| /* |
| * 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.persistence; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.cluster.ClusterState; |
| import org.apache.ignite.configuration.DataRegionConfiguration; |
| import org.apache.ignite.configuration.DataStorageConfiguration; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.failure.AbstractFailureHandler; |
| import org.apache.ignite.failure.FailureContext; |
| import org.apache.ignite.failure.FailureType; |
| import org.apache.ignite.internal.IgniteEx; |
| import org.apache.ignite.internal.IgniteInternalFuture; |
| import org.apache.ignite.internal.IgniteInterruptedCheckedException; |
| import org.apache.ignite.internal.processors.cache.persistence.checkpoint.CheckpointReadWriteLock; |
| import org.apache.ignite.internal.util.ReentrantReadWriteLockWithTracking; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.testframework.GridTestUtils; |
| import org.apache.ignite.testframework.ListeningTestLogger; |
| import org.apache.ignite.testframework.LogListener; |
| import org.apache.ignite.testframework.junits.WithSystemProperty; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import static org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.IGNITE_PDS_LOG_CP_READ_LOCK_HOLDERS; |
| import static org.apache.ignite.internal.util.ReentrantReadWriteLockWithTracking.LOCK_HOLD_MESSAGE; |
| |
| /** |
| * Tests critical failure handling on checkpoint read lock acquisition errors. |
| */ |
| public class CheckpointReadLockFailureTest extends GridCommonAbstractTest { |
| /** */ |
| private ListeningTestLogger testLog; |
| |
| /** */ |
| private static final AbstractFailureHandler FAILURE_HND = new AbstractFailureHandler() { |
| @Override protected boolean handle(Ignite ignite, FailureContext failureCtx) { |
| if (failureCtx.type() != FailureType.SYSTEM_CRITICAL_OPERATION_TIMEOUT) |
| return true; |
| |
| if (hndLatch != null) |
| hndLatch.countDown(); |
| |
| return false; |
| } |
| }; |
| |
| /** */ |
| private static volatile CountDownLatch hndLatch; |
| |
| /** {@inheritDoc} */ |
| @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { |
| IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName) |
| .setFailureHandler(FAILURE_HND) |
| .setDataStorageConfiguration(new DataStorageConfiguration() |
| .setDefaultDataRegionConfiguration(new DataRegionConfiguration() |
| .setPersistenceEnabled(true)) |
| .setCheckpointFrequency(Integer.MAX_VALUE) |
| .setCheckpointReadLockTimeout(1)); |
| |
| if (testLog != null) { |
| cfg.setGridLogger(testLog); |
| |
| testLog = null; |
| } |
| |
| return cfg; |
| } |
| |
| /** |
| * |
| */ |
| @BeforeClass |
| public static void beforeClass() { |
| Set<FailureType> ignoredFailureTypes = new HashSet<>(FAILURE_HND.getIgnoredFailureTypes()); |
| ignoredFailureTypes.remove(FailureType.SYSTEM_CRITICAL_OPERATION_TIMEOUT); |
| |
| FAILURE_HND.setIgnoredFailureTypes(ignoredFailureTypes); |
| } |
| |
| /** |
| * |
| */ |
| @Before |
| public void before() throws Exception { |
| cleanPersistenceDir(); |
| } |
| |
| /** |
| * |
| */ |
| @After |
| public void after() throws Exception { |
| cleanPersistenceDir(); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testFailureTypeOnTimeout() throws Exception { |
| hndLatch = new CountDownLatch(1); |
| |
| IgniteEx ig = startGrid(0); |
| |
| ig.cluster().state(ClusterState.ACTIVE); |
| |
| GridCacheDatabaseSharedManager db = (GridCacheDatabaseSharedManager)ig.context().cache().context().database(); |
| |
| CheckpointReadWriteLock checkpointReadWriteLock = U.field( |
| db.checkpointManager.checkpointTimeoutLock(), "checkpointReadWriteLock" |
| ); |
| |
| IgniteInternalFuture acquireWriteLock = GridTestUtils.runAsync(() -> { |
| checkpointReadWriteLock.writeLock(); |
| |
| try { |
| doSleep(Long.MAX_VALUE); |
| } |
| finally { |
| checkpointReadWriteLock.writeUnlock(); |
| } |
| }); |
| |
| IgniteInternalFuture acquireReadLock = GridTestUtils.runAsync(() -> { |
| db.checkpointReadLock(); |
| db.checkpointReadUnlock(); |
| }); |
| |
| assertTrue(hndLatch.await(5, TimeUnit.SECONDS)); |
| |
| acquireWriteLock.cancel(); |
| |
| acquireReadLock.get(5, TimeUnit.SECONDS); |
| |
| GridTestUtils.waitForCondition(acquireWriteLock::isCancelled, 5000); |
| |
| stopGrid(0); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| @WithSystemProperty(key = IGNITE_PDS_LOG_CP_READ_LOCK_HOLDERS, value = "true") |
| public void testPrintCpRLockHolder() throws Exception { |
| CountDownLatch canRelease = new CountDownLatch(1); |
| |
| testLog = new ListeningTestLogger(log); |
| |
| LogListener lsnr = LogListener.matches(LOCK_HOLD_MESSAGE).build(); |
| |
| testLog.registerListener(lsnr); |
| |
| IgniteEx ig = startGrid(0); |
| |
| ig.cluster().state(ClusterState.ACTIVE); |
| |
| GridCacheDatabaseSharedManager db = (GridCacheDatabaseSharedManager)ig.context().cache().context().database(); |
| |
| CheckpointReadWriteLock checkpointReadWriteLock = U.field( |
| db.checkpointManager.checkpointTimeoutLock(), "checkpointReadWriteLock" |
| ); |
| ReentrantReadWriteLockWithTracking tracker = U.field(checkpointReadWriteLock, "checkpointLock"); |
| |
| GridTestUtils.runAsync(() -> { |
| checkpointReadWriteLock.readLock(); |
| |
| try { |
| canRelease.await(tracker.lockWaitThreshold() + 500, TimeUnit.MILLISECONDS); |
| } |
| catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| finally { |
| checkpointReadWriteLock.readUnlock(); |
| } |
| }, "async-runnable-runner-1"); |
| |
| assertTrue(GridTestUtils.waitForCondition(lsnr::check, tracker.lockWaitThreshold() + 1000)); |
| |
| stopGrid(0); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| @WithSystemProperty(key = IGNITE_PDS_LOG_CP_READ_LOCK_HOLDERS, value = "true") |
| public void testReentrance() throws Exception { |
| IgniteEx ig = startGrid(0); |
| |
| ig.cluster().state(ClusterState.ACTIVE); |
| |
| GridCacheDatabaseSharedManager db = (GridCacheDatabaseSharedManager)ig.context().cache().context().database(); |
| |
| CheckpointReadWriteLock checkpointReadWriteLock = U.field( |
| db.checkpointManager.checkpointTimeoutLock(), "checkpointReadWriteLock" |
| ); |
| |
| ReentrantReadWriteLockWithTracking rwLock = U.field(checkpointReadWriteLock, "checkpointLock"); |
| |
| CountDownLatch waitFirstRLock = new CountDownLatch(1); |
| |
| CountDownLatch waitSecondRLock = new CountDownLatch(1); |
| |
| long timeout = 500L; |
| |
| IgniteInternalFuture f0 = GridTestUtils.runAsync(() -> { |
| //noinspection LockAcquiredButNotSafelyReleased |
| rwLock.readLock().lock(); |
| |
| //noinspection LockAcquiredButNotSafelyReleased |
| rwLock.readLock().lock(); |
| |
| rwLock.readLock().unlock(); |
| |
| waitFirstRLock.countDown(); |
| |
| try { |
| waitSecondRLock.await(); |
| } |
| catch (InterruptedException e) { |
| fail(e.toString()); |
| } |
| |
| rwLock.readLock().unlock(); |
| }, "async-runnable-runner-1"); |
| |
| IgniteInternalFuture f1 = GridTestUtils.runAsync(() -> { |
| try { |
| waitFirstRLock.await(); |
| } |
| catch (InterruptedException e) { |
| fail(e.toString()); |
| } |
| |
| try { |
| rwLock.writeLock().tryLock(); |
| |
| assertFalse(GridTestUtils.waitForCondition(rwLock.writeLock()::isHeldByCurrentThread, timeout)); |
| } |
| catch (IgniteInterruptedCheckedException e) { |
| e.printStackTrace(); |
| } |
| |
| waitSecondRLock.countDown(); |
| |
| try { |
| rwLock.writeLock().tryLock(timeout, TimeUnit.MILLISECONDS); |
| |
| assertTrue(rwLock.writeLock().isHeldByCurrentThread()); |
| } |
| catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| finally { |
| rwLock.writeLock().unlock(); |
| } |
| |
| }, "async-runnable-runner-2"); |
| |
| f1.get(4 * timeout); |
| |
| f0.get(4 * timeout); |
| |
| stopGrid(0); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| @WithSystemProperty(key = IGNITE_PDS_LOG_CP_READ_LOCK_HOLDERS, value = "true") |
| public void testWriteLockedByCurrentThread() { |
| ReentrantReadWriteLockWithTracking wrapped = new ReentrantReadWriteLockWithTracking(log, 1_000); |
| |
| wrapped.writeLock().lock(); |
| |
| try { |
| assertTrue(wrapped.isWriteLockedByCurrentThread()); |
| } |
| finally { |
| wrapped.writeLock().unlock(); |
| } |
| } |
| } |