Hi Albert,

have a look at the defer scheduler parameter from the high throughput guide. 
This should help in your case.

Best regards
Dominik
________________________________________
Von: Albert Solernou [[email protected]]
Gesendet: Freitag, 24. Januar 2014 10:58
An: slurm-dev
Betreff: [slurm-dev] Re: unresponsive slurmctld

Hi,
It's not that we have too many jobs in the queue, but that some users
submit many quickly through shell scripts.

I'll have a look and see if this sorts the problem out.

Thank you,
Albert

On 23/01/14 16:56, Moe Jette wrote:
>
> There is advise about high-throughput computing here:
> http://slurm.schedmd.com/high_throughput.html
>
> While circumstances at each site vary, I would generally recommend a
> default_queue_depth value lower than 100 for systems with high rates of
> job submissions.
>
> Quoting Ulf Markwardt <[email protected]>:
>
>> Hello Albert,
>>
>> * what is the numer of jobs in the queue?
>> * did you see some heavy submitting ?
>>
>> -
>>
>> Just yesterday, we had 15.000 Jobs in the queue and a user submitting
>> ~15.000 more in a shell script. To cope with that (surmctld
>> scheduling, but not responding)  we had to modify our slurm.conf. We
>> now have something like this:
>>
>> SchedulerType=sched/backfill
>> SchedulerParameters=default_queue_depth=100,max_job_bf=600,bf_interval=30,bf_max_job_user=10,bf_window=1440,bf_continue
>>
>>
>> This wave is over now, but I know our biologists are preparing their
>> next high-throughput experiment...
>>
>> Regards,
>> Ulf
>>
>> --
>> ___________________________________________________________________
>> Dr. Ulf Markwardt
>>
>> Dresden University of Technology
>> Center for Information Services and High Performance Computing (ZIH)
>> 01062 Dresden, Germany
>>
>> Phone: (+49) 351/463-33640      WWW:  http://www.tu-dresden.de/zih
>>
>>
>

--
---------------------------------
   Dr. Albert Solernou
   Research Associate
   Oxford Supercomputing Centre,
   University of Oxford
   Tel: +44 (0)1865 610631
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