[Gluster-devel] Too many open files

Anand Avati avati at zresearch.com
Thu Apr 5 05:46:48 UTC 2007


Can you confirm that you were NOT using unify int he setup??

regards,
avati


On Thu, Apr 05, 2007 at 01:09:16AM -0400, Brent A Nelson wrote:
> Awesome!
> 
> Thanks,
> 
> Brent
> 
> On Wed, 4 Apr 2007, Anand Avati wrote:
> 
> >Brent,
> > thank you so much for your efforts of sending the output!
> >from the log it is clear the leak fd's are all for directories. Indeed
> >there was an issue with releasedir() call reaching all the nodes. The
> >fix should be committed today to tla.
> >
> >Thanks!!
> >
> >avati
> >
> >
> >
> >On Wed, Apr 04, 2007 at 09:18:48PM -0400, Brent A Nelson wrote:
> >>I avoided restarting, as this issue would take a while to reproduce.
> >>
> >>jupiter01 and jupiter02 are mirrors of each other.  All performance
> >>translators are in use, except for writebehind (due to the mtime bug).
> >>
> >>jupiter01:
> >>ls -l /proc/26466/fd |wc
> >>  65536  655408 7358168
> >>See attached for ls -l output.
> >>
> >>jupiter02:
> >>ls -l /proc/3651/fd |wc
> >>ls -l /proc/3651/fd
> >>total 11
> >>lrwx------ 1 root root 64 2007-04-04 20:43 0 -> /dev/null
> >>lrwx------ 1 root root 64 2007-04-04 20:43 1 -> /dev/null
> >>lrwx------ 1 root root 64 2007-04-04 20:43 10 -> socket:[2565251]
> >>lrwx------ 1 root root 64 2007-04-04 20:43 2 -> /dev/null
> >>l-wx------ 1 root root 64 2007-04-04 20:43 3 ->
> >>/var/log/glusterfs/glusterfsd.log
> >>lrwx------ 1 root root 64 2007-04-04 20:43 4 -> socket:[2255275]
> >>lrwx------ 1 root root 64 2007-04-04 20:43 5 -> socket:[2249710]
> >>lr-x------ 1 root root 64 2007-04-04 20:43 6 -> eventpoll:[2249711]
> >>lrwx------ 1 root root 64 2007-04-04 20:43 7 -> socket:[2255306]
> >>lr-x------ 1 root root 64 2007-04-04 20:43 8 ->
> >>/etc/glusterfs/glusterfs-client.vol
> >>lr-x------ 1 root root 64 2007-04-04 20:43 9 ->
> >>/etc/glusterfs/glusterfs-client.vol
> >>
> >>Note that it looks like all those extra directories listed on jupiter01
> >>were locally rsynched from jupiter01's Lustre filesystems onto the
> >>glusterfs client on jupiter01.  A very large rsync from a different
> >>machine to jupiter02 didn't go nuts.
> >>
> >>Thanks,
> >>
> >>Brent
> >>
> >>On Wed, 4 Apr 2007, Anand Avati wrote:
> >>
> >>>Brent,
> >>>I hope the system is still in the same state to dig some info out.
> >>>To verify that it is a file descriptor leak, can you please run this
> >>>test. On the server, run ps ax and get the PID of glusterfsd. then do
> >>>an ls -l on /proc/<pid>/fd/ and please mail the output of that. That
> >>>should give a precise idea of what is happening.
> >>>If the system has been reset out of the state, please give us the
> >>>spec file you are using and the commands you ran (of some major jobs
> >>>like heavy rsync) so that we will try to reproduce the error in our
> >>>setup.
> >>>
> >>>regards,
> >>>avati
> >>>
> >>>
> >>>On Wed, Apr 04, 2007 at 01:12:33PM -0400, Brent A Nelson wrote:
> >>>>I put a 2-node GlusterFS mirror into use internally yesterday, as
> >>>>GlusterFS was looking pretty solid, and I rsynced a whole bunch of stuff
> >>>>to it.  Today, however, an ls on any of the three clients gives me:
> >>>>
> >>>>ls: /backup: Too many open files
> >>>>
> >>>>It looks like glusterfsd hit a limit.  Is this a bug 
> >>>>(glusterfs/glusterfsd
> >>>>forgetting to close files; essentially, a file descriptor leak), or do I
> >>>>just need to increase the limit somewhere?
> >>>>
> >>>>Thanks,
> >>>>
> >>>>Brent
> >>>>
> >>>>
> >>>>_______________________________________________
> >>>>Gluster-devel mailing list
> >>>>Gluster-devel at nongnu.org
> >>>>http://lists.nongnu.org/mailman/listinfo/gluster-devel
> >>>>
> >>>
> >>>--
> >>>Shaw's Principle:
> >>>      Build a system that even a fool can use,
> >>>      and only a fool will want to use it.
> >>>
> >
> >
> >
> >-- 
> >Shaw's Principle:
> >       Build a system that even a fool can use,
> >       and only a fool will want to use it.
> >
> 

-- 
Shaw's Principle:
        Build a system that even a fool can use,
        and only a fool will want to use it.





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