On Mon, Aug 22, 2016 at 9:03 PM, Zdenek Styblik <[email protected]> wrote:
> On Sat, Aug 20, 2016 at 11:48 AM, Pranith Kumar Karampuri > <[email protected]> wrote: > > hi Zdenek, > > I recently found this issue and there has been a discussion on > > gluster-devel about how to fix this. It is a bit involved, so taking more > > time than I would like to fix, this bug has been there for almost 3-4 > years > > I guess. > > > > You can find the discussion here: > > http://www.gluster.org/pipermail/gluster-devel/2016-July/050085.html > > > > Hello Pranith, > > thank you for reply and heads up. I've read only through mails with > subject "memory leak" and didn't know you, or somebody else, already > found this issue. > Hey, Please err on posting these kinds of mails in future as well :-). In the worst case it will be something we already know. But in the best case it wll be something new :-). > > Best regards, > Z. > > > On Fri, Aug 19, 2016 at 7:10 PM, Zdenek Styblik < > [email protected]> > > wrote: > >> > >> Hello, > >> > >> we've found a memory leak in glusterd v3.7.x(currently at v3.7.14, but > >> we are users of v3.7.x from the beginning). > >> It seems, we've empirically verified, that continuous execution of % > >> gluster volume set <volname> <key> <value>; leads to memory leaks in > >> glusterd and OOM, although not necessarily OOM of glusterd itself. > >> Settings which were being set over and over again are > >> `nfs.addr-namelookup false` and `nfs.disable true`. There might have > >> been other settings, but I was able to find these in recent logs. > >> Unfortunately, we don't have capacity to debug this issue > >> further(statedumps are quite overwhelming :] ). > >> Repeated execution has been caused due to bug in Puppet module we're > >> using(and we were able to address this issue). Therefore, it's safe to > >> say that the number of affected users or like hood of somebody else > >> having these problem is probably low. It's still a memory leak and, > >> well, rather serious one if you happen to stumble upon it. Also, it > >> must be noted that this gets amplified if you have more than just > >> volume. > >> > >> If there is anything I can help with, let me know. > >> > >> Please, keep me on CC as I'm not subscribed to the mailing list. > >> > >> Best regards, > >> Zdenek Styblik > >> _______________________________________________ > >> Gluster-users mailing list > >> [email protected] > >> http://www.gluster.org/mailman/listinfo/gluster-users > > > > > > > > > > -- > > Pranith > -- Pranith
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