glusterfs.git/doc/developer-guide/thread-naming.md, branch v3.12.5 GlusterFS is a distributed file-system capable of scaling to several petabytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. libglusterfs: Name threads on creation 2017-07-19T14:16:19+00:00 Raghavendra Talur rtalur@redhat.com 2017-07-18T06:06:19+00:00 33db9aff1deaa028f30516e49fdb1e8d6e31bb73 Set names to threads on creation for easier debugging. Output of top -H -p <PID-OF-GLUSTERFSD> Before: 19773 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19774 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19775 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19776 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19777 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19778 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19779 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19780 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19781 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19782 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19783 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19784 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19785 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterfsd 19786 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterfsd 19787 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterfsd 19789 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19790 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 25178 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 5398 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 7881 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd After: 19773 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19774 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustertimer 19775 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19776 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustermemsweep 19777 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustersproc0 19778 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustersproc1 19779 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterepoll0 19780 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusteridxwrker 19781 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusteriotwr0 19782 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterbrssign 19783 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterbrswrker 19784 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterclogecon 19785 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterclogd0 19786 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterclogd1 19787 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterclogd2 19789 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterposixjan 19790 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterposixfsy 25178 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterepoll1 5398 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterepoll2 7881 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterposixhc Change-Id: Id5f333755c1ba168a2ffaa4fce6e71c375e10703 BUG: 1254002 Updates: #271 Signed-off-by: Raghavendra Talur <rtalur@redhat.com> Reviewed-on: https://review.gluster.org/11926 Reviewed-by: Prashanth Pai <ppai@redhat.com> Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Niels de Vos <ndevos@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> 
Set names to threads on creation for easier
debugging.

Output of top -H -p <PID-OF-GLUSTERFSD>
Before:
19773 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19774 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19775 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19776 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19777 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19778 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19779 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19780 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19781 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19782 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19783 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19784 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19785 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.01 glusterfsd
19786 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.01 glusterfsd
19787 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.01 glusterfsd
19789 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19790 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
25178 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
 5398 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
 7881 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd

After:
19773 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19774 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glustertimer
19775 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterfsd
19776 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glustermemsweep
19777 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glustersproc0
19778 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glustersproc1
19779 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterepoll0
19780 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusteridxwrker
19781 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusteriotwr0
19782 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterbrssign
19783 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterbrswrker
19784 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterclogecon
19785 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.01 glusterclogd0
19786 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.01 glusterclogd1
19787 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.01 glusterclogd2
19789 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterposixjan
19790 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterposixfsy
25178 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterepoll1
 5398 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterepoll2
 7881 root      20   0 1301.3m  12.6m   8.4m S  0.0  0.1   0:00.00 glusterposixhc

Change-Id: Id5f333755c1ba168a2ffaa4fce6e71c375e10703
BUG: 1254002
Updates: #271
Signed-off-by: Raghavendra Talur <rtalur@redhat.com>
Reviewed-on: https://review.gluster.org/11926
Reviewed-by: Prashanth Pai <ppai@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>