jvarenina commented on a change in pull request #6646: URL: https://github.com/apache/geode/pull/6646#discussion_r661234438
########## File path: geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/parallel/ParallelGatewaySenderAndCQDurableClientDUnitTest.java ########## @@ -0,0 +1,530 @@ +/* + * 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.wan.parallel; + +import static org.apache.geode.distributed.ConfigurationProperties.DISTRIBUTED_SYSTEM_ID; +import static org.apache.geode.distributed.ConfigurationProperties.DURABLE_CLIENT_ID; +import static org.apache.geode.distributed.ConfigurationProperties.REMOTE_LOCATORS; +import static org.apache.geode.internal.cache.wan.wancommand.WANCommandUtils.getMember; +import static org.apache.geode.internal.cache.wan.wancommand.WANCommandUtils.validateGatewaySenderMXBeanProxy; +import static org.apache.geode.internal.cache.wan.wancommand.WANCommandUtils.verifySenderState; +import static org.apache.geode.test.awaitility.GeodeAwaitility.await; +import static org.assertj.core.api.Assertions.assertThat; + +import java.io.Serializable; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Objects; +import java.util.Properties; +import java.util.Set; +import java.util.concurrent.BlockingQueue; + +import org.junit.Rule; +import org.junit.Test; +import org.junit.experimental.categories.Category; + +import org.apache.geode.cache.CacheTransactionManager; +import org.apache.geode.cache.Region; +import org.apache.geode.cache.query.CqAttributesFactory; +import org.apache.geode.cache.query.CqEvent; +import org.apache.geode.cache.query.CqListener; +import org.apache.geode.cache.query.CqQuery; +import org.apache.geode.cache.query.QueryService; +import org.apache.geode.cache.wan.GatewaySender; +import org.apache.geode.internal.cache.InitialImageOperation; +import org.apache.geode.internal.cache.InternalCache; +import org.apache.geode.internal.cache.PartitionedRegion; +import org.apache.geode.internal.cache.RegionQueue; +import org.apache.geode.internal.cache.wan.AbstractGatewaySender; +import org.apache.geode.internal.cache.wan.GatewaySenderEventImpl; +import org.apache.geode.management.internal.cli.util.CommandStringBuilder; +import org.apache.geode.management.internal.i18n.CliStrings; +import org.apache.geode.test.dunit.rules.ClientVM; +import org.apache.geode.test.dunit.rules.ClusterStartupRule; +import org.apache.geode.test.dunit.rules.MemberVM; +import org.apache.geode.test.junit.categories.WanTest; +import org.apache.geode.test.junit.rules.GfshCommandRule; + +@Category({WanTest.class}) +public class ParallelGatewaySenderAndCQDurableClientDUnitTest implements Serializable { + + @Rule + public ClusterStartupRule clusterStartupRule = new ClusterStartupRule(9); + + @Rule + public transient GfshCommandRule gfsh = new GfshCommandRule(); + + private static CqListenerTestReceivedEvents cqListener; + + private MemberVM locatorSite2; + private MemberVM server1Site2; + private MemberVM server2Site2; + private MemberVM server3Site2; + + private ClientVM clientSite2; + private ClientVM clientSite2DurableSubscription; + + public static boolean IS_TEMP_QUEUE_USED = false; + public static boolean IS_HOOK_TRIGGERED = false; + + private static final String DISTRIBUTED_SYSTEM_ID_SITE1 = "1"; + private static final String DISTRIBUTED_SYSTEM_ID_SITE2 = "2"; + private static final String REGION_NAME = "test1"; + private static final String REGION_COLOCATED = "colocatedRegion"; + private static final String REGION_CQ = "SELECT * FROM " + Region.SEPARATOR + REGION_NAME; + private static final String COLO_REGION_CQ = + "SELECT * FROM " + Region.SEPARATOR + REGION_COLOCATED; + + /** + * Issue reproduces when following conditions are fulfilled: + * - Redundant partition region must configured + * - Number of servers must be greater than number of redundant copies of partition region + * - Parallel gateway sender must be configured on partition region + * - Client must register CQs for the region + * - Transactions must be used with put operations + * - Events must enqueued in parallel gateway senders (remote site is unavailable) + * + * Server that is hosting primary bucket will send TXCommitMessage to the server that + * is hosting secondary bucket, and also to the server that is hosting CQ subscription + * queue (if CQ condition is fulfilled). The problem is that server which is hosting CQ + * subscription queue is not hosting the bucket for which event it actually intended. + * In this case the server will store this event in bucketToTempQueueMap because it assumes + * that the bucket is in the process of the creation, which is not correct. + */ + @Test + public void testSubscriptionQueueWan() throws Exception { + configureSites("113", false); + startDurableClient(); + createDurableCQs(REGION_CQ); + + verifyGatewaySenderState(true, false); + + // Do some puts and check that data has been enqueued + Set<String> keysQueue = + clientSite2.invoke(() -> doPutsInRangeTransactionSingleKey(0, 30, REGION_NAME)); + server1Site2.invoke(() -> checkQueueSize("ln", keysQueue.size())); + + server1Site2.invoke(() -> validateBucketToTempQueueMap("ln", true)); + server2Site2.invoke(() -> validateBucketToTempQueueMap("ln", true)); + server3Site2.invoke(() -> validateBucketToTempQueueMap("ln", true)); + + // Check that durable client has received all events + checkCqEvents(keysQueue.size()); + } + + @Test + public void testSubscriptionQueueWanColocatedRegionsMultipleOperations() throws Exception { + configureSites("113", true); + startDurableClient(); + createDurableCQs(REGION_CQ, COLO_REGION_CQ); + + verifyGatewaySenderState(true, false); + + // Do some puts and check that data has been enqueued + Set<String> keysQueue = + clientSite2.invoke(() -> doPutsInRangeTransactionWithTwoPutOperation(0, 30)); + server1Site2.invoke(() -> checkQueueSize("ln", keysQueue.size() * 2)); + + server1Site2.invoke(() -> validateBucketToTempQueueMap("ln", true)); + server2Site2.invoke(() -> validateBucketToTempQueueMap("ln", true)); + server3Site2.invoke(() -> validateBucketToTempQueueMap("ln", true)); + + // Check that durable client has received all events + checkCqEvents(keysQueue.size() * 2); + } + + /** + * This test case verifies that the server during bucket recovery enqueues all events intended for + * that bucket in temporary queue, and that after bucket redundancy is restored events are + * transferred from temporary queue to real bucket queue. + */ + @Test + public void testSubscriptionQueueWanTrafficWhileRebalanced() throws Exception { + configureSites("3", false); + verifyGatewaySenderState(true, false); + + List<MemberVM> allMembers = new ArrayList<>(); + allMembers.add(server1Site2); + allMembers.add(server2Site2); + allMembers.add(server3Site2); + + // Do some puts so that all bucket are created + Set<String> keysQueue = clientSite2.invoke(() -> doPutsInRange(0, 100)); Review comment: Yes, you are right! 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