[Mauiusers] more jobs than number of cores

Burkhard Bunk bunk at physik.hu-berlin.de
Tue Dec 14 06:10:02 MST 2010


did you set in maui.cfg:


and specified the right np=.. in server_priv/nodes?

If you still need a fix (instead of a wrapper), you may try setting

 	resources_default.nodes = 1:ppn=1

in the torque configuration (with "qmgr"). This works for me on a
per-queue basis, but could even be set as a server-wide default (not 

Burkhard Bunk.
  bunk at physik.hu-berlin.de      Physics Institute, Humboldt University
  fax:    ++49-30 2093 7628     Newtonstr. 15
  phone:  ++49-30 2093 7980     12489 Berlin, Germany

On Mon, 13 Dec 2010, Abhishek Gupta wrote:

> Hi,
> I just able to work on a way-around by making a wrapper for qsub in
> which I put a condition that if no one is asking for any  node/ppn
> specifically then it adds an option of nodes=1:ppn=1 on the command
> line. This has resolved the problem of jobs exceeding the number of cores.
> I am still looking for a way to do it on the configuration file.
> Can anyone has any suggestions?
> Thanks,
> Abhi.
> Abhishek Gupta wrote:
>> Hi,
>> We are experiencing a problem that the number of jobs are exceeding
>> the number of cores on the node. This is happening on our nodes with 4
>> cores. But out nodes with 8 cores are getting the right number of
>> jobs. We are currently using maui-3.2.6p21 with torque-2.3.10
>> Does anyone has any ideas about it? Is there any diagnostic
>> tools/commands for maui or anyway I could see what configuration it is
>> following?
>> Thanks,
>> Abhi.
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