[slurm-users] Limit number of CPU in a partition

[Nicolò Parmiggiani]

Hi,

i am trying to limit the number of CPUs of a partition using QOS.

I created a QOS called large with a limit of 4 CPUs:

Whit this command I can see the QOS:

sacctmgr show qos format=name,GrpCPUs


      Name  GrpCPUs

---------- --------

    normal

     large        4


After that I put in partition line on slurm.conf this: QOS=large


But the number of running job is not limited. What am I doing wrong.


Thank you.







2018-01-05 13:36 GMT+01:00 Markus Köberl <markus.koeberl at tugraz.at>:

> On Friday, 5 January 2018 12:08:42 CET Nicolò Parmiggiani wrote:
> > hi,
> >
> > thank you for your answer.
> >
> > If I set this number to 10 and I have 20 nodes, so the maximum number of
> > CPU in this partition will be 10*20 or only 10 ?
>
> It is a limit per node therefore 10*20 CPUs (in case of a CPU with hyper
> threading it means 10*20 threads)
>
>
> regards
> Markus Köberl
> --
> Markus Koeberl
> Graz University of Technology
> Signal Processing and Speech Communication Laboratory
> E-mail: markus.koeberl at tugraz.at
>
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