Re: [slurm-users] Priority access for a group of users

2019-03-01 Thread Mark Hahn
I'm a fan of the suspend mode myself but that is dependent on users not asking for all the ram by default. If you can educate the users then this works really well as the low priority job stays in ram in suspended mode while the high priority job completes and then the low priority job continues f

Re: [slurm-users] Priority access for a group of users

2019-03-01 Thread Michael Gutteridge
Along those lines, there is the slurm.conf setting for _JobRequeue_ which controls the default behavior for jobs' ability to be re-queued. - Michael On Fri, Mar 1, 2019 at 7:07 AM Thomas M. Payerle wrote: > My understanding is that with PreemptMode=requeue, the running scavenger > job process

Re: [slurm-users] Priority access for a group of users

2019-03-01 Thread Thomas M. Payerle
My understanding is that with PreemptMode=requeue, the running scavenger job processes on the node will be killed, but the job will be placed back int he queue (assuming the job's specific parameters allow this. A job can have a --no-requeue flag set, in which case I assume it behaves the same as

Re: [slurm-users] Priority access for a group of users

2019-03-01 Thread Antony Cleave
I have always assumed that cancel just kills the job whereas requeue will cancel and then start from the beginning. I know that requeue does this. I never tried cancel. I'm a fan of the suspend mode myself but that is dependent on users not asking for all the ram by default. If you can educate the

[slurm-users] Migrate the slurmdbd service to another server

2019-03-01 Thread Ole Holm Nielsen
We're one of the many Slurm sites which run the slurmdbd database daemon on the same server as the slurmctld daemon. This works without problems at our site given our modest load, however, SchedMD recommends to run the daemons on separate servers. Contemplating how to upgrade our cluster from

Re: [slurm-users] Priority access for a group of users

2019-03-01 Thread david baker
Hello, Following up on implementing preemption in Slurm. Thank you again for all the advice. After a short break I've been able to run some basic experiments. Initially, I have kept things very simple and made the following changes in my slurm.conf... # Premption settings PreemptType=preempt/part