[Bugs] [Bug 1192832] New: log files get flooded when removexattr() can't find a specified key or value

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1192832

            Bug ID: 1192832
           Summary: log files get flooded when removexattr() can't find a
                    specified key or value
           Product: GlusterFS
           Version: 3.5.3
         Component: logging
          Assignee: bugs at gluster.org
          Reporter: vbellur at redhat.com
                CC: bernhard.glomm at ecologic.eu, bugs at gluster.org,
                    gluster-bugs at redhat.com, ndevos at redhat.com
        Depends On: 1144527
            Blocks: 1188064



+++ This bug was initially created as a clone of Bug #1144527 +++

Description of problem:

I'm running 
#: glusterfs -V
#: glusterfs 3.4.5 built on Aug  6 2014 19:15:07
on ubuntu 14.04 from the semiosis ppa

I have a replica 2 with 2 servers.
another client does a fuse mount of a volume.
On rsyncing a bit of data onto the fuse mount,
 I get an entry like the below one on the client - for each file that is copied
onto the volume

[2014-09-19 07:57:39.877806] W
[client-rpc-fops.c:1232:client3_3_removexattr_cbk] 0-<volume_name>-client-0:
remote operation failed: No data available
[2014-09-19 07:57:39.877963] W
[client-rpc-fops.c:1232:client3_3_removexattr_cbk] 0-<volume_name>-client-1:
remote operation failed: No data available
[2014-09-19 07:57:39.878462] W [fuse-bridge.c:1172:fuse_err_cbk]
0-glusterfs-fuse: 21741144: REMOVEXATTR()
/<path_to_file>/.<file_name_with_a_leading_dot> => -1 (No data available)

The data itself is present and accessible on the volume and on both bricks.

So three questions:
a.) what kind of data is not available? what is the client complaining about?
b.) since it is a warning and the data seems to be okay - is there anything I
need to fix?
c.) How can I get rid of the amount of log lines? it's more than 3GB/day..


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

glusterfs 3.4.5 built on Aug  6 2014 19:15:07

How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:
an - so far unknown - xattribute key or value that should be removed couldn't
be found for a specific file


Expected results:
As it is a warning message and the data SEEMS to be okay 
logging of this event should be reduced by a meaningful algory like:
if message density bigger than X;print short version.

Additional info:
bricks are running on zol, not xfs

--- Additional comment from Anand Avati on 2014-09-19 12:45:12 EDT ---

REVIEW: http://review.gluster.org/8781 (protocol: Log ENODATA & ENOATTR logs at
DEBUG loglevel in removexattr_cbk.) posted (#4) for review on master by Vijay
Bellur (vbellur at redhat.com)

--- Additional comment from Anand Avati on 2014-09-24 03:49:03 EDT ---

COMMIT: http://review.gluster.org/8781 committed in master by Vijay Bellur
(vbellur at redhat.com) 
------
commit bd592f8b8379087604f35c3b377f6e94b9e1697d
Author: Vijay Bellur <vbellur at redhat.com>
Date:   Fri Sep 19 19:08:05 2014 +0530

    protocol: Log ENODATA & ENOATTR logs at DEBUG loglevel in removexattr_cbk.

    Prevents messages of the following type from being seen by default in the
log files:

    [2014-09-19 07:57:39.877806] W
    [client-rpc-fops.c:1232:client3_3_removexattr_cbk]
0-<volume_name>-client-0:
    remote operation failed: No data available
    [2014-09-19 07:57:39.877963] W
    [client-rpc-fops.c:1232:client3_3_removexattr_cbk]
0-<volume_name>-client-1:
    remote operation failed: No data available

    Change-Id: I3b1a121b0fc272eb772547275bb8085ed19db5a1
    BUG: 1144527
    Signed-off-by: Vijay Bellur <vbellur at redhat.com>
    Reviewed-on: http://review.gluster.org/8781
    Reviewed-by: Niels de Vos <ndevos at redhat.com>
    Tested-by: Gluster Build System <jenkins at build.gluster.com>
    Reviewed-by: Jeff Darcy <jdarcy at redhat.com>


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1144527
[Bug 1144527] log files get flooded when removexattr() can't find a
specified key or value
https://bugzilla.redhat.com/show_bug.cgi?id=1188064
[Bug 1188064] log files get flooded when removexattr() can't find a
specified key or value
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