org.elasticsearch.index.warmer.ShardIndexWarmerService Maven / Gradle / Ivy
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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.index.warmer;
import org.apache.logging.log4j.Logger;
import org.elasticsearch.common.metrics.CounterMetric;
import org.elasticsearch.common.metrics.MeanMetric;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.index.shard.AbstractIndexShardComponent;
import org.elasticsearch.index.shard.ShardId;
import java.util.concurrent.TimeUnit;
public class ShardIndexWarmerService extends AbstractIndexShardComponent {
private final CounterMetric current = new CounterMetric();
private final MeanMetric warmerMetric = new MeanMetric();
public ShardIndexWarmerService(ShardId shardId, IndexSettings indexSettings) {
super(shardId, indexSettings);
}
public Logger logger() {
return this.logger;
}
public void onPreWarm() {
current.inc();
}
public void onPostWarm(long tookInNanos) {
current.dec();
warmerMetric.inc(tookInNanos);
}
public WarmerStats stats() {
return new WarmerStats(current.count(), warmerMetric.count(), TimeUnit.NANOSECONDS.toMillis(warmerMetric.sum()));
}
}