[slurm-users] Slurm commands for launching tasks: salloc and sbatch

Mike Mikailov mmikailov at gmail.com
Wed Jul 5 11:37:25 UTC 2023

Thank you Loris, for the further clarifications. The only question is who will wait forever in interactive mode? And how practical is it?

Interactive mode is what its name implies - interactive, not queueing.

It would make more sense if the default setting for deadline would be set to a reasonable time not indefinite in Slurm. 

Sent from my iPhone

> On Jul 5, 2023, at 1:43 AM, Loris Bennett <loris.bennett at fu-berlin.de> wrote:
> Mike Mikailov <mmikailov at gmail.com> writes:
>> About the last point. In the case of sbatch the jobs wait in the queue as long as it takes until the resources are available. In the case of interactive jobs
>> (at least using Son of Grid Engine) they fail after a short time if no resources available. 
> But you were referring to 'salloc' and not something SGE does.  The
> default for 'salloc' is to wait indefinitely.  You can change this
> behaviour with the option '--deadline':
>   --deadline=<OPT>
>           remove the job if no ending is possible before this deadline
>           (start > (deadline - time[-min])).  Default is no deadline.
>           Valid time formats are:
>           HH:MM[:SS] [AM|PM]
>           MMDD[YY] or MM/DD[/YY] or MM.DD[.YY]
>           MM/DD[/YY]-HH:MM[:SS]
>           YYYY-MM-DD[THH:MM[:SS]]]
>           now[+count[seconds(default)|minutes|hours|days|weeks]]
> [snip (36 lines)]
>> Queuing system  No  Yes  
>> I am not sure what you mean with the last point, since 'salloc' is also
>> handled by the queueing system.  If the resources requested are
>> currently not available, 'salloc' will wait until they are.
> [snip (42 lines)]
> -- 
> Dr. Loris Bennett (Herr/Mr)
> ZEDAT, Freie Universität Berlin

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