* mardi 29 mai 2018 13:16
*À :* Slurm User Community List
*Objet :* Re: [slurm-users] Using free memory available when
allocating a node to a job
Alexandre, you have made a very good point here. "Oftentimes users
only input 1G as they really have no idea of the memory requirements,"
need.
Regards,
Alexandre
De : slurm-users [mailto:slurm-users-boun...@lists.schedmd.com] De la part de
John Hearns
Envoyé : mardi 29 mai 2018 13:16
À : Slurm User Community List
Objet : Re: [slurm-users] Using free memory available when allocating a node to
a job
Alexandre, you have made a
John Hearns writes:
> Alexandre, you have made a very good point here. "Oftentimes users only input
> 1G as they really have no idea of the memory requirements,"
> At my last job we introduced cgroups. (this was in PBSPro). We had to enforce
> a minumum request for memory.
> Users then asked us
nk you for your inputs.
>
>
>
>
>
> *De :* slurm-users [mailto:slurm-users-boun...@lists.schedmd.com] *De la
> part de* John Hearns
> *Envoyé :* mardi 29 mai 2018 12:39
> *À :* Slurm User Community List
> *Objet :* Re: [slurm-users] Using free memory available when all
for your inputs.
De : slurm-users [mailto:slurm-users-boun...@lists.schedmd.com] De la part de
John Hearns
Envoyé : mardi 29 mai 2018 12:39
À : Slurm User Community List
Objet : Re: [slurm-users] Using free memory available when allocating a node to
a job
Also regarding memory, there are system
Also regarding memory, there are system tunings you can set for the
behaviour of the OurOfMemory Killer and also the VM overcommit.
I have seen the VM overcommit parameters being discussed elsewhere, and
generally for HPC people advise to disable overcommit
https://www.suse.com/support/kb/doc/?id=
Alexandre, it would be helpful if you could say why this behaviour is
desirable.
For instance, do you have codes which need a large amount of memory and
your users are seeing that these codes are crashing because other codes
running on the same nodes are using memory.
I have two thoughts:
A) en
