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Status Submitted
Workspace z/OS
Categories BCP_Capacity Provisioning
Created by Guest
Created on Dec 10, 2025

RELATED IDEAS

Flexibility to allow different actions by CPM in response to the sharpness of the spike in capacity demand

The current CPM policy only allow a single action when the CPC CPU utilization has gone above the monitoring threshold. There is no ability to allow CPM to add different amount of capacity in response to the sharpness of the spike in the capacity demand.


For example, assume 90% is the threshold to trigger the CP addition, if the CPU utilization has increased from 80% to 91% during the monitoring interval (e.g 1 min), 1 additional physical CP would be added while if the CPU utilization has increased from 70% to 91% during the monitoring interval (1 min), 3 additional physical CPs would be added in response to the quick surge in the demand.


Although both situations has the CPU utilization above the 90% threshold, the slope of the increase in demand is very different. A single, non-adjustable response would not address the capacity demand gracefully which could led to CPU utilization reaching 100% and causing service impact.


In additions, the current smallest monitoring interval is 1 min and depends on the generation of the CPC, it could take up to 2 mins for OOCoD to activate the require CPs to process the demand. This delay in capacity increase would also cause more extensive service impact.


Idea priority High

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