16.0 Green computing > How-to's > Adjusting green pool size
16.3.5 Adjusting green pool size
Context
The MAXGREENSTANDBYPOOLSIZE parameter allows you to allocate the number of nodes to keep powered on in the standby pool. This is the number of idle nodes that are allowed be powered on and idle. As the workload changes, Moab turns nodes on or off to try to meet this goal. The default value is 0.
To adjust the green pool size
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Modify the MAXGREENSTANDBYPOOLSIZE parameter with the number of nodes you want Moab to keep powered on for the standby pool.
MAXGREENSTANDBYPOOLSIZE 10
Moab keeps up to 10 idle nodes powered on to be kept on standby.
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