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

[Kamil Wilczek]

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:
https://docs.ray.io/en/latest/cluster/examples/slurm-template.html#slurm-template

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/]
[D415917E84B8DA5A60E853B6E676ED061316B69B]
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