[slurm-users] Using "srun" on compute nodes -- Ray cluster

Kamil Wilczek kmwil at mimuw.edu.pl
Fri Jul 15 09:17:23 UTC 2022

Dear Slurm Users,

one of my cluster users would like to run a Ray cluster on Slurm.
I noticed that the batch script example requires running the "srun"
command on a compute node, which already is allocated:

This is the first time I see or hear about this type of usage
and I have problems wrapping my head around this.
Is there anything wrong or unusual about this? I understand that
this would allocate some resources on other nodes. Would
Slurm enforce limits properly ("qos" or "partition" limits)?

Kind Regards
Kamil Wilczek  [https://keys.openpgp.org/]
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