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/*
* 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.search.child;
import org.elasticsearch.action.admin.cluster.stats.ClusterStatsResponse;
import org.elasticsearch.action.admin.indices.mapping.put.PutMappingResponse;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.index.mapper.DocumentMapper;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.index.MergePolicyConfig;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.test.ESIntegTestCase;
import org.elasticsearch.test.InternalSettingsPlugin;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;
public class ParentFieldLoadingIT extends ESIntegTestCase {
@Override
protected Collection<Class<? extends Plugin>> nodePlugins() {
return Arrays.asList(InternalSettingsPlugin.class); // uses index.merge.enabled
}
private final Settings indexSettings = Settings.builder()
.put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, 1)
.put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, 0)
.put(IndexSettings.INDEX_REFRESH_INTERVAL_SETTING.getKey(), -1)
// We never want merges in this test to ensure we have two segments for the last validation
.put(MergePolicyConfig.INDEX_MERGE_ENABLED, false)
.build();
public void testEagerParentFieldLoading() throws Exception {
logger.info("testing lazy loading...");
assertAcked(prepareCreate("test")
.setSettings(indexSettings)
.addMapping("parent")
.addMapping("child", childMapping(false)));
ensureGreen();
client().prepareIndex("test", "parent", "1").setSource("{}", XContentType.JSON).get();
client().prepareIndex("test", "child", "1").setParent("1").setSource("{}", XContentType.JSON).get();
refresh();
ClusterStatsResponse response = client().admin().cluster().prepareClusterStats().get();
assertThat(response.getIndicesStats().getFieldData().getMemorySizeInBytes(), equalTo(0L));
logger.info("testing default loading...");
assertAcked(client().admin().indices().prepareDelete("test").get());
assertAcked(prepareCreate("test")
.setSettings(indexSettings)
.addMapping("parent")
.addMapping("child", "_parent", "type=parent"));
ensureGreen();
client().prepareIndex("test", "parent", "1").setSource("{}", XContentType.JSON).get();
client().prepareIndex("test", "child", "1").setParent("1").setSource("{}", XContentType.JSON).get();
refresh();
response = client().admin().cluster().prepareClusterStats().get();
assertThat(response.getIndicesStats().getFieldData().getMemorySizeInBytes(), equalTo(0L));
logger.info("testing eager global ordinals loading...");
assertAcked(client().admin().indices().prepareDelete("test").get());
assertAcked(prepareCreate("test")
.setSettings(indexSettings)
.addMapping("parent")
.addMapping("child", childMapping(true)));
ensureGreen();
// Need to do 2 separate refreshes, otherwise we have 1 segment and then we can't measure if global ordinals
// is loaded by the size of the field data cache, because global ordinals on 1 segment shards takes no extra memory.
client().prepareIndex("test", "parent", "1").setSource("{}", XContentType.JSON).get();
refresh();
client().prepareIndex("test", "child", "1").setParent("1").setSource("{}", XContentType.JSON).get();
refresh();
response = client().admin().cluster().prepareClusterStats().get();
assertThat(response.getIndicesStats().getFieldData().getMemorySizeInBytes(), greaterThan(0L));
}
public void testChangingEagerParentFieldLoadingAtRuntime() throws Exception {
assertAcked(prepareCreate("test")
.setSettings(indexSettings)
.addMapping("parent")
.addMapping("child", "_parent", "type=parent"));
ensureGreen();
client().prepareIndex("test", "parent", "1").setSource("{}", XContentType.JSON).get();
client().prepareIndex("test", "child", "1").setParent("1").setSource("{}", XContentType.JSON).get();
refresh();
ClusterStatsResponse response = client().admin().cluster().prepareClusterStats().get();
assertThat(response.getIndicesStats().getFieldData().getMemorySizeInBytes(), equalTo(0L));
PutMappingResponse putMappingResponse = client().admin().indices().preparePutMapping("test").setType("child")
.setSource(childMapping(true))
.setUpdateAllTypes(true)
.get();
assertAcked(putMappingResponse);
Index test = resolveIndex("test");
assertBusy(new Runnable() {
@Override
public void run() {
ClusterState clusterState = internalCluster().clusterService().state();
ShardRouting shardRouting = clusterState.routingTable().index("test").shard(0).getShards().get(0);
String nodeName = clusterState.getNodes().get(shardRouting.currentNodeId()).getName();
boolean verified = false;
IndicesService indicesService = internalCluster().getInstance(IndicesService.class, nodeName);
IndexService indexService = indicesService.indexService(test);
if (indexService != null) {
MapperService mapperService = indexService.mapperService();
DocumentMapper documentMapper = mapperService.documentMapper("child");
if (documentMapper != null) {
verified = documentMapper.parentFieldMapper().fieldType().eagerGlobalOrdinals();
}
}
assertTrue(verified);
}
});
// Need to add a new doc otherwise the refresh doesn't trigger a new searcher
// Because it ends up in its own segment, but isn't of type parent or child, this doc doesn't contribute to the size of the fielddata cache
client().prepareIndex("test", "dummy", "dummy").setSource("{}", XContentType.JSON).get();
refresh();
response = client().admin().cluster().prepareClusterStats().get();
assertThat(response.getIndicesStats().getFieldData().getMemorySizeInBytes(), greaterThan(0L));
}
private XContentBuilder childMapping(boolean eagerGlobalOrds) throws IOException {
return jsonBuilder().startObject().startObject("child").startObject("_parent")
.field("type", "parent")
.startObject("fielddata").field("eager_global_ordinals", eagerGlobalOrds).endObject()
.endObject().endObject().endObject();
}
}
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