Description of problem:

One of the glusterfs process on one of the customer's clients is consuming a large amount of memory and the amount is increasing. 


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

glusterfs-3.7.9-12.el6.x86_64
glusterfs-client-xlators-3.7.9-12.el6.x86_64
glusterfs-fuse-3.7.9-12.el6.x86_64
glusterfs-libs-3.7.9-12.el6.x86_64


How reproducible:


Steps to Reproduce:
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Actual results:

After a reboot, the memory consumption of the glusterfs process has steadily increased.


Expected results:

The memory usage by all the glusterfs processes stays low


Additional info:


The ps -auxwww output for the gluster processes on the client:

USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root     23547  0.0  0.2 632776  9868 ?        Ssl  Jan29   1:23 /usr/sbin/glusterfs --volfile-server=glusternative.owfg.com --volfile-id=cdb-vol /gfs/cdb-vol
root     23601  0.0  0.3 632772 13972 ?        Ssl  Jan29   1:18 /usr/sbin/glusterfs --volfile-server=glusternative.owfg.com --volfile-id=datawarehouse-vol /gfs/datawarehouse-vol
root     23638  0.0  0.0      0     0 ?        S    11:00   0:00 [flush-253:0]
root     23655  0.3 43.7 4763680 1717436 ?     Ssl  Jan29 222:08 /usr/sbin/glusterfs --volfile-server=glusternative.owfg.com --volfile-id=sp-vol /gfs/sp-vol