International Business Machines Corporation

Sujit Bhandari

Michael H Dawson

Joran S C Siu

Kenneth Blair Kent

Panos Patros

Maria Patrou

A method manages a cluster. A computer system determines a measurement of a process variable for the cluster, wherein the process variable indicates a quality of service for the cluster. The computer system determines a comparison between the measurement of the process variable and a desired value for the process variable. The computer system determines an adjustment to a setpoint for a runtime metric in the cluster based on the comparison, wherein the runtime metric is a control variable for the cluster. The computer system updates the setpoint for the runtime metric in a controller for the cluster using the adjustment, wherein the runtime metric is used by the controller as the control variable to scale a set of resources in the cluster to cause a value of the runtime metric to move towards the setpoint.

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Fredericton, Canada

Sujit Bhandari