Dearl Slurm User List,

I am currently reviewing a slurm.conf where the developer set Weight
manually to attribute a greater weight to machines that have more RAM to
force smaller jobs on smaller instances. However, I feel like there is
something already in place or better than manually setting the weights,
but I couldn't find it.

If I understand correctly Slurm does not schedule jobs to the smallest
possible node on default. So small jobs can be scheduled to large
instances and a big job might have to wait indefinitely when using
backfilling.

I thought that Slurm does have mechanisms to prevent this but was unable
to find it again in the documentation.

Is there really no automatism at place or am I overlooking something?

Best,
Xaver


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