[Bugs] [Bug 1195668] New: Perf: DHT errors filling logs when perf tests are run.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1195668

            Bug ID: 1195668
           Summary: Perf:  DHT errors filling logs when perf tests are
                    run.
           Product: GlusterFS
           Version: mainline
         Component: distribute
          Keywords: Regression
          Severity: high
          Assignee: bugs at gluster.org
          Reporter: rgowdapp at redhat.com
                CC: annair at redhat.com, bturner at redhat.com,
                    bugs at gluster.org, gluster-bugs at redhat.com,
                    vbellur at redhat.com
        Depends On: 1195378



+++ This bug was initially created as a clone of Bug #1195378 +++

Description of problem:

During performance testing I see the following messages spamming the client
logs:

[2015-02-23 05:06:06.355467] W [dict.c:329:dict_set]
(-->/usr/lib64/glusterfs/3.6.0.46/xlator/cluster/distribute.so(dht_selfheal_layout_lock_cbk+0x10)
[0x7fc76447b110]
(-->/usr/lib64/glusterfs/3.6.0.46/xlator/cluster/distribute.so(dht_refresh_layout+0x30e)
[0x7fc76447b08e] (-->/usr/lib64/libglusterfs.so.0(dict_set_uint32+0x3b)
[0x7fc76ef32ceb]))) 0-dict: !this || !value for key=trusted.glusterfs.dht
[2015-02-23 05:06:06.355478] W [MSGID: 109003]
[dht-selfheal.c:270:dht_refresh_layout] 0-testvol-dht:
/file_dstdir/192.168.52.107/thrd_07/d_008/d_009: Failed to set dictionary
value:key = trusted.glusterfs.dht
[2015-02-23 05:06:06.356455] I [dict.c:371:dict_get]
(-->/usr/lib64/glusterfs/3.6.0.46/xlator/cluster/distribute.so(dht_inodelk_done+0x4e)
[0x7fc7644702ce]
(-->/usr/lib64/glusterfs/3.6.0.46/xlator/cluster/distribute.so(dht_selfheal_layout_lock_cbk+0x10)
[0x7fc76447b110]
(-->/usr/lib64/glusterfs/3.6.0.46/xlator/cluster/distribute.so(dht_refresh_layout+0xb3)
[0x7fc76447ae33]))) 0-dict: !this || key=trusted.glusterfs.dht

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

glusterfs-3.6.0.46-1.el6.x86_64

How reproducible:

Every run.

Steps to Reproduce:
1.  Run gluster benchmark kit on 2x1 volume.
2.  Check logs

Actual results:

The mount logs are spammed with the above messages, also note that performance
is poor.

Expected results:

Normal operation / performance.

Additional info:


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1195378
[Bug 1195378] Perf:  DHT errors filling logs when perf tests are run.
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