[Gluster-devel] Gluster builder being hit by too much process
gyadav at redhat.com
Fri Oct 6 11:23:42 UTC 2017
As gluster cli was failing to create a volume which has tons of brick
request in one command.
I added this https://review.gluster.org/#/c/18271/5/tests/bugs/cli/bug-
1490853.t test to ensure that
gluster is able to parse large request.
As per the bug "https://bugzilla.redhat.com/show_bug.cgi?id=1490853",
create was failing, but I added volume start too
in the test case whichideally is not required.
I have addressed the same and updated the patch,
On Fri, Oct 6, 2017 at 2:31 PM, Michael Scherer <mscherer at redhat.com> wrote:
> so on the last 2 days, I have been contacted by people because some
> builders were failling. Upon investigation ( https://bugzilla.redhat.co
> m/show_bug.cgi?id=1498390 ), the main issue seems to be the following:
> Each build failed had a set of glusterd process (around 300) that where
> started by jenkins, to test regression for this change:
> (found due to environment variable of the process)
> But upon closer inspection of the patch, it doesn't seems buggy, so my
> suspicion are on the test case, who is also quite simple (and likely
> bug free), but who also seems to start a ton of of volume (around 1000
> ) if I am not wrong, and this do seems to result into a large number of
> process being created.
> See https://review.gluster.org/#/c/18271/5/tests/bugs/cli/bug-1490853.t
> Could it be that the test case do uncover a bug in the test suite, or a
> bug in gluster ?
> Looking at the test suite, I see that the cleanup function is
> conveniently ignoring a ton of error:
> which do not help to see what is going wrong.
> I also do not see out of memory errors, but munin graph seems to stop
> right at the same time, so maybe that's just a ressource issue.
> So my questions are:
> - is gluster supposed to scale gracefully with 1000 volumes on 1 single
> node ?
> - how much ressources should we plan for that ? (right now, we have 2G
> VM, we can't increase much without reinstalling the whole set of
> If you see any builders not working, please ping me on irc.
> Michael Scherer
> Sysadmin, Community Infrastructure and Platform, OSAS
> Gluster-devel mailing list
> Gluster-devel at gluster.org
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