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Job Scripts

A job script can be any script that contains special instruction for Slurm. Most commonly used forms are shell scripts, such as bash or plain sh. But other scripting languages (e.g. Python, Perl, R) are also possible.

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The job scripts have to have a shebang line at the top, followed by the #SBATCH options. These #SBATCH  comments have to be at the top, as Slurm stops scanning for them after the first non-comment non-whitespace line (e.g. an echo or variable declaration).

More examples can be found at Examples and Recipes.

Important slurm commands

The commands normally used for job control and management are:

• Job submission:
  $ sbatch jobscript.sh sbatch <jobscript>
srun <arguments> <command>
• Job status of a specific job:
  $ squeue -j jobID for queues/running jobs
  $ scontrol show job jobID for full job information (even after the job finished).

• Job cancellation:
  $ scancel jobID
scancel -i -u $USER cancel all your jobs (-u $USER) but ask for every job (-i)
scancel -9 send kill SIGKILL instead of SIGTERM

• Job overview:
  $ squeue -l -u $USER-me

• Job start (estimated):
  $ squeue --start -j jobID
• Workload overview of the whole system: sinfo (esp. sinfo --format="%25C %A") , squeue -l

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