[slurm-users] Reset TMPDIR for All Jobs

Greg Wickham greg.wickham at kaust.edu.sa
Tue May 19 06:59:16 UTC 2020

Hi Erik,

We use a private fork of https://github.com/hpc2n/spank-private-tmp

It has worked quite well for us - jobs (or steps) don’t share a /tmp and during the prolog all files created for the job/step are deleted.

Users absolutely cannot see each others temporary files so there’s no issue even if they happen to have a hard corded path ie: /tmp/myfiles.txt


On 12 May 2020, at 18:40, Ellestad, Erik <Erik.Ellestad at ucsf.edu<mailto:Erik.Ellestad at ucsf.edu>> wrote:

I was wanted to set TMPDIR from /tmp to a per job directory I create in local /scratch/$SLURM_JOB_ID (for example)

This bug suggests I should be able to do this in a task-prolog.


However adding the following to task-prolog doesn’t seem to affect the variables the job script is running with.

unset TMPDIR
export TMPDIR=/scratch/$SLURM_JOB_ID

It does work if it is done in the job script, rather than the task-prolog.

Am I missing something?


Erik Ellestad
Wynton Cluster SysAdmin

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