[Bugs] [Bug 1332072] values for Number of Scrubbed files, Number of Unsigned files, Last completed scrub time and Duration of last scrub are shown as zeros in bit rot scrub status
bugzilla at redhat.com
bugzilla at redhat.com
Tue May 3 12:19:05 UTC 2016
https://bugzilla.redhat.com/show_bug.cgi?id=1332072
--- Comment #8 from Vijay Bellur <vbellur at redhat.com> ---
COMMIT: http://review.gluster.org/14140 committed in release-3.7 by Venky
Shankar (vshankar at redhat.com)
------
commit 83f49e5619900a17918f1029c7a428f0cbe51813
Author: Kotresh HR <khiremat at redhat.com>
Date: Fri Apr 29 17:45:31 2016 +0530
features/bitrot: Introduce scrubber monitor thread
The patch does following changes.
1. Introduce scrubber monitor thread.
2. Move scrub status related APIs to separate file
and make part of libbitrot library.
Problem:
Earlier, each child of the scrubber was maintaining
the state machine and hence there was no way to track
the start and end time of scrubbing as each brick has
it's own start and end time. Also each brick was maintaining
it's own timer wheel instance. It was also not possible
to get scrubbed files count per session as we could not
get last child which finishes scrubbing to reset it to
zero.
Solution:
Introduce scrubber monitor thread. It does following.
1. Maintains the scrubber state machine. Earlier each
child had it's own state machine. Now, only monitor
maintains on behalf of all it's children.
2. Maintains the timer wheel instance. Earlier each
child had it's own timer wheel instance. Now, only
monitor maintains on behalf of all it's children.
As a result, we can track the scrub statistics easily
and correctly.
Backport of:
>Change-Id: Ic6e34ffa57984bd7a5ee81f4e263342bc1d9b302
>BUG: 1329211
>Signed-off-by: Kotresh HR <khiremat at redhat.com>
>Reviewed-on: http://review.gluster.org/14044
>Smoke: Gluster Build System <jenkins at build.gluster.com>
>NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
>CentOS-regression: Gluster Build System <jenkins at build.gluster.com>
>Reviewed-by: Venky Shankar <vshankar at redhat.com>
Backport of:
>http://review.gluster.org/#/c/14146
>BUG: 1332134
NOTE: The patch #14146 is a compilation warning not detected
in master branch and detected only in 3.7 branch. Since the
compilation warning is introduced by patch #14044, the above
two backports are made into this single patch.
Change-Id: I1da7a3ec673a36ae0f59dc33ac5992c74fd7a19b
BUG: 1332072
Signed-off-by: Kotresh HR <khiremat at redhat.com>
Reviewed-on: http://review.gluster.org/14140
Smoke: Gluster Build System <jenkins at build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
CentOS-regression: Gluster Build System <jenkins at build.gluster.com>
Reviewed-by: Venky Shankar <vshankar at redhat.com>
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