YARN-906. Fixed a bug in NodeManager where cancelling ContainerLaunch at KILLING state causes that the container to hang. Contributed by Zhijie Shen.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1509924 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli
parent
e1d398b2c9
commit
ac933234ac
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@ -57,6 +57,9 @@ Release 2.1.1-beta - UNRELEASED
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YARN-903. Changed ContainerManager to suppress unnecessary warnings when
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stopping already stopped containers. (Omkar Vinit Joshi via vinodkv)
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YARN-906. Fixed a bug in NodeManager where cancelling ContainerLaunch at
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KILLING state causes that the container to hang. (Zhijie Shen via vinodkv)
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Release 2.1.0-beta - 2013-08-06
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INCOMPATIBLE CHANGES
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@ -26,6 +26,7 @@ import static org.junit.Assert.fail;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Set;
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import java.util.TreeSet;
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@ -319,7 +320,7 @@ public class TestNMClient {
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if (++i < size) {
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// NodeManager may still need some time to make the container started
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testGetContainerStatus(container, i, ContainerState.RUNNING, "",
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-1000);
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Arrays.asList(new Integer[] {-1000}));
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try {
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nmClient.stopContainer(container.getId(), container.getNodeId());
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@ -330,8 +331,21 @@ public class TestNMClient {
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}
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// getContainerStatus can be called after stopContainer
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testGetContainerStatus(container, i, ContainerState.COMPLETE,
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"Container killed by the ApplicationMaster.", 143);
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try {
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// O is possible if CLEANUP_CONTAINER is executed too late
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testGetContainerStatus(container, i, ContainerState.COMPLETE,
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"Container killed by the ApplicationMaster.", Arrays.asList(
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new Integer[] {143, 0}));
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} catch (YarnException e) {
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// The exception is possible because, after the container is stopped,
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// it may be removed from NM's context.
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if (!e.getMessage()
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.contains("was recently stopped on node manager")) {
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throw (AssertionError)
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(new AssertionError("Exception is not expected: " + e).initCause(
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e));
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}
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}
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}
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}
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}
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@ -345,7 +359,7 @@ public class TestNMClient {
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}
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private void testGetContainerStatus(Container container, int index,
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ContainerState state, String diagnostics, int exitStatus)
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ContainerState state, String diagnostics, List<Integer> exitStatuses)
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throws YarnException, IOException {
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while (true) {
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try {
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@ -357,7 +371,7 @@ public class TestNMClient {
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assertEquals(container.getId(), status.getContainerId());
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assertTrue("" + index + ": " + status.getDiagnostics(),
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status.getDiagnostics().contains(diagnostics));
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assertEquals(exitStatus, status.getExitStatus());
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assertTrue(exitStatuses.contains(status.getExitStatus()));
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break;
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}
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Thread.sleep(100);
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@ -37,12 +37,17 @@ import org.apache.hadoop.yarn.event.Dispatcher;
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import org.apache.hadoop.yarn.event.EventHandler;
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import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
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import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor;
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import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.ExitCode;
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import org.apache.hadoop.yarn.server.nodemanager.Context;
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import org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.Application;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerEventType;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerExitEvent;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerState;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.util.concurrent.ThreadFactoryBuilder;
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/**
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@ -61,7 +66,8 @@ public class ContainersLauncher extends AbstractService
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private final Dispatcher dispatcher;
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private LocalDirsHandlerService dirsHandler;
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private final ExecutorService containerLauncher =
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@VisibleForTesting
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public ExecutorService containerLauncher =
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Executors.newCachedThreadPool(
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new ThreadFactoryBuilder()
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.setNameFormat("ContainersLauncher #%d")
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@ -107,6 +113,7 @@ public class ContainersLauncher extends AbstractService
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super.serviceStop();
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}
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@SuppressWarnings("unchecked")
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@Override
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public void handle(ContainersLauncherEvent event) {
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// TODO: ContainersLauncher launches containers one by one!!
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@ -134,9 +141,18 @@ public class ContainersLauncher extends AbstractService
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Future<Integer> rContainer = rContainerDatum.runningcontainer;
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if (rContainer != null
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&& !rContainer.isDone()) {
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// Cancel the future so that it won't be launched
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// if it isn't already.
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rContainer.cancel(false);
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// Cancel the future so that it won't be launched if it isn't already.
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// If it is going to be canceled, make sure CONTAINER_KILLED_ON_REQUEST
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// will not be missed if the container is already at KILLING
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if (rContainer.cancel(false)) {
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if (container.getContainerState() == ContainerState.KILLING) {
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dispatcher.getEventHandler().handle(
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new ContainerExitEvent(containerId,
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ContainerEventType.CONTAINER_KILLED_ON_REQUEST,
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ExitCode.TERMINATED.getExitCode(),
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"Container terminated before launch."));
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}
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}
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}
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// Cleanup a container whether it is running/killed/completed, so that
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@ -18,9 +18,10 @@
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package org.apache.hadoop.yarn.server.nodemanager.containermanager.container;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertNull;
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import static org.junit.Assert.assertTrue;
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import static org.mockito.Matchers.any;
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import static org.mockito.Matchers.argThat;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.reset;
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@ -42,11 +43,16 @@ import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Random;
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import java.util.concurrent.Callable;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Future;
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import junit.framework.Assert;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.yarn.api.records.ApplicationId;
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import org.apache.hadoop.yarn.api.records.ContainerId;
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import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
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import org.apache.hadoop.yarn.api.records.LocalResource;
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@ -60,10 +66,13 @@ import org.apache.hadoop.yarn.event.DrainDispatcher;
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import org.apache.hadoop.yarn.event.EventHandler;
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import org.apache.hadoop.yarn.security.ContainerTokenIdentifier;
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import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.ExitCode;
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import org.apache.hadoop.yarn.server.nodemanager.Context;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServicesEvent;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServicesEventType;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.Application;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationEvent;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.ApplicationEventType;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainersLauncher;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainersLauncherEvent;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainersLauncherEventType;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.LocalResourceRequest;
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@ -287,7 +296,8 @@ public class TestContainer {
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wc.launchContainer();
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reset(wc.localizerBus);
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wc.killContainer();
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assertEquals(ContainerState.KILLING, wc.c.getContainerState());
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assertEquals(ContainerState.CONTAINER_CLEANEDUP_AFTER_KILL,
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wc.c.getContainerState());
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assertNull(wc.c.getLocalizedResources());
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wc.containerKilledOnRequest();
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@ -319,6 +329,26 @@ public class TestContainer {
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}
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}
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@Test
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public void testKillOnLocalized() throws Exception {
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WrappedContainer wc = null;
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try {
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wc = new WrappedContainer(17, 314159265358979L, 4344, "yak");
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wc.initContainer();
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wc.localizeResources();
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assertEquals(ContainerState.LOCALIZED, wc.c.getContainerState());
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wc.killContainer();
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assertEquals(ContainerState.CONTAINER_CLEANEDUP_AFTER_KILL,
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wc.c.getContainerState());
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assertNull(wc.c.getLocalizedResources());
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verifyCleanupCall(wc);
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} finally {
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if (wc != null) {
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wc.finished();
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}
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}
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}
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@Test
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public void testResourceLocalizedOnLocalizationFailed() throws Exception {
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WrappedContainer wc = null;
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@ -442,10 +472,12 @@ public class TestContainer {
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wc.initContainer();
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wc.localizeResources();
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wc.killContainer();
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assertEquals(ContainerState.KILLING, wc.c.getContainerState());
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assertEquals(ContainerState.CONTAINER_CLEANEDUP_AFTER_KILL,
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wc.c.getContainerState());
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assertNull(wc.c.getLocalizedResources());
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wc.launchContainer();
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assertEquals(ContainerState.KILLING, wc.c.getContainerState());
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assertEquals(ContainerState.CONTAINER_CLEANEDUP_AFTER_KILL,
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wc.c.getContainerState());
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assertNull(wc.c.getLocalizedResources());
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wc.containerKilledOnRequest();
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verifyCleanupCall(wc);
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@ -583,6 +615,7 @@ public class TestContainer {
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final EventHandler<AuxServicesEvent> auxBus;
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final EventHandler<ApplicationEvent> appBus;
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final EventHandler<LogHandlerEvent> LogBus;
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final ContainersLauncher launcher;
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final ContainerLaunchContext ctxt;
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final ContainerId cId;
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@ -595,6 +628,7 @@ public class TestContainer {
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this(appId, timestamp, id, user, true, false);
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}
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@SuppressWarnings("rawtypes")
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WrappedContainer(int appId, long timestamp, int id, String user,
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boolean withLocalRes, boolean withServiceData) throws IOException {
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dispatcher = new DrainDispatcher();
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@ -613,6 +647,22 @@ public class TestContainer {
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dispatcher.register(ApplicationEventType.class, appBus);
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dispatcher.register(LogHandlerEventType.class, LogBus);
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Context context = mock(Context.class);
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when(context.getApplications()).thenReturn(
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new ConcurrentHashMap<ApplicationId, Application>());
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launcher = new ContainersLauncher(context, dispatcher, null, null);
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// create a mock ExecutorService, which will not really launch
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// ContainerLaunch at all.
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launcher.containerLauncher = mock(ExecutorService.class);
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Future future = mock(Future.class);
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when(launcher.containerLauncher.submit
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(any(Callable.class))).thenReturn(future);
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when(future.isDone()).thenReturn(false);
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when(future.cancel(false)).thenReturn(true);
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launcher.init(new Configuration());
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launcher.start();
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dispatcher.register(ContainersLauncherEventType.class, launcher);
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ctxt = mock(ContainerLaunchContext.class);
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org.apache.hadoop.yarn.api.records.Container mockContainer =
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mock(org.apache.hadoop.yarn.api.records.Container.class);
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@ -654,6 +704,13 @@ public class TestContainer {
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when(ctxt.getServiceData()).thenReturn(serviceData);
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c = new ContainerImpl(conf, dispatcher, ctxt, null, metrics, identifier);
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dispatcher.register(ContainerEventType.class,
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new EventHandler<ContainerEvent>() {
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@Override
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public void handle(ContainerEvent event) {
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c.handle(event);
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}
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});
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dispatcher.start();
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}
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@ -596,8 +596,9 @@ public class TestContainerLaunch extends BaseContainerManagerTest {
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ContainerStatus containerStatus =
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containerManager.getContainerStatuses(gcsRequest)
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.getContainerStatuses().get(0);
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Assert.assertEquals(ExitCode.FORCE_KILLED.getExitCode(),
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containerStatus.getExitStatus());
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int expectedExitCode = Shell.WINDOWS ? ExitCode.FORCE_KILLED.getExitCode() :
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ExitCode.TERMINATED.getExitCode();
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Assert.assertEquals(expectedExitCode, containerStatus.getExitStatus());
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// Now verify the contents of the file. Script generates a message when it
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// receives a sigterm so we look for that. We cannot perform this check on
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