On 2026/02/18 01:56, Adam Novak via slurm-users wrote:
...
Toil can't handle multiple copies of the same job running at once
...
Is it possible to write an idempotent sbatch command, where it can be run
any number of times but will only actually submit one copy of the job?
Could you not make use of the
--dependency=singleton
constraint, to achieve something close to what your meta-scheduler needs?
From the sbatch manpage:
singleton
This job can begin execution after any previously launched jobs sharing
the same job name and user have terminated. In other words, only one job
by that name and owned by that user can be running or suspended at any
point in time. In a federation, a singleton dependency must be fulfilled
on all clusters unless DependencyParameters=disable_remote_singleton is
used in slurm.conf.
You would still need to catch any queued dupe(s) that your meta-scheduler
created
but there wouldn't be two running at once.
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