Re: [slurm-users] Partition question

2019-12-19 Thread Renfro, Michael
My current batch queues have a 30-day limit, and I’ll likely be reducing that to maybe 7 days for most users in the near future, as it will make priority and fairshare mechanisms more responsive (even if a high-priority job gets bumped to the top of the queue, it may still have to wait a few day

Re: [slurm-users] Partition question

2019-12-19 Thread Ransom, Geoffrey M.
The simplest is probably to just have a separate partition that will only allow job times of 1 hour or less. This is how our Univa queues used to work, by overlapping the same hardware. Univa shows available "slots" to the users and we had a lot of confused users complaining about al

Re: [slurm-users] Partition question

2019-12-16 Thread Brian Andrus
There are numerous ways to get this functionality. The simplest is probably to just have a separate partition that will only allow job times of 1 hour or less. There are also options that would involve preemption of the longer jobs so the quicker ones could run, priorities, etc. It all depe

[slurm-users] Partition question

2019-12-16 Thread Ransom, Geoffrey M.
Hello I am looking into switching from Univa (sge) to slurm and am figuring out how to implement some of our usage policy in slurm. We have a Univa queue which uses job classes and RQSes to limit jobs with a run time over 4 hours to only half the available slots (CPU cores) so some slots ar