[slurm-users] Features request

Diego Zuccato diego.zuccato at unibo.it
Fri Sep 25 06:20:55 UTC 2020

Il 25/09/20 00:04, Relu Patrascu ha scritto:

> 1. Allow preemption in the same QOS, all else being equal, based on job
> priority.
You'd risk having jobs continuously preempted by jobs that have been in
queue for a bit: once a job starts, it stops accumulating priority ->
another job preempts the first, sending it back in queue -> the first
job accumulates some more priority and preempts the second -> loop !

> 2. Job size calculation to take into account the number of GPUs
> allocated to the job. In a GPU cluster the most valuable currency being
> the GPU, not the CPU. Perhaps even parameterize the job size so the user
> could choose what to emphasize in calculation: cpu, gpu, memory.
IIUC, you can already do that. See TRESBillingWeights option: just set
the CPU and RAM to a low value relative to TRES/gpu.

Diego Zuccato
DIFA - Dip. di Fisica e Astronomia
Servizi Informatici
Alma Mater Studiorum - Università di Bologna
V.le Berti-Pichat 6/2 - 40127 Bologna - Italy
tel.: +39 051 20 95786

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