| /* |
| * 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.Collection; |
| import java.util.concurrent.ThreadLocalRandom; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteCache; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.IgniteSystemProperties; |
| import org.apache.ignite.cache.CacheMode; |
| import org.apache.ignite.configuration.CacheConfiguration; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.internal.IgniteInternalFuture; |
| import org.apache.ignite.internal.IgniteKernal; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.testframework.GridTestUtils; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.apache.ignite.transactions.Transaction; |
| import org.apache.ignite.transactions.TransactionConcurrency; |
| import org.junit.Test; |
| |
| import static org.apache.ignite.IgniteSystemProperties.IGNITE_TX_DEADLOCK_DETECTION_MAX_ITERS; |
| import static org.apache.ignite.IgniteSystemProperties.IGNITE_TX_DEADLOCK_DETECTION_TIMEOUT; |
| import static org.apache.ignite.IgniteSystemProperties.getInteger; |
| import static org.apache.ignite.transactions.TransactionConcurrency.OPTIMISTIC; |
| import static org.apache.ignite.transactions.TransactionConcurrency.PESSIMISTIC; |
| import static org.apache.ignite.transactions.TransactionIsolation.REPEATABLE_READ; |
| |
| /** |
| * |
| */ |
| public class TxDeadlockDetectionNoHangsTest extends GridCommonAbstractTest { |
| /** Nodes count. */ |
| private static final int NODES_CNT = 3; |
| |
| /** Cache. */ |
| private static final String CACHE = "cache"; |
| |
| /** {@inheritDoc} */ |
| @SuppressWarnings("unchecked") |
| @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { |
| IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); |
| |
| CacheConfiguration ccfg = defaultCacheConfiguration(); |
| |
| ccfg.setName(CACHE); |
| ccfg.setCacheMode(CacheMode.PARTITIONED); |
| ccfg.setBackups(1); |
| ccfg.setNearConfiguration(null); |
| |
| cfg.setCacheConfiguration(ccfg); |
| |
| return cfg; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void beforeTest() throws Exception { |
| super.beforeTest(); |
| |
| startGridsMultiThreaded(NODES_CNT); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void afterTest() throws Exception { |
| super.afterTest(); |
| |
| stopAllGrids(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void beforeTestsStarted() throws Exception { |
| super.beforeTestsStarted(); |
| |
| GridTestUtils.setFieldValue(TxDeadlockDetection.class, "deadLockTimeout", (int)(getTestTimeout() * 2)); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void afterTestsStopped() throws Exception { |
| GridTestUtils.setFieldValue(TxDeadlockDetection.class, "deadLockTimeout", |
| getInteger(IGNITE_TX_DEADLOCK_DETECTION_TIMEOUT, 60000)); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected long getTestTimeout() { |
| return 10 * 60 * 1000; |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testNoHangsPessimistic() throws Exception { |
| assertTrue(grid(0).context().cache().context().tm().deadlockDetectionEnabled()); |
| |
| doTest(PESSIMISTIC); |
| |
| try { |
| GridTestUtils.setFieldValue(IgniteTxManager.class, "DEADLOCK_MAX_ITERS", 0); |
| |
| assertFalse(grid(0).context().cache().context().tm().deadlockDetectionEnabled()); |
| |
| doTest(PESSIMISTIC); |
| } |
| finally { |
| GridTestUtils.setFieldValue(IgniteTxManager.class, "DEADLOCK_MAX_ITERS", |
| IgniteSystemProperties.getInteger(IGNITE_TX_DEADLOCK_DETECTION_MAX_ITERS, 1000)); |
| } |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testNoHangsOptimistic() throws Exception { |
| assertTrue(grid(0).context().cache().context().tm().deadlockDetectionEnabled()); |
| |
| doTest(OPTIMISTIC); |
| |
| try { |
| GridTestUtils.setFieldValue(IgniteTxManager.class, "DEADLOCK_MAX_ITERS", 0); |
| |
| assertFalse(grid(0).context().cache().context().tm().deadlockDetectionEnabled()); |
| |
| doTest(OPTIMISTIC); |
| } |
| finally { |
| GridTestUtils.setFieldValue(IgniteTxManager.class, "DEADLOCK_MAX_ITERS", |
| IgniteSystemProperties.getInteger(IGNITE_TX_DEADLOCK_DETECTION_MAX_ITERS, 1000)); |
| } |
| } |
| |
| /** |
| * @param concurrency Concurrency. |
| * @throws IgniteCheckedException If failed. |
| */ |
| private void doTest(final TransactionConcurrency concurrency) throws IgniteCheckedException { |
| final AtomicBoolean stop = new AtomicBoolean(); |
| |
| IgniteInternalFuture<Long> restartFut = null; |
| |
| try { |
| restartFut = GridTestUtils.runMultiThreadedAsync(new Runnable() { |
| @Override public void run() { |
| while (!stop.get()) { |
| try { |
| U.sleep(500); |
| |
| startGrid(NODES_CNT); |
| |
| awaitPartitionMapExchange(); |
| |
| U.sleep(500); |
| |
| stopGrid(NODES_CNT); |
| } |
| catch (Exception ignored) { |
| // No-op. |
| } |
| } |
| } |
| }, 1, "restart-thread"); |
| |
| long stopTime = System.currentTimeMillis() + 2 * 60_000L; |
| |
| for (int i = 0; System.currentTimeMillis() < stopTime; i++) { |
| boolean detectionEnabled = grid(0).context().cache().context().tm().deadlockDetectionEnabled(); |
| |
| log.info(">>> Iteration " + i + " (detection is " + (detectionEnabled ? "enabled" : "disabled") + ')'); |
| |
| final AtomicInteger threadCnt = new AtomicInteger(); |
| |
| IgniteInternalFuture<Long> fut = GridTestUtils.runMultiThreadedAsync(new Runnable() { |
| @Override public void run() { |
| int threadNum = threadCnt.getAndIncrement(); |
| |
| Ignite ignite = ignite(threadNum % NODES_CNT); |
| |
| IgniteCache<Integer, Integer> cache = ignite.cache(CACHE); |
| |
| try (Transaction tx = ignite.transactions().txStart(concurrency, REPEATABLE_READ, 500, 0)) { |
| ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
| |
| for (int i = 0; i < 50; i++) { |
| int key = rnd.nextInt(50); |
| |
| if (log.isDebugEnabled()) { |
| log.info(">>> Performs put [node=" + ((IgniteKernal)ignite).localNode() + |
| ", tx=" + tx + ", key=" + key + ']'); |
| } |
| |
| cache.put(key, 0); |
| } |
| |
| tx.commit(); |
| } |
| catch (Exception e) { |
| log.info("Ignore error: " + e); |
| } |
| } |
| }, NODES_CNT * 3, "tx-thread"); |
| |
| fut.get(); |
| } |
| } |
| finally { |
| stop.set(true); |
| |
| if (restartFut != null) |
| restartFut.get(); |
| |
| checkDetectionFutures(); |
| } |
| } |
| |
| /** |
| * |
| */ |
| private void checkDetectionFutures() { |
| for (int i = 0; i < NODES_CNT; i++) { |
| Ignite ignite = ignite(i); |
| |
| IgniteTxManager txMgr = ((IgniteKernal)ignite).context().cache().context().tm(); |
| |
| Collection<IgniteInternalFuture<?>> futs = txMgr.deadlockDetectionFutures(); |
| |
| assertTrue(futs.isEmpty()); |
| } |
| } |
| } |