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[Condor-users] Priority = $(DAGManJobId)


While looking for information on prioritizing dags I found this post (again) :

You can now use DAGManJobId as the value of your job's queue priority, like so:
 Priority = $(DAGManJobId)

This will ensure that jobs submitted by earlier DAGMans will have local, per-user queue priority over jobs submitted by later DAGMans.

I don't really get it. I thought job priority works the other way, higher priority is preferred. And in case I'm right than how can I use the priority expression at all? Should I subtract the DAGManJobId from a really huge number and hope that job ids will never reach it? (I tried using negative values to get around this problem but they seem to be clipped at -1.)

Or is a job rank expression the way to go?