org.apache.solr.search.SolrFieldCacheBean Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.solr.search;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.solr.core.SolrInfoBean;
import org.apache.solr.metrics.MetricsMap;
import org.apache.solr.metrics.SolrMetricProducer;
import org.apache.solr.metrics.SolrMetricsContext;
import org.apache.solr.uninverting.UninvertingReader;
/**
* A SolrInfoBean that provides introspection of the Solr FieldCache
*
*/
public class SolrFieldCacheBean implements SolrInfoBean, SolrMetricProducer {
private boolean disableEntryList = Boolean.getBoolean("disableSolrFieldCacheMBeanEntryList");
private boolean disableJmxEntryList = Boolean.getBoolean("disableSolrFieldCacheMBeanEntryListJmx");
private SolrMetricsContext solrMetricsContext;
private Set metricNames = ConcurrentHashMap.newKeySet();
@Override
public String getName() { return this.getClass().getName(); }
@Override
public String getDescription() {
return "Provides introspection of the Solr FieldCache ";
}
@Override
public Category getCategory() { return Category.CACHE; }
@Override
public Set getMetricNames() {
return metricNames;
}
@Override
public SolrMetricsContext getSolrMetricsContext() {
return solrMetricsContext;
}
@Override
public void initializeMetrics(SolrMetricsContext parentContext, String scope) {
this.solrMetricsContext = parentContext;
MetricsMap metricsMap = new MetricsMap((detailed, map) -> {
if (detailed && !disableEntryList && !disableJmxEntryList) {
UninvertingReader.FieldCacheStats fieldCacheStats = UninvertingReader.getUninvertedStats();
String[] entries = fieldCacheStats.info;
map.put("entries_count", entries.length);
map.put("total_size", fieldCacheStats.totalSize);
for (int i = 0; i < entries.length; i++) {
final String entry = entries[i];
map.put("entry#" + i, entry);
}
} else {
map.put("entries_count", UninvertingReader.getUninvertedStatsSize());
}
});
solrMetricsContext.gauge(this, metricsMap, true, "fieldCache", Category.CACHE.toString(), scope);
}
}