[slurm-users] How to set priorities of actual obs

kesim ketiwsim at gmail.com
Fri Sep 14 08:09:32 MDT 2018


Dear Dimitri,

Thank you for the answer. I was considering this but I would have to relay
on users to submit their jobs that way. I just found a simpler solution but
also somewhat limited in scope:
If
*PropagatePrioProcess* is set to 0  which is a default then the tasks will
inherit slurmd priority.
You can set it by:  slurmd -n 19

However it would be nicer if the partitions itself can be separately
managed - for short jobs with higher priority etc.

Best regards,

Ketiw

On Fri, Sep 14, 2018 at 3:37 PM Dmitri Chebotarov <dchebota at gmu.edu> wrote:

> Hi Ketiw,
>
> Wouldn't 'nice' work in this case?
>
> $ man nice
> ...
> NAME
>        nice - run a program with modified scheduling priority
>
> SYNOPSIS
>        nice [OPTION] [COMMAND [ARG]...]
> ...
>
> In your submit script you would run the program as
>
> nice -n 19 <program-name>
>
>
>
> -----Original Message-----
> From: slurm-users <slurm-users-bounces at lists.schedmd.com> On Behalf Of
> Loris Bennett
> Sent: Friday, September 14, 2018 9:15 AM
> To: slurm-users at lists.schedmd.com
> Subject: Re: [slurm-users] How to set priorities of actual obs
>
>
> kesim <ketiwsim at gmail.com> writes:
>
> >> On Fri, Sep 14, 2018 at 2:41 PM Loris Bennett <
> loris.bennett at fu-berlin.de> wrote:
> >>
> >>  Hi Ketiw,
> >>
> >>  kesim <ketiwsim at gmail.com> writes:
> >>
> >>  > Dear all,
> >>  >
> >>  > I would like to submit a job in such a way that the actual program
> >> is  > run with the lowest priority (nice=19 on linux). At the moment
> >> every  > task has priority 0. Is it possible to do that and how?
> >>  >
> >>  > Best regards,
> >>  >
> >>  > Ketiw
> >>
> >>  I'm not aware that this is possible. What would be the use-case for
> >> this? Normally you would want a job to make full use of any cores it
> >> had reserved.
>
> > I have slurm running on several desktops and we have only a few
> > application for its use. I would like the slurm submitted tasks to
> > have lowest priority so they are not hampering users who normally work
> > on their desktops.
>
> Please write to the list, rather than to me directly.
>
> I think you can probably achieve what you want with cgroups, but I have no
> experience of doing this myself.
>
> Regards
>
> Loris
>
> --
> Dr. Loris Bennett (Mr.)
> ZEDAT, Freie Universit├Ąt Berlin         Email loris.bennett at fu-berlin.de
>
>
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