| /* |
| * 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.geode.internal.cache; |
| |
| import static org.apache.geode.test.dunit.VM.getVM; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| import java.io.Serializable; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import org.apache.geode.cache.DataPolicy; |
| import org.apache.geode.cache.PartitionAttributesFactory; |
| import org.apache.geode.cache.RegionFactory; |
| import org.apache.geode.cache.control.RebalanceOperation; |
| import org.apache.geode.cache.control.RebalanceResults; |
| import org.apache.geode.internal.cache.versions.VersionSource; |
| import org.apache.geode.test.dunit.VM; |
| import org.apache.geode.test.dunit.rules.CacheRule; |
| import org.apache.geode.test.dunit.rules.DistributedRule; |
| |
| public class PartitionedRegionRestartRebalanceDUnitTest implements Serializable { |
| private static final int REDUNDANT_COPIES = 2; |
| private static final int TOTAL_NUM_BUCKETS = 12; |
| private static final Logger logger = LogManager.getLogger(); |
| |
| private String REGION_NAME = getClass().getSimpleName();; |
| private VM[] datastores; |
| |
| @Rule |
| public DistributedRule distributedRule = new DistributedRule(); |
| |
| @Rule |
| public CacheRule cacheRule = new CacheRule(); |
| |
| @Before |
| public void setUp() throws Exception { |
| datastores = new VM[4]; |
| for (int i = 0; i < datastores.length; i++) { |
| datastores[i] = getVM(i); |
| datastores[i].invoke(() -> cacheRule.createCache()); |
| datastores[i].invoke(() -> createRegion()); |
| } |
| datastores[0].invoke(() -> feedData()); |
| } |
| |
| private void createRegion() { |
| PartitionAttributesFactory<String, Integer> paf = new PartitionAttributesFactory(); |
| paf.setRedundantCopies(REDUNDANT_COPIES); |
| paf.setTotalNumBuckets(TOTAL_NUM_BUCKETS); |
| |
| RegionFactory<String, Integer> rf = cacheRule.getCache().createRegionFactory(); |
| rf.setDataPolicy(DataPolicy.PARTITION); |
| rf.setPartitionAttributes(paf.create()); |
| LocalRegion region = (LocalRegion) rf.create(REGION_NAME); |
| } |
| |
| private void feedData() throws InterruptedException { |
| PartitionedRegion pr = (PartitionedRegion) cacheRule.getCache().getRegion(REGION_NAME); |
| for (int i = 0; i < TOTAL_NUM_BUCKETS * 2; i++) { |
| pr.put(i, "VALUE-" + i); |
| if (i < TOTAL_NUM_BUCKETS) { |
| pr.destroy(i); |
| } |
| } |
| cacheRule.getCache().getTombstoneService().forceBatchExpirationForTests(TOTAL_NUM_BUCKETS); |
| } |
| |
| private void rebalance() throws InterruptedException { |
| RebalanceOperation op = |
| cacheRule.getCache().getResourceManager().createRebalanceFactory().start(); |
| RebalanceResults results = op.getResults(); |
| logger.info("Rebalance total time is " + results.getTotalTime()); |
| } |
| |
| private void verify() { |
| PartitionedRegion pr = (PartitionedRegion) cacheRule.getCache().getRegion(REGION_NAME); |
| for (BucketRegion br : pr.getDataStore().getAllLocalBucketRegions()) { |
| Set<VersionSource> departedMemberSet = br.getVersionVector().getDepartedMembersSet(); |
| for (Object key : br.getRegionKeysForIteration()) { |
| RegionEntry entry = br.getRegionEntry(key); |
| departedMemberSet.remove(entry.getVersionStamp().getMemberID()); |
| if (departedMemberSet.isEmpty()) { |
| break; |
| } |
| } |
| Map map = br.getVersionVector().getMemberToVersion(); |
| for (Object key : br.getVersionVector().getMemberToVersion().keySet()) { |
| logger.info(br.getFullPath() + ":" + key + ":" |
| + br.getVersionVector().getMemberToVersion().get(key)); |
| } |
| // The test proved that departedMemberSet is not growing |
| assertThat(departedMemberSet.size()).isLessThanOrEqualTo(datastores.length); |
| } |
| } |
| |
| @Test |
| public void restartAndRebalanceShouldNotIncreaseMemberToVersionMap() { |
| for (int i = 0; i < datastores.length * 10; i++) { |
| datastores[i % datastores.length].invoke(() -> { |
| cacheRule.getCache().close(); |
| }); |
| datastores[(i + 1) % datastores.length].invoke(() -> { |
| rebalance(); |
| verify(); |
| }); |
| datastores[i % datastores.length].invoke(() -> { |
| cacheRule.createCache(); |
| createRegion(); |
| rebalance(); |
| verify(); |
| }); |
| } |
| } |
| } |