[Bugs] [Bug 1509830] New: Improve performance with xattrop update.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1509830

            Bug ID: 1509830
           Summary: Improve performance with xattrop update.
           Product: Red Hat Gluster Storage
           Version: 3.4
         Component: disperse
          Severity: medium
          Priority: medium
          Assignee: aspandey at redhat.com
          Reporter: sheggodu at redhat.com
        QA Contact: nchilaka at redhat.com
                CC: aspandey at redhat.com, bugs at gluster.org,
                    jahernan at redhat.com, rhs-bugs at redhat.com,
                    storage-qa-internal at redhat.com
        Depends On: 1445663



+++ This bug was initially created as a clone of Bug #1445663 +++

Description of problem:
xattrop update on bricks is very slow.

--- Additional comment from Worker Ant on 2017-05-02 06:10:08 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#1) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-05-04 03:21:24 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#2) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-05-04 13:29:00 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#3) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-05-12 03:30:48 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#4) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-05-12 03:34:51 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#5) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-05-12 11:11:45 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#6) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-05-12 11:16:55 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#7) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-05-12 11:34:24 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#8) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-06-09 02:59:17 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#9) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-06-09 08:15:31 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#10) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-06-13 05:07:20 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#11) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-06-13 08:09:40 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#12) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-08-30 02:41:24 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#13) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-09-13 02:37:46 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#14) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-09-19 10:38:41 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#15) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-09-25 00:45:10 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#16) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-09-28 11:05:42 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#17) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-10-04 07:43:58 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#18) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-10-04 09:06:27 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#19) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-10-04 11:16:17 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#20) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-10-05 02:40:25 EDT ---

REVIEW: https://review.gluster.org/17151 (cluster/ec: Improve performance with
xattrop update) posted (#21) for review on master by Sunil Kumar Acharya
(sheggodu at redhat.com)

--- Additional comment from Worker Ant on 2017-10-05 21:42:10 EDT ---

COMMIT: https://review.gluster.org/17151 committed in master by Pranith Kumar
Karampuri (pkarampu at redhat.com) 
------
commit 12cfc1983fa1521d6da94ad488145182cf97db2c
Author: Sunil Kumar Acharya <sheggodu at redhat.com>
Date:   Fri Apr 28 18:09:01 2017 +0530

    cluster/ec: Improve performance with xattrop update

    Existing EC code updates the xattr on the subvolume
    in a sequential pattern resulting in very poor performance.

    With this fix EC now updates the xattr on the subvolume
    in parallel which improves the xattr update performance.

    BUG: 1445663
    Change-Id: I3fc40d66db0b88875ca96a9fa01002ba386c0486
    Signed-off-by: Sunil Kumar Acharya <sheggodu at redhat.com>


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1445663
[Bug 1445663] Improve performance with xattrop update.
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