[Bugs] [Bug 1552360] New: memory leak in pre-op in replicate volumes for every write

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1552360

            Bug ID: 1552360
           Summary: memory leak in pre-op in replicate volumes for every
                    write
           Product: Red Hat Gluster Storage
           Version: 3.4
         Component: replicate
          Assignee: ravishankar at redhat.com
          Reporter: pkarampu at redhat.com
        QA Contact: nchilaka at redhat.com
                CC: bugs at gluster.org, rhs-bugs at redhat.com,
                    storage-qa-internal at redhat.com
        Depends On: 1550078
            Blocks: 1550808



+++ This bug was initially created as a clone of Bug #1550078 +++

Description of problem:
When glusterfs is git cloned on the volume, we see lot of dict leaks
root at dhcp35-190 - ~ 
18:48:02 :) ⚡ grep -w num_allocs
/var/run/gluster/glusterdump.3513.dump.1519822531 | cut -f2 -d'=' | sort -n |
tail -10
334
334
442
442
18656
18656
18656
18656
18656
18656

After fix, for the same workload:
root at dhcp35-190 - ~ 
18:48:07 :) ⚡ grep -w num_allocs
/var/run/gluster/glusterdump.12424.dump.1519823735 | cut -f2 -d'=' | sort -n |
tail -10
26
29
54
89
324
324
334
334
442
442

This is a regression we missed in:
https://review.gluster.org/#/q/ba149bac92d169ae2256dbc75202dc9e5d06538e

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


How reproducible:


Steps to Reproduce:
1.
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Actual results:


Expected results:


Additional info:

--- Additional comment from Worker Ant on 2018-02-28 08:24:39 EST ---

REVIEW: https://review.gluster.org/19647 (cluster/afr: Fix dict-leak in pre-op)
posted (#1) for review on master by Pranith Kumar Karampuri


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1550078
[Bug 1550078] memory leak in pre-op in replicate volumes for every write
https://bugzilla.redhat.com/show_bug.cgi?id=1550808
[Bug 1550808] memory leak in pre-op in replicate volumes for every write
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