Hi Aaron! Yes, the QoS priority is already 0 for the free account. But, what you’ve suggested is definitely an ok workaround; setting the other QoS’ to have a priority > 0. Thanks for the suggestion!
Best, Chris — Christopher Coffey High-Performance Computing Northern Arizona University 928-523-1167 On 2/18/15, 6:31 AM, "Aaron Knister" <[email protected]> wrote: > >Hi Chris, > >Have you tried setting the priority of the wow itself to 0? If you set >the priority of the other QOS's to something like 1000 this should >prevent a "free" job from being scheduled ahead of a non free job. I >think you'll also want to set the various PriorityWeight* settings such >that the QOS priority is weighted heavily enough to ensure it has the >final say above all other factors. Perhaps you could set the QOS priority >weight to be an order of magnitude above all other weights. Maybe this'll >help: http://slurm.schedmd.com/priority_multifactor.html#general > >Hope that helps! > >Sent from my iPhone > >> On Feb 17, 2015, at 3:48 PM, Christopher B Coffey >><[email protected]> wrote: >> >> Hi, thanks for the reply! >> >> Unfortunately, that option only dictates how much time is counted toward >> fairshare use. I have that set at 0, which works well for what it’s >>meant >> for. >> >> But still I can’t think of a way to exclude an account from the extra >> priority points by the various factors: partition, job size .. Etc. >> >> — >> Christopher Coffey >> High-Performance Computing >> Northern Arizona University >> 928-523-1167 >> >> >> >> >>> On 2/17/15, 8:09 AM, "Mehdi Denou" <[email protected]> wrote: >>> >>> >>> Hi, >>> >>> Parhaps setting UsageFactor to "0" for this qos could do what you're >>> looking for ? >>> >>> Le 13/02/2015 18:49, Christopher B Coffey a écrit : >>>> Hi, >>>> >>>> I have this idea of a “free” account/qos. This account is preemptable >>>> by >>>> all other qos’. This account does not have any fairshare. It’s >>>>almost >>>> complete. But this account still receives priority points from the >>>> factors like: job size, partition, … Etc. >>>> >>>> Is it possible to have an account excluded from priority points given >>>>by >>>> factor weights? Apologies if this should be obvious, I haven’t >>>>figured >>>> it >>>> out yet from the man pages. >>>> >>>> This free account could be default for special accounts like >>>>affiliates >>>> with low priority. Or maybe folks want to preserve their fairshare >>>> points >>>> for debugging, short type jobs, or ones that checkpoint that can deal >>>> with >>>> being preempted. >>>> >>>> There is also no way to subtract priority points from qos’ with >>>>sacctmgr >>>> from what I can tell. >>>> >>>> It looks like in a situation like this, the qos should have the >>>> “NoReserve” flag set too, correct? >>>> >>>> Thanks! >>>> >>>> Chris >>> >>> -- >>> --- >>> Mehdi Denou >>> International HPC support >>> +336 45 57 66 56 >>
