[Bugs] [Bug 1342954] self heal deamon killed due to oom kills on a dist-disperse volume using nfs ganesha

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1342954



--- Comment #2 from Ashish Pandey <aspandey at redhat.com> ---
Additional comment from Pranith Kumar K on 2016-06-04 07:52:19 EDT ---

Steps to re-create the issue without nfs-ganesha (The issue seems to be with
cache-invalidation + ec. Cache invalidation is enabled when nfs-ganesha is
enabled):

On single machine this issue can be re-created with the following steps:
1) glusterd && gluster v create ec2 redundancy 2
localhost.localdomain:/home/gfs/ec_{0..5} force && gluster v  start ec2 &&
mount -t glusterfs localhost.localdomain:/ec2 /mnt/fuse1 && mount -t glusterfs
localhost.localdomain:/ec2 /mnt/ec2

2) gluster volume set ec2 features.cache-invalidation on

3) On two different terminals which are in /mnt/ec2 and /mnt/fuse1 execute:
while true; do echo abc > a; done

4) Execute gluster volume heal ec2 in a loop for 10 times, it may hang in the
middle when we do this.

5) Keep observing memory usage going up in shd by doing:
top -p <pid-of-shd>

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