anton-vinogradov commented on code in PR #10420: URL: https://github.com/apache/ignite/pull/10420#discussion_r1039856184
########## modules/control-utility/src/test/java/org/apache/ignite/util/GridCommandHandlerConsistencyOnClusterCrashTest.java: ########## @@ -0,0 +1,151 @@ +/* + * 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.ignite.util; + +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicInteger; +import org.apache.ignite.Ignite; +import org.apache.ignite.IgniteCache; +import org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction; +import org.apache.ignite.cluster.ClusterNode; +import org.apache.ignite.cluster.ClusterState; +import org.apache.ignite.configuration.CacheConfiguration; +import org.apache.ignite.configuration.IgniteConfiguration; +import org.apache.ignite.configuration.WALMode; +import org.apache.ignite.failure.StopNodeFailureHandler; +import org.apache.ignite.internal.IgniteEx; +import org.apache.ignite.internal.TestRecordingCommunicationSpi; +import org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtTxFinishRequest; +import org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtTxPrepareRequest; +import org.apache.ignite.internal.util.typedef.G; +import org.apache.ignite.lang.IgniteBiPredicate; +import org.apache.ignite.plugin.extensions.communication.Message; +import org.apache.ignite.testframework.GridTestUtils; +import org.apache.ignite.testframework.ListeningTestLogger; +import org.junit.Before; +import org.junit.Test; +import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL; +import static org.apache.ignite.cache.CacheWriteSynchronizationMode.FULL_SYNC; +import static org.apache.ignite.internal.commandline.CommandHandler.EXIT_CODE_OK; + +/** */ +public class GridCommandHandlerConsistencyOnClusterCrashTest extends GridCommandHandlerClusterPerMethodAbstractTest { + /** Listening logger. */ + protected final ListeningTestLogger listeningLog = new ListeningTestLogger(log); + + /** Number of cluster nodes. */ + public int nodes = 3; + + /** Number of backups for the default cache. */ + public int backupNodes = nodes - 1; + + /** */ + @Before public void beforeEachTest() throws Exception { + cleanPersistenceDir(); + + injectTestSystemOut(); + } + + /** {@inheritDoc} */ + @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { + IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); + + cfg.setGridLogger(listeningLog) + .setFailureHandler(new StopNodeFailureHandler()); + + cfg.getDataStorageConfiguration() + .setFileIOFactory(new ThrowableFileIOTestFactory(cfg.getDataStorageConfiguration().getFileIOFactory())) + .setWalMode(WALMode.FSYNC); // Allows to use special IO at WAL as well. + + cfg.setCacheConfiguration(new CacheConfiguration<>() + .setAffinity(new RendezvousAffinityFunction(false, 1)) + .setBackups(backupNodes) + .setName(DEFAULT_CACHE_NAME) + .setAtomicityMode(TRANSACTIONAL) + .setWriteSynchronizationMode(FULL_SYNC) // Allows to be sure that all messages are sent when put succeed. + .setReadFromBackup(true)); // Allows to check values on backups for idle_verify. + + return cfg; + } + + /** */ + @Test + public void testLwmCountersOnClusterCrash() throws Exception { + int prepareRqNum = 20; + int finishRqNum = 30; + + IgniteEx ignite = startGrids(nodes); + ignite.cluster().state(ClusterState.ACTIVE); + + final AtomicInteger updateCnt = new AtomicInteger(); + + // Enough to have historical rebalance when needed. + for (int i = 0; i < 2_000; i++) + ignite.cache(DEFAULT_CACHE_NAME).put(updateCnt.incrementAndGet(), 0); + + stopAllGrids(); + startGrids(nodes); + + Ignite prim = primaryNode(0L, DEFAULT_CACHE_NAME); + + CountDownLatch prepareLatch = new CountDownLatch(backupNodes * prepareRqNum); + CountDownLatch finishLatch = new CountDownLatch(backupNodes * finishRqNum); + + TestRecordingCommunicationSpi.spi(prim).blockMessages(new IgniteBiPredicate<ClusterNode, Message>() { + @Override public boolean apply(ClusterNode node, Message msg) { + if (msg instanceof GridDhtTxPrepareRequest && prepareLatch.getCount() > 0) { + prepareLatch.countDown(); + + return true; + } + else if (msg instanceof GridDhtTxFinishRequest && finishLatch.getCount() > 0) { + finishLatch.countDown(); + + return true; + } + else + return false; + } + }); + + IgniteCache<Integer, Integer> primCache = prim.cache(DEFAULT_CACHE_NAME); + + for (int i = 0; i < prepareRqNum; i++) + GridTestUtils.runAsync(() -> primCache.put(updateCnt.incrementAndGet(), 0)); + + prepareLatch.await(getTestTimeout(), TimeUnit.MILLISECONDS); + + for (int i = 0; i < finishRqNum; i++) + GridTestUtils.runAsync(() -> primCache.put(updateCnt.incrementAndGet(), 0)); + + finishLatch.await(getTestTimeout(), TimeUnit.MILLISECONDS); + + G.allGrids().forEach( + node -> ((ThrowableFileIOTestFactory)node.configuration().getDataStorageConfiguration().getFileIOFactory()) + .setThrowEx(true)); + + stopAllGrids(); Review Comment: Counters should be measured before the cluster restart to make sure what corner case this test solves. -- This is an automated message from the Apache Git Service. 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