| /* |
| * 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.internal.processors.cache.transactions; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Random; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.CyclicBarrier; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import java.util.concurrent.atomic.AtomicIntegerArray; |
| import org.apache.ignite.configuration.CacheConfiguration; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.configuration.TransactionConfiguration; |
| import org.apache.ignite.internal.IgniteEx; |
| import org.apache.ignite.internal.IgniteInternalFuture; |
| import org.apache.ignite.internal.TestRecordingCommunicationSpi; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.testframework.MvccFeatureChecker; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.apache.ignite.transactions.Transaction; |
| import org.junit.Assume; |
| import org.junit.Test; |
| |
| import static java.lang.Thread.yield; |
| import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL; |
| import static org.apache.ignite.cache.CacheWriteSynchronizationMode.FULL_SYNC; |
| import static org.apache.ignite.transactions.TransactionConcurrency.PESSIMISTIC; |
| import static org.apache.ignite.transactions.TransactionIsolation.REPEATABLE_READ; |
| |
| /** |
| * Tests an ability to rollback transactions on topology change. |
| */ |
| public class TxRollbackOnTopologyChangeTest extends GridCommonAbstractTest { |
| /** */ |
| public static final int ROLLBACK_TIMEOUT = 500; |
| |
| /** */ |
| private static final String CACHE_NAME = "test"; |
| |
| /** */ |
| private static final int SRV_CNT = 6; |
| |
| /** */ |
| private static final int CLNT_CNT = 2; |
| |
| /** */ |
| private static final int TOTAL_CNT = SRV_CNT + CLNT_CNT; |
| |
| /** */ |
| public static final int ITERATIONS = 100; |
| |
| /** {@inheritDoc} */ |
| @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { |
| IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); |
| |
| cfg.setTransactionConfiguration(new TransactionConfiguration(). |
| setTxTimeoutOnPartitionMapExchange(ROLLBACK_TIMEOUT)); |
| |
| cfg.setCommunicationSpi(new TestRecordingCommunicationSpi()); |
| |
| CacheConfiguration ccfg = new CacheConfiguration(CACHE_NAME); |
| |
| ccfg.setAtomicityMode(TRANSACTIONAL); |
| ccfg.setBackups(2); |
| ccfg.setWriteSynchronizationMode(FULL_SYNC); |
| |
| cfg.setCacheConfiguration(ccfg); |
| |
| return cfg; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void beforeTest() throws Exception { |
| Assume.assumeFalse("https://issues.apache.org/jira/browse/IGNITE-9322", MvccFeatureChecker.forcedMvcc()); |
| //Won't start nodes if the only test mutes. |
| |
| super.beforeTest(); |
| |
| startGridsMultiThreaded(SRV_CNT); |
| startClientGridsMultiThreaded(SRV_CNT, CLNT_CNT); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void afterTest() throws Exception { |
| super.afterTest(); |
| |
| stopAllGrids(); |
| } |
| |
| /** |
| * Tests rollbacks on topology change. |
| */ |
| @Test |
| public void testRollbackOnTopologyChange() throws Exception { |
| final AtomicBoolean stop = new AtomicBoolean(); |
| |
| final long seed = System.currentTimeMillis(); |
| |
| final Random r = new Random(seed); |
| |
| log.info("Using seed: " + seed); |
| |
| AtomicIntegerArray reservedIdx = new AtomicIntegerArray(TOTAL_CNT); |
| |
| final int keysCnt = SRV_CNT - 1; |
| |
| for (int k = 0; k < keysCnt; k++) |
| grid(0).cache(CACHE_NAME).put(k, (long)0); |
| |
| final CyclicBarrier b = new CyclicBarrier(keysCnt); |
| |
| AtomicInteger idGen = new AtomicInteger(); |
| |
| final IgniteInternalFuture<?> txFut = multithreadedAsync(new Runnable() { |
| @Override public void run() { |
| int key = idGen.getAndIncrement(); |
| |
| List<Integer> keys = new ArrayList<>(); |
| |
| for (int k = 0; k < keysCnt; k++) |
| keys.add(k); |
| |
| int cntr = 0; |
| |
| for (int i = 0; i < ITERATIONS; i++) { |
| cntr++; |
| |
| int nodeId; |
| |
| while (!reservedIdx.compareAndSet((nodeId = r.nextInt(TOTAL_CNT)), 0, 1)) |
| doSleep(10); |
| |
| U.awaitQuiet(b); |
| |
| final IgniteEx grid = grid(nodeId); |
| |
| try (final Transaction tx = grid.transactions().txStart(PESSIMISTIC, REPEATABLE_READ, 0, 0)) { |
| reservedIdx.set(nodeId, 0); |
| |
| // Construct deadlock |
| grid.cache(CACHE_NAME).get(keys.get(key)); |
| |
| // Should block. |
| grid.cache(CACHE_NAME).get(keys.get((key + 1) % keysCnt)); |
| |
| fail("Deadlock expected"); |
| } |
| catch (Throwable t) { |
| // Expected. |
| } |
| |
| if (key == 0) |
| log.info("Rolled back: " + cntr); |
| } |
| } |
| }, keysCnt, "tx-lock-thread"); |
| |
| final IgniteInternalFuture<?> restartFut = multithreadedAsync(new Callable<Void>() { |
| @Override public Void call() throws Exception { |
| while (!stop.get()) { |
| final int nodeId = r.nextInt(TOTAL_CNT); |
| |
| if (!reservedIdx.compareAndSet(nodeId, 0, 1)) { |
| yield(); |
| |
| continue; |
| } |
| |
| stopGrid(nodeId); |
| |
| doSleep(500 + r.nextInt(1000)); |
| |
| if (nodeId >= SRV_CNT) |
| startClientGrid(nodeId); |
| else |
| startGrid(nodeId); |
| |
| reservedIdx.set(nodeId, 0); |
| } |
| |
| return null; |
| } |
| }, 1, "tx-restart-thread"); |
| |
| txFut.get(); // Wait for iterations to complete. |
| |
| stop.set(true); |
| |
| restartFut.get(); |
| |
| checkFutures(); |
| } |
| } |