Hi Ulf,

Ulf Markwardt <[email protected]>
writes:

> Dear all,
>
> I have a problem with a large reservation in a few hours, ~1700
> long-running jobs waiting to start afterwards and my short job (srun -t
> 1 hostname) with priority of 1 that would fill any gap...
>
>
> "sdiag" always shows a value of about 100 as "Last depth cycle" for
> backfilling. Does that mean that it only looks at the first 100 jobs?
> I thought, bf_continue should take care of this, so that the next
> backfilling test starts where the last has finished.
>
> At the moment we have 15.08.6 running with:
> SchedulerParameters=bf_interval=30,bf_max_job_test=2000,bf_window=7200,default_queue_depth=5000,bf_continue,sched_interval=120,defer
> (Some values might be too high for production, but I was desperate to ge
> my job running...)

Is your bf_window at least as large as the timelimit on the partition in
question?  If not, see the info about bf_window on the slurm.conf
manpage.

> Can anybody give me a hint on how to change this so that my low priority
> job gets scheduled?
>
> Thanks a lot,
> Ulf
>
> PS. As soon as I give this job a Nice=-200 it starts, but that is not
> the way I want it :-)

Cheers,

Loris

-- 
Dr. Loris Bennett (Mr.)
ZEDAT, Freie Universität Berlin         Email [email protected]

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