[slurm-users] Minimum requirements for Slurm daemons?
Ole Holm Nielsen
Ole.H.Nielsen at fysik.dtu.dk
Wed Jul 14 13:42:19 UTC 2021
On 7/14/21 3:26 PM, Heitor wrote:
> 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
The MySQL server should run on a physical machine for the fastest disk access.
> We currently have 1 dedicated machine for mysql and another 1 for
> slurmdbd. Is it recommended to keep them separated?
Probably it doesn't matter. We run slurmdbd and MySQL on the same server.
The important design is to separate slurmdbd from slurmctld and other
>> 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
> This page is very insightful! Bookmarked it :)
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