[GE users] Background jobs

eddale eddale at cs.unc.edu
Tue Aug 4 20:12:37 BST 2009


I've been tasked with creating a grid configuration that saturates the 
grid with background jobs at all times.  Anytime a foreground job is 
submitted, it should take priority and execute.  My boss would like this 
to be done by having an equal number of foreground and background slots 
so that a 16-cpu node would have 32 slots, 16 belonging in the 
foreground queue and 16 in the background queue.  Background jobs should 
be run with a nice value of +20 and never be suspended with the thought 
that the nice value will eliminate any contention.

Does anybody have any thoughts on this configuration?  I'm not crazy 
about always oversubscribing the nodes.  Ideally, we'd be able to use 
the slot-wise suspension that Harald Pollinger posted previously, but we 
can't wait for that to be implemented.



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