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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.provision.autoscale;
import com.yahoo.config.provision.NodeResources;
/**
* A resource subject to autoscaling
*
* @author bratseth
*/
public enum Resource {
/** Cpu utilization ratio */
cpu {
public double idealAverageLoad() { return 0.8; }
double valueFrom(NodeResources resources) { return resources.vcpu(); }
},
/** Memory utilization ratio */
memory {
public double idealAverageLoad() { return 0.7; }
double valueFrom(NodeResources resources) { return resources.memoryGb(); }
},
/** Disk utilization ratio */
disk {
public double idealAverageLoad() { return 0.6; }
double valueFrom(NodeResources resources) { return resources.diskGb(); }
};
/** The load we should have of this resource on average, when one node in the cluster is down */
public abstract double idealAverageLoad();
abstract double valueFrom(NodeResources resources);
}
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