[slurm-users] Evenly use all nodes

Timo Rothenpieler timo.rothenpieler at uni-bremen.de
Thu Jul 2 18:21:48 UTC 2020


Our cluster is very rarely fully utilized, often only a handful of jobs 
are running.
This has the effect that the first couple nodes get used a whole lot 
more frequently than the ones further near the end of the list.

This is primarily a problem because of the SSDs in the nodes. They 
already show a significant difference in their wear level between the 
first couple and all the remaining nodes.

Is there some way to nicely assign jobs to nodes such that all nodes get 
roughly equal amounts of jobs/work?
I looked through possible options to the SelectType, but nothing looks 
like it does anything like that.

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