Bug 1234096
Summary: | rmtab file is a bottleneck when lot of clients are accessing a volume through NFS | ||
---|---|---|---|
Product: | [Community] GlusterFS | Reporter: | Niels de Vos <ndevos> |
Component: | nfs | Assignee: | Niels de Vos <ndevos> |
Status: | CLOSED CURRENTRELEASE | QA Contact: | |
Severity: | urgent | Docs Contact: | |
Priority: | unspecified | ||
Version: | 3.6.3 | CC: | bugs, gluster-bugs, rabhat |
Target Milestone: | --- | Keywords: | Triaged |
Target Release: | --- | ||
Hardware: | x86_64 | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | glusterfs-3.6.5 | Doc Type: | Bug Fix |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2015-08-27 13:06:38 UTC | Type: | Bug |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | 1169317 | ||
Bug Blocks: | 1216965, 1250544 |
Description
Niels de Vos
2015-06-21 10:06:34 UTC
REVIEW: http://review.gluster.org/11335 (nfs: make it possible to disable nfs.mount-rmtab) posted (#1) for review on release-3.6 by Niels de Vos (ndevos) REVIEW: http://review.gluster.org/11335 (nfs: make it possible to disable nfs.mount-rmtab) posted (#2) for review on release-3.6 by Raghavendra Bhat (raghavendra) REVIEW: http://review.gluster.org/11335 (nfs: make it possible to disable nfs.mount-rmtab) posted (#3) for review on release-3.6 by Raghavendra Bhat (raghavendra) COMMIT: http://review.gluster.org/11335 committed in release-3.6 by Raghavendra Bhat (raghavendra) ------ commit 21643f8427be22ab7e512acf6c6368eb8af1ec9d Author: Niels de Vos <ndevos> Date: Sun Jun 21 12:00:52 2015 +0200 nfs: make it possible to disable nfs.mount-rmtab When there are many NFS-clients doing very often mount/unmount actions, the updating of the 'rmtab' can become a bottleneck and cause delays. In these situations, the output of 'showmount' may be less important than the responsiveness of the (un)mounting. By setting 'nfs.mount-rmtab' to the value "/-", the cache file is not updated anymore, and the entries are only kept in memory. Cherry picked from commit 40407afb529f6e5fa2f79e9778c2f527122d75eb: > Cherry picked from commit 331ef6e1a86bfc0a93f8a9dec6ad35c417873849: >> BUG: 1169317 >> Change-Id: I40c4d8d754932f86fb2b1b2588843390464c773d >> Reported-by: Cyril Peponnet <cyril> >> Signed-off-by: Niels de Vos <ndevos> >> Reviewed-on: http://review.gluster.org/9223 >> Tested-by: Gluster Build System <jenkins.com> >> Reviewed-by: soumya k <skoduri> >> Reviewed-by: jiffin tony Thottan <jthottan> >> Reviewed-by: Kaleb KEITHLEY <kkeithle> > > This change also contains the fixes to the test-case from: >> >> nfs: fix spurious failure in bug-1166862.t >> >> In some environments, "showmount" could return an NFS-client that does >> not start with "1". This would cause the test-case to fail. The check is >> incorrect, the number of lines should get counted instead. >> >> Also moving the test-case to the .../nfs/... subdirectory. >> >> Cherry picked from commit ee9b35a780607daddc2832b9af5ed6bf414aebc0: >> BUG: 1166862 >> Change-Id: Ic03aa8145ca57d78aea01564466e924b03bb302a >> Signed-off-by: Niels de Vos <ndevos> >> Reviewed-on: http://review.gluster.org/10419 >> Tested-by: Gluster Build System <jenkins.com> >> Reviewed-by: Vijay Bellur <vbellur> >> > > Change-Id: I40c4d8d754932f86fb2b1b2588843390464c773d > BUG: 1215385 > Signed-off-by: Niels de Vos <ndevos> > Reviewed-on: http://review.gluster.org/10379 > Tested-by: NetBSD Build System > Tested-by: Gluster Build System <jenkins.com> > Reviewed-by: Vijay Bellur <vbellur> Change-Id: I40c4d8d754932f86fb2b1b2588843390464c773d BUG: 1234096 Signed-off-by: Niels de Vos <ndevos> Reviewed-on: http://review.gluster.org/11335 Tested-by: Gluster Build System <jenkins.com> Reviewed-by: Raghavendra Bhat <raghavendra> 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-3.6.5, please open a new bug report. glusterfs-3.6.5 has been announced on the Gluster mailinglists [1], packages for several distributions should become available in the near future. Keep an eye on the Gluster Users mailinglist [2] and the update infrastructure for your distribution. [1] http://www.gluster.org/pipermail/gluster-devel/2015-August/046570.html [2] http://thread.gmane.org/gmane.comp.file-systems.gluster.user |