openstack team mailing list archive

[Joe Gordon <jogo@xxxxxxxxxxxxxxxx>]

On Mon, Jun 4, 2012 at 5:47 PM, Gabe Westmaas
<gabe.westmaas@xxxxxxxxxxxxx>wrote:

> Should we revert this change till we get it cleared up?
>

+1


>
> On 6/4/12 8:29 PM, "James E. Blair" <corvus@xxxxxxxxxxxx> wrote:
>
> >On 06/04/2012 04:00 PM, Kevin L. Mitchell wrote:
> >> Today I've noticed some significant problems with nova's test suite
> >> leaving literally hundreds of python processes out.  I'm guessing that
> >> this has to do with the unit tests for the multiprocess patch, which was
> >> just approved.  This could be causing problems with jenkins, tooŠ
> >>
> >> Anybody have any other insights?
> >
> >Yes, several Jenkins slaves have been taken out by running nova unit
> >tests.  The one that I am able to log into seems to be continuously
> >respawing python processes.  Other slaves are inaccessible due to having
> >exhausted their RAM.
> >
> >I note that all of the tests run after that change merged carry this
> >warning notice from Jenkins:
> >
> >   Process leaked file descriptors. See
> >http://wiki.jenkins-ci.org/display/JENKINS/Spawning+processes+from+build
> >for more information
> >
> >So I think it's fair to say that Jenkins corroborates your suspicion
> >that change introduced a problem with leaking processes.
> >
> >This is affecting any Jenkins slave that the nova unit tests job runs
> >on, which in turn affects jobs for unrelated projects that happen to
> >later run on that slave.
> >
> >In addition to correcting this problem, I believe we should add a build
> >step to Jenkins to ensure that all of the test processes have terminated
> >correctly.
> >
> >-Jim
> >
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