[Gluster-users] [Gluster-devel] Memory leak in GlusterFS FUSE client

[Mathieu Chateau]

Thanks for all your tests and times, it looks promising :)


Cordialement,
Mathieu CHATEAU
http://www.lotp.fr

2016-01-23 22:30 GMT+01:00 Oleksandr Natalenko <oleksandr at natalenko.name>:

> OK, now I'm re-performing tests with rsync + GlusterFS v3.7.6 + the
> following
> patches:
>
> ===
> Kaleb S KEITHLEY (1):
>       fuse: use-after-free fix in fuse-bridge, revisited
>
> Pranith Kumar K (1):
>       mount/fuse: Fix use-after-free crash
>
> Soumya Koduri (3):
>       gfapi: Fix inode nlookup counts
>       inode: Retire the inodes from the lru list in inode_table_destroy
>       upcall: free the xdr* allocations
> ===
>
> I run rsync from one GlusterFS volume to another. While memory started from
> under 100 MiBs, it stalled at around 600 MiBs for source volume and does
> not
> grow further. As for target volume it is ~730 MiBs, and that is why I'm
> going
> to do several rsync rounds to see if it grows more (with no patches bare
> 3.7.6
> could consume more than 20 GiBs).
>
> No "kernel notifier loop terminated" message so far for both volumes.
>
> Will report more in several days. I hope current patches will be
> incorporated
> into 3.7.7.
>
> On пʼятниця, 22 січня 2016 р. 12:53:36 EET Kaleb S. KEITHLEY wrote:
> > On 01/22/2016 12:43 PM, Oleksandr Natalenko wrote:
> > > On пʼятниця, 22 січня 2016 р. 12:32:01 EET Kaleb S. KEITHLEY wrote:
> > >> I presume by this you mean you're not seeing the "kernel notifier loop
> > >> terminated" error in your logs.
> > >
> > > Correct, but only with simple traversing. Have to test under rsync.
> >
> > Without the patch I'd get "kernel notifier loop terminated" within a few
> > minutes of starting I/O.  With the patch I haven't seen it in 24 hours
> > of beating on it.
> >
> > >> Hmmm.  My system is not leaking. Last 24 hours the RSZ and VSZ are
> > >> stable:
> > >>
> http://download.gluster.org/pub/gluster/glusterfs/dynamic-analysis/longev
> > >> ity /client.out
> > >
> > > What ops do you perform on mounted volume? Read, write, stat? Is that
> > > 3.7.6 + patches?
> >
> > I'm running an internally developed I/O load generator written by a guy
> > on our perf team.
> >
> > it does, create, write, read, rename, stat, delete, and more.
>
>
>
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