Description of problem:
To resolve a fd from client requests, need to take a mutex lock for the fdtable to do the lookup. When a user is busy doing read and write, the mutex lock could introduce contention.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
REVIEW: https://review.gluster.org/18887 (libglusterfs: use rwlock for fdtable) posted (#1) for review on master by Zhang Huan
COMMIT: https://review.gluster.org/18887 committed in master by \"Zhang Huan\" <email@example.com> with a commit message- libglusterfs: use rwlock for fdtable
To resolve a fd from client requests, need to take a mutex lock for the
fdtable to do the lookup. When a client is busy doing read and write,
the mutex lock could introduce contention. Therefore, use rwlock instead
of mutex to reduce the contention.
Signed-off-by: Zhang Huan <firstname.lastname@example.org>
This bug is getting closed because a release has been made available that should address the reported issue. In case the problem is still not fixed with glusterfs-4.0.0, please open a new bug report.
glusterfs-4.0.0 has been announced on the Gluster mailinglists , packages for several distributions should become available in the near future. Keep an eye on the Gluster Users mailinglist  and the update infrastructure for your distribution.