[Bugs] [Bug 1696513] New: Multiple shd processes are running on brick_mux environmet

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1696513

            Bug ID: 1696513
           Summary: Multiple shd processes are running on brick_mux
                    environmet
           Product: GlusterFS
           Version: 4.1
          Hardware: x86_64
            Status: NEW
         Component: glusterd
          Severity: high
          Priority: high
          Assignee: bugs at gluster.org
          Reporter: moagrawa at redhat.com
                CC: amukherj at redhat.com, bugs at gluster.org, pasik at iki.fi
        Depends On: 1683880
            Blocks: 1696147, 1672818 (glusterfs-6.0), 1684404
  Target Milestone: ---
    Classification: Community



+++ This bug was initially created as a clone of Bug #1683880 +++

Description of problem:
Multiple shd processes are running while created 100 volumes in brick_mux
environment

Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1. Create a 1x3 volume 
2. Enable brick_mux
3.Run below command
n1=<ip>
n2=<ip>
n3=<ip>

for i in {1..10};do
    for h in {1..20};do
                gluster v create vol-$i-$h rep 3
$n1:/home/dist/brick$h/vol-$i-$h $n2:/home/dist/brick$h/vol-$i-$h
$n3:/home/dist/brick$h/vol-$i-$h force
                gluster v start vol-$i-$h
                sleep 1
     done
done
for k in $(gluster v list|grep -v heketi);do gluster v stop $k
--mode=script;sleep 2;gluster v delete $k --mode=script;sleep 2;done

Actual results:
Multiple shd processes are running and consuming system resources

Expected results:
Only one shd process should be run

Additional info:

--- Additional comment from Mohit Agrawal on 2019-03-01 08:23:03 UTC ---

Upstream patch is posted to resolve the same
https://review.gluster.org/#/c/glusterfs/+/22290/

--- Additional comment from Atin Mukherjee on 2019-03-06 15:30:41 UTC ---

(In reply to Mohit Agrawal from comment #1)
> Upstream patch is posted to resolve the same
> https://review.gluster.org/#/c/glusterfs/+/22290/

this is an upstream bug only :-) Once the mainline patch is merged and we
backport it to release-6 branch, the bug status will be corrected.

--- Additional comment from Worker Ant on 2019-03-12 11:21:18 UTC ---

REVIEW: https://review.gluster.org/22344 (glusterfsd: Multiple shd processes
are spawned on brick_mux environment) posted (#2) for review on release-6 by
MOHIT AGRAWAL

--- Additional comment from Worker Ant on 2019-03-12 20:53:28 UTC ---

REVIEW: https://review.gluster.org/22344 (glusterfsd: Multiple shd processes
are spawned on brick_mux environment) merged (#3) on release-6 by Shyamsundar
Ranganathan

--- Additional comment from Shyamsundar on 2019-03-25 16:33:26 UTC ---

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-6.0, please open a new bug report.

glusterfs-6.0 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] https://lists.gluster.org/pipermail/announce/2019-March/000120.html
[2] https://www.gluster.org/pipermail/gluster-users/


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1672818
[Bug 1672818] GlusterFS 6.0 tracker
https://bugzilla.redhat.com/show_bug.cgi?id=1683880
[Bug 1683880] Multiple shd processes are running on brick_mux environmet
https://bugzilla.redhat.com/show_bug.cgi?id=1684404
[Bug 1684404] Multiple shd processes are running on brick_mux environmet
https://bugzilla.redhat.com/show_bug.cgi?id=1696147
[Bug 1696147] Multiple shd processes are running on brick_mux environmet
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