Hmmm.... changing the source code is not my intention. But I'll have a look at the discussion you are referring to and see if I change my mind.
Thanks Dietmar On 8/26/19 10:11 PM, Daniel Povey wrote: > I don't think it's supported in Son of GridEngine. Ondrej Valousek > (cc'd) described in the first thread here > http://arc.liv.ac.uk/pipermail/sge-discuss/2019-August/thread.html > how he was able to implement it, but it required code changes, i.e. you > would need to figure out how to build and install SGE from source, which > is a task in itself. > > Dan > > > On Mon, Aug 26, 2019 at 12:46 PM Dietmar Rieder > <dietmar.rie...@i-med.ac.at <mailto:dietmar.rie...@i-med.ac.at>> wrote: > > Hi, > > thanks for your reply. This sounds promising. > We are using Son of Grid Engine though. Can you point me to the right > docs to get cgroup enabled in the exec host (CentOS 7). I must admit I > have no experience with cgroups. > > Thanks again > Dietmar > > On 8/26/19 4:03 PM, Skylar Thompson wrote: > > At least for UGE, you will want to use the CPU set integration, > which will > > assign the job to a cgroup that has one CPU per requested slot. > Once you > > have cgroups enabled in the exec host OS, you can then set these > options in > > sge_conf: > > > > cgroup_path=/cgroup > > cpuset=1 > > > > You can use this mechanism to have the m_mem_free request enforced > as well. > > > > On Mon, Aug 26, 2019 at 02:15:22PM +0200, Dietmar Rieder wrote: > >> Hi, > >> > >> may be this is a stupid question, but I'd like to limit the > used/usable > >> number of cores to the number of slots that were reserved for a job. > >> > >> We often see that people reserve 1 slot, e.g. "qsub -pe smp 1 [...]" > >> but their program is then running in parallel on multiple cores. > How can > >> this be prevented? Is it possible that with reserving only one slot a > >> process can not utilize more than this? > >> > >> I was told the this should be possible in slurm (which we don't have, > >> and to which we don't want to switch to currently). > >> > >> Thanks > >> Dietmar > > > > > -- > _________________________________________ > D i e t m a r R i e d e r, Mag.Dr. > Innsbruck Medical University > Biocenter - Institute of Bioinformatics > Email: dietmar.rie...@i-med.ac.at <mailto:dietmar.rie...@i-med.ac.at> > Web: http://www.icbi.at > > > _______________________________________________ > users mailing list > users@gridengine.org <mailto:users@gridengine.org> > https://gridengine.org/mailman/listinfo/users > -- _________________________________________ D i e t m a r R i e d e r, Mag.Dr. Innsbruck Medical University Biocenter - Institute of Bioinformatics Email: dietmar.rie...@i-med.ac.at Web: http://www.icbi.at
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