> However, I do think Scott's approach is potentially very useful, by directing > jobs < full node to one end of a list of nodes and jobs that want full nodes > to the other end of the list (especially if you use the partition idea to > ensure that not all nodes are accessible to small jobs).
Yes, not First In Last Out scheduling, more like Fragmentary Entry Fractional Incoming First Out Full Unreserved for MPI FEFIFOFUM I shall get my coat on the way out. On 12 June 2018 at 06:33, Chris Samuel <ch...@csamuel.org> wrote: > Hi Prentice! > > On Tuesday, 12 June 2018 4:11:55 AM AEST Prentice Bisbal wrote: > > > I to make this work, I will be using job_submit.lua to apply this logic > > and assign a job to a partition. If a user requests a specific partition > > not in line with these specifications, job_submit.lua will reassign the > > job to the appropriate QOS. > > Yeah, that's very much like what we do for GPU jobs (redirect them to the > partition with access to all cores, and ensure non-GPU jobs go to the > partition with fewer cores) via the submit filter at present.. > > I've already coded up something similar in Lua for our submit filter (that > only > affects my jobs for testing purposes) but I still need to handle memory > correctly, in other words only pack jobs when the per-task memory request > * > tasks per node < node RAM (for now we'll let jobs where that's not the > case go > through to the keeper for Slurm to handle as now). > > However, I do think Scott's approach is potentially very useful, by > directing > jobs < full node to one end of a list of nodes and jobs that want full > nodes > to the other end of the list (especially if you use the partition idea to > ensure that not all nodes are accessible to small jobs). > > cheers! > Chris > -- > Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf >
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