[slurm-users] Keep CPU Jobs Off GPU Nodes

Frank Pari parif at bc.edu
Tue Mar 28 23:24:05 UTC 2023

Well, I wanted to avoid using lua.  But, it looks like that's going to be
the easiest way to do this without having to create a separate partition
for the GPUs.  Basically, check for at least one gpu in the job submission
and if none exclude all GPU nodes for the job.

[image: image.png]

Now I'm wondering how to auto-gen the list of nodes with GPUs, so I don't
have to remember to update job_submit.lua everytime we get new GPU nodes.


On Tue, Mar 28, 2023 at 4:06 PM Frank Pari <parif at bc.edu> wrote:

> Hi all,
> First, thank you all for participating in this list.  I've learned so much
> by just following in other's threads.  =)
> I'm looking at creating a scavenger partition with idle resources from CPU
> and GPU nodes and I'd like to keep this to one partition.  But, I don't
> want CPU only jobs using up resources on the GPU nodes.
> I've seen suggestions for job/lua scripts.  But, I'm wondering if there's
> any other way to ensure a job has requested at least 1 gpu for the
> scheduler to assign that job to a GPU node.
> Thanks in advance!
> -Frank
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