /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#12 0x00007f413be8d3ee in glusterd_big_locked_cbk () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
#13 0x00007f41460cfad5 in rpc_clnt_handle_reply () from /usr/lib64/libgfrpc.so.0<br>
#14 0x00007f41460d0c85 in rpc_clnt_notify () from /usr/lib64/libgfrpc.so.0<br>
#15 0x00007f41460cbd68 in rpc_transport_notify () from /usr/lib64/libgfrpc.so.0<br>
#16 0x00007f413ae8dccd in socket_event_poll_in () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
#17 0x00007f413ae8effe in socket_event_handler () from<br>
/usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
#18 0x00007f4146362806 in event_dispatch_epoll_worker () from<br>
/usr/lib64/libglusterfs.so.0<br>
#19 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0<br>
#20 0x0000003d998e8bbd in clone () from /lib64/libc.so.6<br>
Thread 1 (Thread 0x7f4145e9e740 (LWP 104248)):<br>
#0 0x0000003d99c082fd in pthread_join () from /lib64/libpthread.so.0<br>
#1 0x00007f41463622d5 in event_dispatch_epoll () from<br>
<span class="im HOEnZb">/usr/lib64/libglusterfs.so.0<br>
#2 0x0000000000409020 in main ()<br>
<br>
</span><div class="HOEnZb"><div class="h5">On Mon, Sep 4, 2017 at 5:50 PM, Atin Mukherjee <<a href="mailto:amukherj@redhat.com">amukherj@redhat.com</a>> wrote:<br>
><br>
> On Mon, 4 Sep 2017 at 20:04, Serkan Çoban <<a href="mailto:cobanserkan@gmail.com">cobanserkan@gmail.com</a>> wrote:<br>
>><br>
>> I have been using a 60 server 1560 brick 3.7.11 cluster without<br>
>> problems for 1 years. I did not see this problem with it.<br>
>> Note that this problem does not happen when I install packages & start<br>
>> glusterd & peer probe and create the volumes. But after glusterd<br>
>> restart.<br>
>><br>
>> Also note that this still happens without any volumes. So it is not<br>
>> related with brick count I think...<br>
><br>
><br>
> The backtrace you shared earlier involves code path where all brick details<br>
> are synced up. So I'd be really interested to see the backtrace of this when<br>
> there are no volumes associated.<br>
><br>
>><br>
>><br>
>> On Mon, Sep 4, 2017 at 5:08 PM, Atin Mukherjee <<a href="mailto:amukherj@redhat.com">amukherj@redhat.com</a>><br>
>> wrote:<br>
>> ><br>
>> ><br>
>> > On Mon, Sep 4, 2017 at 5:28 PM, Serkan Çoban <<a href="mailto:cobanserkan@gmail.com">cobanserkan@gmail.com</a>><br>
>> > wrote:<br>
>> >><br>
>> >> >1. On 80 nodes cluster, did you reboot only one node or multiple ones?<br>
>> >> Tried both, result is same, but the logs/stacks are from stopping and<br>
>> >> starting glusterd only on one server while others are running.<br>
>> >><br>
>> >> >2. Are you sure that pstack output was always constantly pointing on<br>
>> >> > strcmp being stuck?<br>
>> >> It stays 70-80 minutes in %100 cpu consuming state, the stacks I send<br>
>> >> is from first 5-10 minutes. I will capture stack traces with 10<br>
>> >> minutes waits and send them to you tomorrow. Also with 40 servers It<br>
>> >> stays that way for 5 minutes and then returns to normal.<br>
>> >><br>
>> >> >3. Are you absolutely sure even after few hours glusterd is stuck at<br>
>> >> > the<br>
>> >> > same point?<br>
>> >> It goes to normal state after 70-80 minutes and I can run cluster<br>
>> >> commands after that. I will check this again to be sure..<br>
>> ><br>
>> ><br>
>> > So this is scalability issue you're hitting with current glusterd's<br>
>> > design.<br>
>> > As I mentioned earlier, peer handshaking can be a really costly<br>
>> > operations<br>
>> > based on you scale the cluster and hence you might experience a huge<br>
>> > delay<br>
>> > in the node bringing up all the services and be operational.<br>
>> ><br>
>> >><br>
>> >> On Mon, Sep 4, 2017 at 1:43 PM, Atin Mukherjee <<a href="mailto:amukherj@redhat.com">amukherj@redhat.com</a>><br>
>> >> wrote:<br>
>> >> ><br>
>> >> ><br>
>> >> > On Fri, Sep 1, 2017 at 8:47 AM, Milind Changire <<a href="mailto:mchangir@redhat.com">mchangir@redhat.com</a>><br>
>> >> > wrote:<br>
>> >> >><br>
>> >> >> Serkan,<br>
>> >> >> I have gone through other mails in the mail thread as well but<br>
>> >> >> responding<br>
>> >> >> to this one specifically.<br>
>> >> >><br>
>> >> >> Is this a source install or an RPM install ?<br>
>> >> >> If this is an RPM install, could you please install the<br>
>> >> >> glusterfs-debuginfo RPM and retry to capture the gdb backtrace.<br>
>> >> >><br>
>> >> >> If this is a source install, then you'll need to configure the build<br>
>> >> >> with<br>
>> >> >> --enable-debug and reinstall and retry capturing the gdb backtrace.<br>
>> >> >><br>
>> >> >> Having the debuginfo package or a debug build helps to resolve the<br>
>> >> >> function names and/or line numbers.<br>
>> >> >> --<br>
>> >> >> Milind<br>
>> >> >><br>
>> >> >><br>
>> >> >><br>
>> >> >> On Thu, Aug 24, 2017 at 11:19 AM, Serkan Çoban<br>
>> >> >> <<a href="mailto:cobanserkan@gmail.com">cobanserkan@gmail.com</a>><br>
>> >> >> wrote:<br>
>> >> >>><br>
>> >> >>> Here you can find 10 stack trace samples from glusterd. I wait 10<br>
>> >> >>> seconds between each trace.<br>
>> >> >>> <a href="https://www.dropbox.com/s/9f36goq5xn3p1yt/glusterd_pstack.zip?dl=0" rel="noreferrer" target="_blank">https://www.dropbox.com/s/<wbr>9f36goq5xn3p1yt/glusterd_<wbr>pstack.zip?dl=0</a><br>
>> >> >>><br>
>> >> >>> Content of the first stack trace is here:<br>
>> >> >>><br>
>> >> >>> Thread 8 (Thread 0x7f7a8cd4e700 (LWP 43069)):<br>
>> >> >>> #0 0x0000003aa5c0f00d in nanosleep () from /lib64/libpthread.so.0<br>
>> >> >>> #1 0x000000303f837d57 in ?? () from /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #2 0x0000003aa5c07aa1 in start_thread () from<br>
>> >> >>> /lib64/libpthread.so.0<br>
>> >> >>> #3 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6<br>
>> >> >>> Thread 7 (Thread 0x7f7a8c34d700 (LWP 43070)):<br>
>> >> >>> #0 0x0000003aa5c0f585 in sigwait () from /lib64/libpthread.so.0<br>
>> >> >>> #1 0x000000000040643b in glusterfs_sigwaiter ()<br>
>> >> >>> #2 0x0000003aa5c07aa1 in start_thread () from<br>
>> >> >>> /lib64/libpthread.so.0<br>
>> >> >>> #3 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6<br>
>> >> >>> Thread 6 (Thread 0x7f7a8b94c700 (LWP 43071)):<br>
>> >> >>> #0 0x0000003aa58acc4d in nanosleep () from /lib64/libc.so.6<br>
>> >> >>> #1 0x0000003aa58acac0 in sleep () from /lib64/libc.so.6<br>
>> >> >>> #2 0x000000303f8528fb in pool_sweeper () from<br>
>> >> >>> /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #3 0x0000003aa5c07aa1 in start_thread () from<br>
>> >> >>> /lib64/libpthread.so.0<br>
>> >> >>> #4 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6<br>
>> >> >>> Thread 5 (Thread 0x7f7a8af4b700 (LWP 43072)):<br>
>> >> >>> #0 0x0000003aa5c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 ()<br>
>> >> >>> from<br>
>> >> >>> /lib64/libpthread.so.0<br>
>> >> >>> #1 0x000000303f864afc in syncenv_task () from<br>
>> >> >>> /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #2 0x000000303f8729f0 in syncenv_processor () from<br>
>> >> >>> /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #3 0x0000003aa5c07aa1 in start_thread () from<br>
>> >> >>> /lib64/libpthread.so.0<br>
>> >> >>> #4 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6<br>
>> >> >>> Thread 4 (Thread 0x7f7a8a54a700 (LWP 43073)):<br>
>> >> >>> #0 0x0000003aa5c0ba5e in pthread_cond_timedwait@@GLIBC_<wbr>2.3.2 ()<br>
>> >> >>> from<br>
>> >> >>> /lib64/libpthread.so.0<br>
>> >> >>> #1 0x000000303f864afc in syncenv_task () from<br>
>> >> >>> /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #2 0x000000303f8729f0 in syncenv_processor () from<br>
>> >> >>> /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #3 0x0000003aa5c07aa1 in start_thread () from<br>
>> >> >>> /lib64/libpthread.so.0<br>
>> >> >>> #4 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6<br>
>> >> >>> Thread 3 (Thread 0x7f7a886ac700 (LWP 43075)):<br>
>> >> >>> #0 0x0000003aa5c0b68c in pthread_cond_wait@@GLIBC_2.3.2 () from<br>
>> >> >>> /lib64/libpthread.so.0<br>
>> >> >>> #1 0x00007f7a898a099b in ?? () from<br>
>> >> >>> /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
>> >> >>> #2 0x0000003aa5c07aa1 in start_thread () from<br>
>> >> >>> /lib64/libpthread.so.0<br>
>> >> >>> #3 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6<br>
>> >> >>> Thread 2 (Thread 0x7f7a87cab700 (LWP 43076)):<br>
>> >> >>> #0 0x0000003aa5928692 in __strcmp_sse42 () from /lib64/libc.so.6<br>
>> >> >>> #1 0x000000303f82244a in ?? () from /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #2 0x000000303f82433d in ?? () from /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #3 0x000000303f8245f5 in dict_set () from<br>
>> >> >>> /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #4 0x000000303f82524c in dict_set_str () from<br>
>> >> >>> /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #5 0x00007f7a898da7fd in ?? () from<br>
>> >> >>> /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
>> >> >>> #6 0x00007f7a8981b0df in ?? () from<br>
>> >> >>> /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
>> >> >>> #7 0x00007f7a8981b47c in ?? () from<br>
>> >> >>> /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
>> >> >>> #8 0x00007f7a89831edf in ?? () from<br>
>> >> >>> /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
>> >> >>> #9 0x00007f7a897f28f7 in ?? () from<br>
>> >> >>> /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
>> >> >>> #10 0x00007f7a897f0bb9 in ?? () from<br>
>> >> >>> /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
>> >> >>> #11 0x00007f7a8984c89a in ?? () from<br>
>> >> >>> /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
>> >> >>> #12 0x00007f7a898323ee in ?? () from<br>
>> >> >>> /usr/lib64/glusterfs/3.10.5/<wbr>xlator/mgmt/glusterd.so<br>
>> >> >>> #13 0x000000303f40fad5 in rpc_clnt_handle_reply () from<br>
>> >> >>> /usr/lib64/libgfrpc.so.0<br>
>> >> >>> #14 0x000000303f410c85 in rpc_clnt_notify () from<br>
>> >> >>> /usr/lib64/libgfrpc.so.0<br>
>> >> >>> #15 0x000000303f40bd68 in rpc_transport_notify () from<br>
>> >> >>> /usr/lib64/libgfrpc.so.0<br>
>> >> >>> #16 0x00007f7a88a6fccd in ?? () from<br>
>> >> >>> /usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
>> >> >>> #17 0x00007f7a88a70ffe in ?? () from<br>
>> >> >>> /usr/lib64/glusterfs/3.10.5/<wbr>rpc-transport/socket.so<br>
>> >> >>> #18 0x000000303f887806 in ?? () from /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #19 0x0000003aa5c07aa1 in start_thread () from<br>
>> >> >>> /lib64/libpthread.so.0<br>
>> >> >>> #20 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6<br>
>> >> >>> Thread 1 (Thread 0x7f7a93844740 (LWP 43068)):<br>
>> >> >>> #0 0x0000003aa5c082fd in pthread_join () from<br>
>> >> >>> /lib64/libpthread.so.0<br>
>> >> >>> #1 0x000000303f8872d5 in ?? () from /usr/lib64/libglusterfs.so.0<br>
>> >> >>> #2 0x0000000000409020 in main ()<br>
>> >> ><br>
>> >> ><br>
>> >> > Serkan,<br>
>> >> ><br>
>> >> > If you could answer the following questions, that would help us to<br>
>> >> > debug<br>
>> >> > this issue further:<br>
>> >> ><br>
>> >> > 1. On 80 nodes cluster, did you reboot only one node or multiple<br>
>> >> > ones?<br>
>> >> > 2. Are you sure that pstack output was always constantly pointing on<br>
>> >> > strcmp<br>
>> >> > being stuck? The reason I ask this is because on 80 nodes setup,<br>
>> >> > friend<br>
>> >> > handshake operation would be very costly due to the existing design<br>
>> >> > of<br>
>> >> > glusterd following n square mesh communication approach and making<br>
>> >> > sure<br>
>> >> > all<br>
>> >> > the configuration data is consistent across and this is the exact<br>
>> >> > reason<br>
>> >> > why<br>
>> >> > we want to move to GlusterD2.<br>
>> >> > 3. Are you absolutely sure even after few hours glusterd is stuck at<br>
>> >> > the<br>
>> >> > same point?<br>
>> >> ><br>
>> >> > Looking at the backtrace, I don't find any reason why a strcmp will<br>
>> >> > be<br>
>> >> > stuck<br>
>> >> > until and unless we're try to read through all the bricks (1600 X 3)<br>
>> >> > X<br>
>> >> > 79<br>
>> >> > times.<br>
>> >> ><br>
>> >> >>><br>
>> >> >>> On Wed, Aug 23, 2017 at 8:46 PM, Atin Mukherjee<br>
>> >> >>> <<a href="mailto:amukherj@redhat.com">amukherj@redhat.com</a>><br>
>> >> >>> wrote:<br>
>> >> >>> > Could you be able to provide the pstack dump of the glusterd<br>
>> >> >>> > process?<br>
>> >> >>> ><br>
>> >> >>> > On Wed, 23 Aug 2017 at 20:22, Atin Mukherjee<br>
>> >> >>> > <<a href="mailto:amukherj@redhat.com">amukherj@redhat.com</a>><br>
>> >> >>> > wrote:<br>
>> >> >>> >><br>
>> >> >>> >> Not yet. Gaurav will be taking a look at it tomorrow.<br>
>> >> >>> >><br>
>> >> >>> >> On Wed, 23 Aug 2017 at 20:14, Serkan Çoban<br>
>> >> >>> >> <<a href="mailto:cobanserkan@gmail.com">cobanserkan@gmail.com</a>><br>
>> >> >>> >> wrote:<br>
>> >> >>> >>><br>
>> >> >>> >>> Hi Atin,<br>
>> >> >>> >>><br>
>> >> >>> >>> Do you have time to check the logs?<br>
>> >> >>> >>><br>
>> >> >>> >>> On Wed, Aug 23, 2017 at 10:02 AM, Serkan Çoban<br>
>> >> >>> >>> <<a href="mailto:cobanserkan@gmail.com">cobanserkan@gmail.com</a>><br>
>> >> >>> >>> wrote:<br>
>> >> >>> >>> > Same thing happens with 3.12.rc0. This time perf top shows<br>
>> >> >>> >>> > hanging<br>
>> >> >>> >>> > in<br>
>> >> >>> >>> > libglusterfs.so and below is the glusterd logs, which are<br>
>> >> >>> >>> > different<br>
>> >> >>> >>> > from 3.10.<br>
>> >> >>> >>> > With 3.10.5, after 60-70 minutes CPU usage becomes normal and<br>
>> >> >>> >>> > we<br>
>> >> >>> >>> > see<br>
>> >> >>> >>> > brick processes come online and system starts to answer<br>
>> >> >>> >>> > commands<br>
>> >> >>> >>> > like<br>
>> >> >>> >>> > "gluster peer status"..<br>
>> >> >>> >>> ><br>
>> >> >>> >>> > [2017-08-23 06:46:02.150472] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.152181] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.152287] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.153503] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.153647] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.153866] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.153948] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154018] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154108] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154162] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154250] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154322] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154425] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154494] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154575] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154649] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154705] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154774] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154852] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154903] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.154995] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.155052] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:02.155141] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:27.074052] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> > [2017-08-23 06:46:27.077034] E [client_t.c:324:gf_client_ref]<br>
>> >> >>> >>> > (-->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_create+0xf1)<br>
>> >> >>> >>> > [0x7f5ae2c091b1]<br>
>> >> >>> >>> > -->/usr/lib64/libgfrpc.so.0(<wbr>rpcsvc_request_init+0x9c)<br>
>> >> >>> >>> > [0x7f5ae2c0851c]<br>
>> >> >>> >>> > -->/usr/lib64/libglusterfs.so.<wbr>0(gf_client_ref+0x1a9)<br>
>> >> >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]<br>
>> >> >>> >>> ><br>
>> >> >>> >>> > On Tue, Aug 22, 2017 at 7:00 PM, Serkan Çoban<br>
>> >> >>> >>> > <<a href="mailto:cobanserkan@gmail.com">cobanserkan@gmail.com</a>><br>
>> >> >>> >>> > wrote:<br>
>> >> >>> >>> >> I reboot multiple times, also I destroyed the gluster<br>
>> >> >>> >>> >> configuration<br>
>> >> >>> >>> >> and recreate multiple times. The behavior is same.<br>
>> >> >>> >>> >><br>
>> >> >>> >>> >> On Tue, Aug 22, 2017 at 6:47 PM, Atin Mukherjee<br>
>> >> >>> >>> >> <<a href="mailto:amukherj@redhat.com">amukherj@redhat.com</a>><br>
>> >> >>> >>> >> wrote:<br>
>> >> >>> >>> >>> My guess is there is a corruption in vol list or peer list<br>
>> >> >>> >>> >>> which<br>
>> >> >>> >>> >>> has<br>
>> >> >>> >>> >>> lead<br>
>> >> >>> >>> >>> glusterd to get into a infinite loop of traversing a<br>
>> >> >>> >>> >>> peer/volume<br>
>> >> >>> >>> >>> list<br>
>> >> >>> >>> >>> and<br>
>> >> >>> >>> >>> CPU to hog up. Again this is a guess and I've not got a<br>
>> >> >>> >>> >>> chance<br>
>> >> >>> >>> >>> to<br>
>> >> >>> >>> >>> take a<br>
>> >> >>> >>> >>> detail look at the logs and the strace output.<br>
>> >> >>> >>> >>><br>
>> >> >>> >>> >>> I believe if you get to reboot the node again the problem<br>
>> >> >>> >>> >>> will<br>
>> >> >>> >>> >>> disappear.<br>
>> >> >>> >>> >>><br>
>> >> >>> >>> >>> On Tue, 22 Aug 2017 at 20:07, Serkan Çoban<br>
>> >> >>> >>> >>> <<a href="mailto:cobanserkan@gmail.com">cobanserkan@gmail.com</a>><br>
>> >> >>> >>> >>> wrote:<br>
>> >> >>> >>> >>>><br>
>> >> >>> >>> >>>> As an addition perf top shows %80 <a href="http://libc-2.12.so" rel="noreferrer" target="_blank">libc-2.12.so</a><br>
>> >> >>> >>> >>>> __strcmp_sse42<br>
>> >> >>> >>> >>>> during<br>
>> >> >>> >>> >>>> glusterd %100 cpu usage<br>
>> >> >>> >>> >>>> Hope this helps...<br>
>> >> >>> >>> >>>><br>
>> >> >>> >>> >>>> On Tue, Aug 22, 2017 at 2:41 PM, Serkan Çoban<br>
>> >> >>> >>> >>>> <<a href="mailto:cobanserkan@gmail.com">cobanserkan@gmail.com</a>><br>
>> >> >>> >>> >>>> wrote:<br>
>> >> >>> >>> >>>> > Hi there,<br>
>> >> >>> >>> >>>> ><br>
>> >> >>> >>> >>>> > I have a strange problem.<br>
>> >> >>> >>> >>>> > Gluster version in 3.10.5, I am testing new servers.<br>
>> >> >>> >>> >>>> > Gluster<br>
>> >> >>> >>> >>>> > configuration is 16+4 EC, I have three volumes, each<br>
>> >> >>> >>> >>>> > have<br>
>> >> >>> >>> >>>> > 1600<br>
>> >> >>> >>> >>>> > bricks.<br>
>> >> >>> >>> >>>> > I can successfully create the cluster and volumes<br>
>> >> >>> >>> >>>> > without<br>
>> >> >>> >>> >>>> > any<br>
>> >> >>> >>> >>>> > problems. I write data to cluster from 100 clients for<br>
>> >> >>> >>> >>>> > 12<br>
>> >> >>> >>> >>>> > hours<br>
>> >> >>> >>> >>>> > again<br>
>> >> >>> >>> >>>> > no problem. But when I try to reboot a node, glusterd<br>
>> >> >>> >>> >>>> > process<br>
>> >> >>> >>> >>>> > hangs on<br>
>> >> >>> >>> >>>> > %100 CPU usage and seems to do nothing, no brick<br>
>> >> >>> >>> >>>> > processes<br>
>> >> >>> >>> >>>> > come<br>
>> >> >>> >>> >>>> > online. You can find strace of glusterd process for 1<br>
>> >> >>> >>> >>>> > minutes<br>
>> >> >>> >>> >>>> > here:<br>
>> >> >>> >>> >>>> ><br>
>> >> >>> >>> >>>> ><br>
>> >> >>> >>> >>>> ><br>
>> >> >>> >>> >>>> ><br>
>> >> >>> >>> >>>> > <a href="https://www.dropbox.com/s/c7bxfnbqxze1yus/gluster_strace.out?dl=0" rel="noreferrer" target="_blank">https://www.dropbox.com/s/<wbr>c7bxfnbqxze1yus/gluster_<wbr>strace.out?dl=0</a><br>
>> >> >>> >>> >>>> ><br>
>> >> >>> >>> >>>> > Here is the glusterd logs:<br>
>> >> >>> >>> >>>> ><br>
>> >> >>> >>> >>>> > <a href="https://www.dropbox.com/s/hkstb3mdeil9a5u/glusterd.log?dl=0" rel="noreferrer" target="_blank">https://www.dropbox.com/s/<wbr>hkstb3mdeil9a5u/glusterd.log?<wbr>dl=0</a><br>
>> >> >>> >>> >>>> ><br>
>> >> >>> >>> >>>> ><br>
>> >> >>> >>> >>>> > By the way, reboot of one server completes without<br>
>> >> >>> >>> >>>> > problem<br>
>> >> >>> >>> >>>> > if<br>
>> >> >>> >>> >>>> > I<br>
>> >> >>> >>> >>>> > reboot<br>
>> >> >>> >>> >>>> > the servers before creating any volumes.<br>
>> >> >>> >>> >>>> ______________________________<wbr>_________________<br>
>> >> >>> >>> >>>> Gluster-users mailing list<br>
>> >> >>> >>> >>>> <a href="mailto:Gluster-users@gluster.org">Gluster-users@gluster.org</a><br>
>> >> >>> >>> >>>> <a href="http://lists.gluster.org/mailman/listinfo/gluster-users" rel="noreferrer" target="_blank">http://lists.gluster.org/<wbr>mailman/listinfo/gluster-users</a><br>
>> >> >>> >>> >>><br>
>> >> >>> >>> >>> --<br>
>> >> >>> >>> >>> - Atin (atinm)<br>
>> >> >>> >><br>
>> >> >>> >> --<br>
>> >> >>> >> - Atin (atinm)<br>
>> >> >>> ><br>
>> >> >>> > --<br>
>> >> >>> > - Atin (atinm)<br>
>> >> >>> ______________________________<wbr>_________________<br>
>> >> >>> Gluster-users mailing list<br>
>> >> >>> <a href="mailto:Gluster-users@gluster.org">Gluster-users@gluster.org</a><br>
>> >> >>> <a href="http://lists.gluster.org/mailman/listinfo/gluster-users" rel="noreferrer" target="_blank">http://lists.gluster.org/<wbr>mailman/listinfo/gluster-users</a><br>
>> >> >><br>
>> >> >><br>
>> >> >><br>
>> >> >><br>
>> >> >> --<br>
>> >> >> Milind<br>
>> >> >><br>
>> >> ><br>
>> ><br>
>> ><br>
><br>
> --<br>
> - Atin (atinm)<br>
</div></div></blockquote></div><br></div></div>