[torqueusers] Problem with running jobs requesting multiple nodes
rmckay at adaptivecomputing.com
Fri Oct 25 10:56:56 MDT 2013
pbs_sched is fixed for 4.2.6. Here are the commits (from on or around 2013
b1a40a8..e22a729 4.2-dev -> 4.2-dev
7590b84..8107849 master -> master
On Fri, Oct 25, 2013 at 10:34 AM, Gus Correa <gus at ldeo.columbia.edu> wrote:
> On 10/24/2013 10:51 PM, Jack Hill wrote:
> > On Thu, 24 Oct 2013, Gus Correa wrote:
> >> Hello Jack
> >> Have you tried Maui instead of pbs_sched?
> >> See these threads:
> >> IHIH
> >> Gus Correa
> > Gus,
> > Thanks for the pointer. We had seen Maui and were keeping in the back of
> > our minds in case we needed the implement a more complex policy. We had
> > been thinking that it would be better to not add complexity when we
> > need it, but maybe we do :)
> > To be clear about what is going on here: there is some bug in pbs_sched,
> > that would be work around by using Maui (i.e. it's not a problem with
> > pbs_server), but since Maui works an is more capable, it is not worth my
> > time to figure out what the problem is.
> > Best,
> > Jack
> Hi Jack
> I also don't advocate adding complexity where it is not needed.
> I used pbs_sched for a long time in our older clusters.
> It is good for testing torque also (when it works).
> I suggested Maui because it will probably work with Torque 4.X.Y.Z
> whereas pbs_sched seems to be on the way to be fixed in a
> future 4.X.Y.Z release. (See the threads I sent before.)
> [Adaptive friends:
> Is pbs_sched fixed in the upcoming 4.2.6 release?]
> An alternative would be to move back to Torque 2.5.X,
> or 2.4.X, and use pbs_sched.
> However, in my humble opinion, re-installing Torque is more painful
> in a production cluster than switching to another scheduler.
> If your MPI uses the Torque libraries, you may have to reinstall it.
> Maui installs easily.
> You just need to configure it
> (and maybe --prefix=/wherever/you/want;
> Since you don't need a complex policy
> (we still don't need here either),
> you could use the boilerplate maui.cfg file,
> or modify only a few items (which is what I do here).
> I hope this helps,
> Gus Correa
> torqueusers mailing list
> torqueusers at supercluster.org
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