[slurm-users] Minimum requirements for Slurm daemons?

Heitor heitorpbittencourt at gmail.com
Wed Jul 14 13:26:33 UTC 2021

On Mon, 12 Jul 2021 21:00:45 +0200
Ole Holm Nielsen <Ole.H.Nielsen at fysik.dtu.dk> wrote:

> SchedMD recommends that the slurmctld server should have only a few,
> but very fast CPU cores, in order to ensure the best responsiveness.

> The database server should preferably run on a physical server.

That is very interesting.

By database server, you mean slurmdbd server or the mysql database

We currently have 1 dedicated machine for mysql and another 1 for
slurmdbd. Is it recommended to keep them separated?

> I prefer to run slurmctld and slurmdbd on separate servers so that I
> can upgrade the Slurm database independently and before the slurmctld
> server upgrade.  This allows me to test the slurmdbd upgrade without
> disturbing slurmctld and the cluster operations (it's OK for slurmdbd
> to be unavailable for many hours).  See also my Slurm upgrade page 
> https://wiki.fysik.dtu.dk/niflheim/Slurm_installation#upgrading-slurm

This page is very insightful! Bookmarked it :)

Best regards,
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