[slurm-users] runtime priority

Ole Holm Nielsen Ole.H.Nielsen at fysik.dtu.dk
Wed Jul 1 09:11:17 UTC 2020

On 6/30/20 4:52 PM, Lawrence Stewart wrote:
> How does one configure the runtime priority of a job?  That is, how do you set the CPU scheduling “nice” value?
> We’re using Slurm to share a large (16 core 768 GB) server among FPGA compilation jobs.  Slurm handles core and memory reservations just fine, but runs everything nice -19, which makes for hugh load averages and terrible interactive performance.
> Manually setting the compilation processes with “renice 19 <pid>” works fine, but is tedious.

I wonder why your Slurm tasks are running at nice -19 in the OS, this is 
not normal!  You have probably configured this yourself somehow in the OS 
or the slurmd configuration.  Maybe this information can be of use:

Can you tell us your Slurm version and your OS?


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