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Signal Forwarding to Jobscripts #242

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@cmeesters

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@cmeesters

On clusters with the SLURM batch system, ordinary jobscripts are able to utilize sbatch's signal forwarding feature (see manual, syntax --signal=[{R|B}:]<sig_num>[@sig_time]) to send signals to the application before hitting the wall time. The use case is that applications may use the remaining time to stage back a checkpoint file onto the parallel file system.

To support this feature within this plugin:

  • a flag has to be implemented and the --signal flag to be triggered upon a user request.
  • the jobstep plugin must be able to receive that signal and forward it to the 3rd party application.

This feature request is related to issue #snakemake/snakemake#3241 .

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