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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