[slurm-users] one job at a time - how to set?

[Doug Meyer]

Change node definition in slurm.conf for that one node to 1 CPU.

Doug Meyer

From: slurm-users <slurm-users-bounces at lists.schedmd.com> On Behalf Of Rutger Vos
Sent: Wednesday, April 29, 2020 1:20 PM
To: Slurm User Community List <slurm-users at lists.schedmd.com>
Subject: [External] Re: [slurm-users] one job at a time - how to set?

Hi Michael,

thanks very much for your swift reply. So here we would have to convince the users they'd have to specify this when submitting, right? I.e. 'sbatch --exclusive myjob.sh', if I understand correctly. Would there be a way to simply enforce this, i.e. at the slurm.conf level or something?

Thanks again!

Rutger

On Wed, Apr 29, 2020 at 10:06 PM Renfro, Michael <Renfro at tntech.edu<mailto:Renfro at tntech.edu>> wrote:
That’s a *really* old version, but https://slurm.schedmd.com/archive/slurm-15.08.13/sbatch.html indicates there’s an exclusive flag you can set.
On Apr 29, 2020, at 1:54 PM, Rutger Vos <rutger.vos at naturalis.nl<mailto:rutger.vos at naturalis.nl>> wrote:

.
Hi,

for a smallish machine that has been having degraded performance we want to implement a policy where only one job (submitted with sbatch) is allowed to run and any others submitted after it are supposed to wait in line.

I assumed this was straightforward but I can't seem to figure it out. Can I set that up in slurm.conf or in some other way? Thank you very much for your help. BTW we are running slurm 15.08.7 if that is at all relevant.

Best wishes,

Dr. Rutger A. Vos
Researcher / Bioinformatician
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Met vriendelijke groet,

Dr. Rutger A. Vos
Researcher / Bioinformatician
[https://06ecba7b-a-deac235a-s-sites.googlegroups.com/a/naturalis.nl/signatures/home/logo-new.png]






+31717519600 - +31627085806
rutger.vos at naturalis.nl<mailto:rutger.vos at naturalis.nl> - www.naturalis.nl<https://www.naturalis.nl>
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Postbus 9517, 2300 RA Leiden

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