Are you aware that as long as SchedulerType is not set to anything explicitly, select/linear is the default? You won't get good utilization with that (Tuning the rest seems secondary to me. Only worth a look if you confirm that you want to reserve whole nodes.) Regards, Benjamin
Am 30. Oktober 2016 19:00:28 MEZ, schrieb Vlad Firoiu <[email protected]>: >Here's a portion of slurm.conf: > ># SCHEDULING >SchedulerType=sched/backfill >SchedulerParameters=bf_continue,bf_window=10080,bf_resolution=600,bf_max_job_test=10000,bf_interval=30,bf_max_job_user=50 >#SchedulerAuth= >#SchedulerPort= >#SchedulerRootFilter= >## SelectType=select/linear >FastSchedule=0 >PriorityType=priority/multifactor >PriorityDecayHalfLife=7-0 >PriorityUsageResetPeriod=MONTHLY >#PriorityDecayHalfLife=14-0 >#PriorityUsageResetPeriod=14-0 >#PriorityWeightFairshare=100000 >#PriorityWeightAge=1000 >#PriorityWeightPartition=10000 >#PriorityWeightJobSize=1000 >#PriorityMaxAge=1-0 ># >PriorityWeightQOS = 100000 >PriorityWeightFairShare = 1000 >PriorityWeightAge = 10 >PriorityWeightJobSize = 1 >PriorityWeightPartition = 1 >PriorityMaxAge=1-0 > >The particular job in question has 0 priority. > >On Sat, Oct 29, 2016 at 7:50 PM, Benjamin Redling < >[email protected]> wrote: > >> Are you allowed and able to post the slurm.conf? What does sprio -o >%Q -j >> <JobID> say about that job? BR, Benjamin >> >> Am 29. Oktober 2016 20:56:18 MESZ, schrieb Vlad Firoiu ><[email protected] >> >: >>> >>> I'm trying to figure out why utilization is low on our university >>> cluster. It appears that many cores are available, but a minimal >resource >>> 10 minute job has been waiting in queue for days. There happen to be >some >>> big high priority jobs at the front of the queue, and I've noticed >that >>> these are being constantly scheduled and unscheduled. Is this >expected >>> behavior? Might it be causing slurm to never reach lower priority >jobs and >>> consider them for scheduling/backfill? >>> >> >> -- >> Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail >> gesendet. >> -- Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail gesendet.
