Re: [slurm-users] Changing node weights in partitions

2019-03-23 Thread Jose A
Hello Chris, You got my point. I want a way in which a partition influences the priority with a node takes new jobs. Any tip will be really appreciated. Thanks a lot. Cheers, José > On 23. Mar 2019, at 03:38, Chris Samuel wrote: > >> On 22/3/19 12:51 pm, Ole Holm Nielsen wrote: >> >> The

Re: [slurm-users] strange resource allocation issue - thoughts?

2019-03-23 Thread Sharma, M D
Hi folks, By default slurm allocates the whole node for a job (even if it specifically requested a single core). This is usually taken care of by adding SelectType=select/cons_res along with an appropriate parameter such as SelectTypeParameters=CR_Core_Memory. When testing the job submission

Re: [slurm-users] Backfill advice

2019-03-23 Thread Douglas Jacobsen
Hello, At first blush bf_continue and bf_interval as well as bf_maxjobs (if I remembered the parameter correctly) are critical first steps in tuning. Setting DebugFlags=backfill is essential to getting the needed data to make tuning decisions. Use of per user/account settings if they are too low

[slurm-users] Backfill advice

2019-03-23 Thread david baker
Hello, We do have large jobs getting starved out on our cluster, and I note particularly that we never manage to see a job getting assigned a start time. It seems very possible that backfilled jobs are stealing nodes reserved for large/higher priority jobs. I'm wondering if our backfill configura