[slurm-users] sbatch overallocation

[Max Quast]

Okay, thanks for the hint that I should use cgroups.

With cgroups the behaviour is as expected.

 

:)

Max

 

> Il 10/10/20 18:53, Renfro, Michael ha scritto:

> 

> >   * Do you want to ensure that one job requesting 9 tasks (and 1 CPU per

> >     task) can’t overstep its reservation and take resources away from

> >     other jobs on those nodes? Cgroups [1] should be able to confine the

> >     job to its 9 CPUs, and even if 8 processes get started at once in

> >     the job, they’ll only drive up the nodes’ load average, and not

> >     affect others’ performance.

> IMHO cgroups is a must-have: each job is guaranteed to receive what it

> asks for, and no more. If it tries to use more, it just self-contends

> resources, w/o impacting other jobs.

> Configuring it greatly reduced headaches on our cluster :)

> 

> -- 

> Diego Zuccato

> DIFA - Dip. di Fisica e Astronomia

> Servizi Informatici

> Alma Mater Studiorum - Università di Bologna

> V.le Berti-Pichat 6/2 - 40127 Bologna - Italy

> tel.: +39 051 20 95786

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.schedmd.com/pipermail/slurm-users/attachments/20201029/7a4241e4/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 5014 bytes
Desc: not available
URL: <http://lists.schedmd.com/pipermail/slurm-users/attachments/20201029/7a4241e4/attachment.bin>