Backfill Scheduling


Backfill is a scheduling strategy that allows small, short jobs to run immediately if by doing so they will not delay the expected start time of any higher-priority jobs. Since the expected star time of pending jobs depends upon the expected completion time of running jobs, for backfill to work well, it is important that users set reasonably accurate job time limits 

While the kinds of jobs that can be backfilled will also get a low job size score, it is our general experience that an ability to be backfilled is on the whole more useful when it comes to getting work done on the HPCs.

More information about backfill can be found here.

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