Hello everyone,
Currently one of the production gluster nodes is consuming a lot of
memory, in particular the gluster NFS process makes great use of SWAP
memory and does not release it.
It happens to someone else?
# for file in /proc/*/status ; do awk '/VmSwap|Name|Pid/{printf $2 " "
$3}END{ print ""}' $file; done | sort -k 5 -n -r | less
glusterfs *16818* 1 0 *5283484 kB*
glusterfs 16826 1 0 434184 kB
glusterfsd 14648 1 0 63500 kB
# ps aux | grep 16818
root 16818 48.1 61.7 27419204 20265168 ? Ssl Feb27 39412:28
/usr/sbin/glusterfs -s localhost --volfile-id gluster/nfs -p
/var/lib/glusterd/nfs/run/nfs.pid -l /var/log/glusterfs/nfs.log -S
/var/run/gluster/4e5989084b357ad0d2530754e086bd73.socket
# free -m
total used free shared
buffers cached
Mem: 32073 31710 362 0 0 4291
-/+ buffers/cache: 27418 4655
Swap: 7247 7247 0
The gluster version is*3.7.1-16* under RHEL 6.7
Launching the following commands does not help, as the swap memory is
re-occupied in full over time.
# sync
# echo 3 > /proc/sys/vm/drop_caches
The swappiness value is currently 60.
# sysctl -a | grep swapp
vm.swappiness = 60
Any idea or similar case?
Thanks.
Greetings,
Jose Antonio Vico Palomino
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