[Bugs] [Bug 1309462] Upgrade from 3.7.6 to 3.7.8 causes massive drop in write performance. Fresh install of 3.7.8 also has low write performance
bugzilla at redhat.com
bugzilla at redhat.com
Tue Mar 8 14:13:52 UTC 2016
https://bugzilla.redhat.com/show_bug.cgi?id=1309462
--- Comment #36 from Vijay Bellur <vbellur at redhat.com> ---
COMMIT: http://review.gluster.org/13595 committed in master by Pranith Kumar
Karampuri (pkarampu at redhat.com)
------
commit d1d364634dce0c3dcfe9c2efc883c21af0494d0d
Author: Ravishankar N <ravishankar at redhat.com>
Date: Thu Mar 3 23:17:17 2016 +0530
afr: misc performance improvements
1. In afr_getxattr_cbk, consider the errno value before blindly
launching an inode refresh and a subsequent retry on other children.
2. We want to accuse small files only when we know for sure that there is
no
IO happening on that inode. Otherwise, the ia_sizes obtained in the
post-inode-refresh replies may mismatch due to a race between
inode-refresh and ongoing writes, causing spurious heal launches.
Change-Id: Ife180f4fa5e584808c1077aacdc2423897675d33
BUG: 1309462
Signed-off-by: Ravishankar N <ravishankar at redhat.com>
Reviewed-on: http://review.gluster.org/13595
Smoke: Gluster Build System <jenkins at build.gluster.com>
Tested-by: Pranith Kumar Karampuri <pkarampu at redhat.com>
NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
CentOS-regression: Gluster Build System <jenkins at build.gluster.com>
Reviewed-by: Krutika Dhananjay <kdhananj at redhat.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu at redhat.com>
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