| /* |
| * 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 org.apache.solr.core.SolrInfoBean; |
| import org.apache.solr.metrics.MetricsMap; |
| 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 { |
| |
| private boolean disableEntryList = Boolean.getBoolean("disableSolrFieldCacheMBeanEntryList"); |
| private boolean disableJmxEntryList = Boolean.getBoolean("disableSolrFieldCacheMBeanEntryListJmx"); |
| |
| private SolrMetricsContext solrMetricsContext; |
| |
| @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 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(metricsMap, true, "fieldCache", Category.CACHE.toString(), scope); |
| } |
| } |