How to work with SLURM

General commands

man sbatch
man squeue
man scancel

Submitting jobs

myscript.scr

#!/bin/bash
#
#SBATCH -p general # partition (queue)
#SBATCH -N 1 # number of nodes
#SBATCH -n 1 # number of cores
#SBATCH –mem 100 # memory pool for all cores
#SBATCH -t 0-2:00 # time (D-HH:MM)
#SBATCH -o slurm.%N.%j.out # STDOUT
#SBATCH -e slurm.%N.%j.err # STDERR
#SBATCH –mail-type=END,FAIL # notifications for job done & fail
#SBATCH –mail-user=myemail@harvard.edu # send-to address

for i in {1..100000}; do
echo $RANDOM >> SomeRandomNumbers.txt
done

sort SomeRandomNumbers.txt

Now you can submit your job with the command:

sbatch myscript.scr

Information on jobs

List all current jobs for a user:

List all running jobs for a user:

List all pending jobs for a user:

List priority order of jobs for the current user (you) in a given partition:

List all current jobs in the general partition for a user:

List detailed information for a job (useful for troubleshooting):

List status info for a currently running job:

Once your job has completed, you can get additional information that was not available during the run. This includes run time, memory used, etc.

To get statistics on completed jobs by jobID:

To view the same information for all jobs of a user: