org.elasticsearch.index.warmer.ShardIndexWarmerService Maven / Gradle / Ivy
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This OSGi bundle wraps ${pkgArtifactId} ${pkgVersion} jar file.
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.warmer;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.metrics.CounterMetric;
import org.elasticsearch.common.metrics.MeanMetric;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.settings.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();
@Inject
public ShardIndexWarmerService(ShardId shardId, @IndexSettings Settings indexSettings) {
super(shardId, indexSettings);
}
public ESLogger 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()));
}
}