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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 java.time.Instant;
/**
* A single measurement of all values we measure for one node.
*
* @author bratseth
*/
public class MetricSnapshot implements Comparable<MetricSnapshot> {
private final Instant at;
private final double cpu;
private final double memory;
private final double disk;
private final long generation;
private final boolean inService;
private final boolean stable;
private final double queryRate;
public MetricSnapshot(Instant at, double cpu, double memory, double disk,
long generation, boolean inService, boolean stable,
double queryRate) {
this.at = at;
this.cpu = cpu;
this.memory = memory;
this.disk = disk;
this.generation = generation;
this.inService = inService;
this.stable = stable;
this.queryRate = queryRate;
}
public Instant at() { return at; }
public double cpu() { return cpu; }
public double memory() { return memory; }
public double disk() { return disk; }
/** Queries per second */
public double queryRate() { return queryRate; }
/** The configuration generation at the time of this measurement, or -1 if not known */
public long generation() { return generation; }
public boolean inService() { return inService; }
public boolean stable() { return stable; }
@Override
public int compareTo(MetricSnapshot other) {
return at.compareTo(other.at);
}
@Override
public String toString() { return "metrics at " + at + ":" +
" cpu: " + cpu +
" memory: " + memory +
" disk: " + disk +
" generation: " + generation +
" inService: " + inService +
" stable: " + stable +
" queryRate: " + queryRate;
}
}
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