[slurm-users] Site factor plugin example?

[Reed Dier]

Hi Angel and Loris,

I hope this will be of at least some help, as I was tasked with trying to get site factor implemented in our cluster for the sake of making conformant, predictable priority values that were “pretty” and round, and I was not able to find any good documentation for it either.
I had originally hoped it could be set in slurm.conf or something, since I just wanted/needed a constant value, but this was the solution that worked for us.
That said, the only way I was able to make this work was by adding it to our existing job_submit.lua.

> function slurm_job_submit(job_desc, part_list, submit_uid)
>    job_desc.site_factor = {{ site_factor_num }}
>    return slurm.SUCCESS
> end


This is a heavily dialed down copy of our job_submit.lua script, but we set the site_factor_num as a constant because of what we were trying to achieve, and we stuck that line in the slurm_job_submit function.
Hope that helps send y’all down the correct rabbit hole.

Cheers,
Reed

> On Oct 16, 2023, at 1:00 AM, Loris Bennett <loris.bennett at fu-berlin.de> wrote:
> 
> Hello Angel,
> 
> Angel de Vicente <angel.de.vicente at iac.es> writes:
> 
>> Hello Loris,
>> 
>> "Loris Bennett" <loris.bennett at fu-berlin.de> writes:
>> 
>>> Did you ever find an example or write your own plugin which you could
>>> provide as a example?
>> 
>> I'm afraid not (though I didn't persevere, because for the moment we are
>> trying to encourage our users not to waste resources with a different
>> approach).
> 
> Pray tell.  I would also be interested in other approaches.
> 
>> But, in any case, I would still be interested in a site factor plugin
>> example, because I might revisit this in the future.
>> 
>> Cheers,
> 
> Cheers,
> 
> Loris
> 
> -- 
> Dr. Loris Bennett (Herr/Mr)
> ZEDAT, Freie Universität Berlin
> 

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