"-N 1" restricts a job to a single node.
We've continued to have issues with this. Historically we've had a single
partition with multiple generations of nodes segregated for
multinode scheduling via topology.conf. "Use -N 1" (unless you really know
what you're doing) only goes so far.
There are
Manuel,
You may want to instruct your users to use ‘-c’ or ‘—cpus-per-task’ to define
the number of cpus that they need. Please correct me if I’m wrong, but I
believe that will restrict the jobs to a singe node whereas ‘-n’ or ‘—ntasks’
is really for multi process jobs which can be spread among
