[torqueusers] A couple of user based questions...

André Gemünd andre.gemuend at scai.fraunhofer.de
Mon Jul 30 08:53:19 MDT 2012


I assume your boxes have multiple cores? So Torque just packs as many jobs on the nodes as cores are available.
You can set server node_pack false to scatter jobs across all nodes, even if the first node has free cores.

hth
Andre

----- Ursprüngliche Mail -----
> Looks like we're running the built in pbs scheduler.
> 
> -----Original Message-----
> From: torqueusers-bounces at supercluster.org
> [mailto:torqueusers-bounces at supercluster.org] On Behalf Of André
> Gemünd
> Sent: Monday, July 30, 2012 2:40 AM
> To: Torque Users Mailing List
> Subject: Re: [torqueusers] A couple of user based questions...
> 
> > 2) I did not configure this setup. The only way I’ve found to be
> > able
> > to spread four jobs across the four boxes is to specifically
> > request a
> > node by name. For example:
> > #PBS –l nodes=1:ppn=1
> > #PBS –l nodes=vpaybatch01 (and here, for each of the remaining
> > files I
> > do 02, 03, 04) Is there some way that I can just qsub four jobs and
> > have them each go to the next available batch box?
> 
> That depends on the scheduler setup. You have to check if you are
> using maui/moab, or pbs_sched (the builtin scheduler).
> For Maui/Moab, have a look at NODEALLOCATIONPOLICY
> http://www.adaptivecomputing.com/resources/docs/maui/5.2nodeallocation.php
> 
> Greetings
> André
> 
> --
> André Gemünd
> Fraunhofer-Institute for Algorithms and Scientific Computing
> andre.gemuend at scai.fraunhofer.de
> Tel: +49 2241 14-2193
> /C=DE/O=Fraunhofer/OU=SCAI/OU=People/CN=Andre Gemuend
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-- 
André Gemünd
Fraunhofer-Institute for Algorithms and Scientific Computing
andre.gemuend at scai.fraunhofer.de
Tel: +49 2241 14-2193
/C=DE/O=Fraunhofer/OU=SCAI/OU=People/CN=Andre Gemuend


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