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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.index.engine.internal; | |
import com.carrotsearch.randomizedtesting.annotations.Nightly; | |
import com.carrotsearch.randomizedtesting.annotations.Seed; | |
import com.google.common.base.Predicate; | |
import org.apache.lucene.index.LogByteSizeMergePolicy; | |
import org.apache.lucene.util.LuceneTestCase; | |
import org.elasticsearch.action.admin.indices.stats.IndicesStatsResponse; | |
import org.elasticsearch.action.bulk.BulkRequestBuilder; | |
import org.elasticsearch.action.bulk.BulkResponse; | |
import org.elasticsearch.action.index.IndexRequestBuilder; | |
import org.elasticsearch.client.Requests; | |
import org.elasticsearch.cluster.metadata.IndexMetaData; | |
import org.elasticsearch.common.settings.ImmutableSettings; | |
import org.elasticsearch.index.merge.policy.LogDocMergePolicyProvider; | |
import org.elasticsearch.test.ElasticsearchIntegrationTest; | |
import org.hamcrest.Matchers; | |
import org.junit.Test; | |
import java.io.IOException; | |
import java.util.ArrayList; | |
import java.util.List; | |
import java.util.concurrent.ExecutionException; | |
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder; | |
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked; | |
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertNoFailures; | |
/** | |
*/ | |
@ElasticsearchIntegrationTest.ClusterScope(numNodes = 1, scope = ElasticsearchIntegrationTest.Scope.SUITE) | |
public class InternalEngineMergeTests extends ElasticsearchIntegrationTest { | |
@Test | |
@LuceneTestCase.Slow | |
// @Nightly | |
@Seed("0") | |
public void testMergesHappening() throws InterruptedException, IOException, ExecutionException { | |
final int numOfShards = 5; | |
// some settings to keep num segments low | |
assertAcked(prepareCreate("test").setSettings(ImmutableSettings.builder() | |
.put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, numOfShards) | |
.put(LogDocMergePolicyProvider.MIN_MERGE_DOCS_KEY, 10) | |
.put(LogDocMergePolicyProvider.MERGE_FACTORY_KEY, 5) | |
.put(LogByteSizeMergePolicy.DEFAULT_MIN_MERGE_MB, 0.5).build())); | |
long id = 0; | |
final int rounds = scaledRandomIntBetween(100, 300); | |
logger.info("Starting rounds [{}] ", rounds); | |
for (int i = 0; i < rounds; ++i) { | |
List<IndexRequestBuilder> builders = new ArrayList<>(); | |
final int numDocs = scaledRandomIntBetween(500, 1000); | |
BulkRequestBuilder request = client().prepareBulk(); | |
for (int j = 0; j < numDocs; ++j) { | |
request.add(Requests.indexRequest("test").type("type1").id(Long.toString(id++)).source(jsonBuilder().startObject().field("l", randomLong()).endObject())); | |
} | |
BulkResponse response = request.execute().actionGet(); | |
refresh(); | |
assertNoFailures(response); | |
IndicesStatsResponse stats = client().admin().indices().prepareStats("test").setSegments(true).setMerge(true).get(); | |
logger.info("index round [{}] - segments {}, total merges {}, current merge {}", i, stats.getPrimaries().getSegments().getCount(), stats.getPrimaries().getMerge().getTotal(), stats.getPrimaries().getMerge().getCurrent()); | |
} | |
awaitBusy(new Predicate<Object>() { | |
@Override | |
public boolean apply(Object input) { | |
IndicesStatsResponse stats = client().admin().indices().prepareStats().setSegments(true).setMerge(true).get(); | |
logger.info("numshards {}, segments {}, total merges {}, current merge {}", numOfShards, stats.getPrimaries().getSegments().getCount(), stats.getPrimaries().getMerge().getTotal(), stats.getPrimaries().getMerge().getCurrent()); | |
long current = stats.getPrimaries().getMerge().getCurrent(); | |
long count = stats.getPrimaries().getSegments().getCount(); | |
return count < 50 && current == 0; | |
} | |
}); | |
IndicesStatsResponse stats = client().admin().indices().prepareStats().setSegments(true).setMerge(true).get(); | |
logger.info("numshards {}, segments {}, total merges {}, current merge {}", numOfShards, stats.getPrimaries().getSegments().getCount(), stats.getPrimaries().getMerge().getTotal(), stats.getPrimaries().getMerge().getCurrent()); | |
long count = stats.getPrimaries().getSegments().getCount(); | |
assertThat(count, Matchers.lessThanOrEqualTo(50l)); | |
} | |
} |
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