If there is room, the cpu will be used. When things get tight, the RG  cap will 
be enforced.

HTH,

<snip>
If you remember I had a situation where the CPU was hitting its four hour avg 
and soft capping itself.  When this happens CICS and DB2 aren't allowed to flex 
above and I get max socket errors within the busiest CICS.  At the advice of 
the group I set up a resource group and associated to a service class to batch 
jobs that I blame for running the service units up during the day initiating 
the capping.  The resource group definition is CPU% based and I selected 20% 
max and 1 % min.  Single jobs that are using this group regularly exceed the 
20% max, multiple jobs really exceed the max collectively.  Am I 
misunderstanding how this works?  The goal was limit the number of SUs consumed 
by batch and spread it out longer in the day in hopes to avoid the capping.
</snip>
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