[slurm-users] Question concerning cgroups and
Michael Neff
Michael.Neff at EMEA.NEC.COM
Fri Jan 17 12:48:16 UTC 2020
Hi Juergen,
Thanks for the hint,
I tried to set it to "no" as well but the result was the same.
Best regards,
Michael
Dr. Michael Neff
System Engineer
System Integration and Support
NEC Deutschland GmbH
HPCE Division
Raiffeisenstr. 14, D-70771 Leinfelden-Echterdingen, Germany
Tel: +49 711 780 55 44
Mobil: 0152 22 85 15 54
Fax: +49 711 780 55 25
------------------------------------------------------------------------------
NEC Deutschland GmbH, Fritz-Vomfelde-Straße 14-16, D-40547 Duesseldorf, Germany
Geschäftsführer: Yuichi Kojima Handelsregister Düsseldorf HRB 579413
-----Ursprüngliche Nachricht-----
Von: slurm-users [mailto:slurm-users-bounces at lists.schedmd.com] Im Auftrag von Juergen Salk
Gesendet: Friday, January 17, 2020 12:23 PM
An: Slurm User Community List <slurm-users at lists.schedmd.com>
Betreff: Re: [slurm-users] Question concerning cgroups and
Hi Michael,
not sure if this is the root cause of your problem, but SchedMD recommends to set TaskAffinity to "no" in cgroup.conf when using both, task/affinity and task/cgroup, together for TaskPlugin in slurm.conf (see the NOTE for TaskPlugin in slurm.conf).
Best regards
Juergen Salk
--
Jürgen Salk
Scientific Software & Compute Services (SSCS)
Kommunikations- und Informationszentrum (kiz) Universität Ulm
Telefon: +49 (0)731 50-22478
Telefax: +49 (0)731 50-22471
* Michael Neff <Michael.Neff at EMEA.NEC.COM> [200117 09:24]:
> Hi,
>
> I am currently trying to set up Slurm 19.05.05 under centos 7.5 with the settings below.
>
> ProctrackType=proctrack/cgroup
> TaskPlugin=task/cgroup,task/affinity
> TaskPluginParam=Cpusets,Autobind=Threads
> SelectType=select/cons_res
> SelectTypeParameters=CR_One_Task_Per_Core,CR_Core,CR_Pack_Nodes
>
> ###
> # Slurm cgroup support configuration file ### CgroupAutomount=yes
> CgroupMountpoint=/sys/fs/cgroup ConstrainCores=yes TaskAffinity=yes #
>
> I always end up with all tasks for a node running on one core.
>
> Any suggestions?
>
> Best regards,
> Michael
>
>
> Dr. Michael Neff
> System Engineer
> System Integration and Support
> NEC Deutschland GmbH
> HPCE Division
>
> Raiffeisenstr. 14, D-70771 Leinfelden-Echterdingen, Germany
> Tel: +49 711 780 55 44
> Mobil: 0152 22 85 15 54
> Fax: +49 711 780 55 25
> ----------------------------------------------------------------------
> -------- NEC Deutschland GmbH, Fritz-Vomfelde-Straße 14-16, D-40547
> Duesseldorf, Germany
> Geschäftsführer: Yuichi Kojima Handelsregister Düsseldorf HRB 579413
>
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