[slurm-users] How can I make sure my user have only one job per node (Job array --exclusive=user,)

Hi, I have a cluster of 20-nodes, and I want to run a jobarray on that cluster, but I want each node to get one job per node.

When I do the following: #!/bin/bash #SBATCH --job-name=process_images_train # Job name #SBATCH --time=50:00:00 # Time limit hrs:min:sec #SBATCH --tasks=1 #SBATCH --cpus-per-task=4 #SBATCH --mem=50000 #SBATCH --array=0-19# 19 # Job array with 20 jobs (0 to 19)

I get 10 jobs in node #1 and 10 jobs in node #20, I want a job in each node.

I've tried: #SBATCH --exclusive=user Also #SBATCH --spread-job #SBATCH --distribution=cyclic

Nothing changes, node#1 got 10 jobs and node#2 got 10 jobs.

Thanks