Re: [Gluster-users] Memory leak in GlusterFS FUSE client

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Yes, there are couple of messages like this in my logs too (I guess one 
message per each remount):

===
[2016-01-18 23:42:08.742447] I [fuse-bridge.c:3875:notify_kernel_loop] 0-
glusterfs-fuse: kernel notifier loop terminated
===

On середа, 20 січня 2016 р. 09:51:23 EET Xavier Hernandez wrote:
> I'm seeing a similar problem with 3.7.6.
> 
> This latest statedump contains a lot of gf_fuse_mt_invalidate_node_t
> objects in fuse. Looking at the code I see they are used to send
> invalidations to kernel fuse, however this is done in a separate thread
> that writes a log message when it exits. On the system I'm seeing the
> memory leak, I can see that message in the log files:
> 
> [2016-01-18 23:04:55.384873] I [fuse-bridge.c:3875:notify_kernel_loop]
> 0-glusterfs-fuse: kernel notifier loop terminated
> 
> But the volume is still working at this moment, so any future inode
> invalidations will leak memory because it was this thread that should
> release it.
> 
> Can you check if you also see this message in the mount log ?
> 
> It seems that this thread terminates if write returns any error
> different than ENOENT. I'm not sure if there could be any other error
> that can cause this.
> 
> Xavi
> 
> On 20/01/16 00:13, Oleksandr Natalenko wrote:
> > Here is another RAM usage stats and statedump of GlusterFS mount
> > approaching to just another OOM:
> > 
> > ===
> > root     32495  1.4 88.3 4943868 1697316 ?     Ssl  Jan13 129:18
> > /usr/sbin/
> > glusterfs --volfile-server=server.example.com --volfile-id=volume
> > /mnt/volume ===
> > 
> > https://gist.github.com/86198201c79e927b46bd
> > 
> > 1.6G of RAM just for almost idle mount (we occasionally store Asterisk
> > recordings there). Triple OOM for 69 days of uptime.
> > 
> > Any thoughts?
> > 
> > On середа, 13 січня 2016 р. 16:26:59 EET Soumya Koduri wrote:
> >> kill -USR1
> > 
> > _______________________________________________
> > Gluster-devel mailing list
> > Gluster-devel@xxxxxxxxxxx
> > http://www.gluster.org/mailman/listinfo/gluster-devel


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