Package org.apache.hadoop.yarn.event

Examples of org.apache.hadoop.yarn.event.Dispatcher

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   * @return a mock {@link RMContext} for use in test cases
   */
  @SuppressWarnings("rawtypes")
  public static RMContext getMockRMContext() {
    // Null dispatcher
    Dispatcher nullDispatcher = new Dispatcher() {
      private final EventHandler handler =
          new EventHandler() {
            @Override
            public void handle(Event event) {
            }
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        remoteLogDir.getAbsolutePath());

    ContainerExecutor exec = new DefaultContainerExecutor();
    exec.setConf(conf);
    DeletionService del = new DeletionService(exec);
    Dispatcher dispatcher = new AsyncDispatcher();
    NodeHealthCheckerService healthChecker = null;
    NodeManagerMetrics metrics = NodeManagerMetrics.create();
    ContainerTokenSecretManager containerTokenSecretManager =  new ContainerTokenSecretManager();
    NodeStatusUpdater nodeStatusUpdater =
        new NodeStatusUpdaterImpl(context, dispatcher, healthChecker, metrics, containerTokenSecretManager) {
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    server.start();

    // Add an application and the corresponding containers
    RecordFactory recordFactory =
        RecordFactoryProvider.getRecordFactory(conf);
    Dispatcher dispatcher = new AsyncDispatcher();
    String user = "nobody";
    long clusterTimeStamp = 1234;
    ApplicationId appId =
        BuilderUtils.newApplicationId(recordFactory, clusterTimeStamp, 1);
    Application app = mock(Application.class);
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  private NodeId nodeId;

  @Before
  public void setUp() {
    // Dispatcher that processes events inline
    Dispatcher dispatcher = new InlineDispatcher();
    dispatcher.register(SchedulerEventType.class, new EventHandler<Event>() {
      @Override
      public void handle(Event event) {
        ; // ignore
      }
    });
    RMContext context =
        new RMContextImpl(new MemStore(), dispatcher, null, null, null);
    dispatcher.register(RMNodeEventType.class,
        new ResourceManager.NodeEventDispatcher(context));
    NodesListManager nodesListManager = new NodesListManager();
    Configuration conf = new Configuration();
    nodesListManager.init(conf);
    resourceTrackerService = new ResourceTrackerService(context,
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    final List<RMApp> apps = newRMApps(n, time, RMAppState.FINISHED);
    final ConcurrentMap<ApplicationId, RMApp> map = Maps.newConcurrentMap();
    for (RMApp app : apps) {
      map.put(app.getApplicationId(), app);
    }
    Dispatcher rmDispatcher = new AsyncDispatcher();
    ContainerAllocationExpirer containerAllocationExpirer = new ContainerAllocationExpirer(
        rmDispatcher);
    AMLivelinessMonitor amLivelinessMonitor = new AMLivelinessMonitor(
        rmDispatcher);
    return new RMContextImpl(new MemStore(), rmDispatcher,
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  @Before
  public void setUp() {
    Configuration conf = new Configuration();
    // Dispatcher that processes events inline
    Dispatcher dispatcher = new InlineDispatcher();
    RMContext context = new RMContextImpl(new MemStore(), dispatcher, null,
        null, null);
    dispatcher.register(SchedulerEventType.class,
        new InlineDispatcher.EmptyEventHandler());
    dispatcher.register(RMNodeEventType.class,
        new NodeEventDispatcher(context));
    NMLivelinessMonitor nmLivelinessMonitor = new TestNmLivelinessMonitor(
        dispatcher);
    nmLivelinessMonitor.init(conf);
    nmLivelinessMonitor.start();
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   * @return a mock {@link RMContext} for use in test cases
   */
  @SuppressWarnings("rawtypes")
  public static RMContext getMockRMContext() {
    // Null dispatcher
    Dispatcher nullDispatcher = new Dispatcher() {
      private final EventHandler handler =
          new EventHandler() {
            @Override
            public void handle(Event event) {
            }
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          iter.next().getReport().getTaskAttemptState());
  }

  @Test
  public void testKillTaskWait() throws Exception {
    final Dispatcher dispatcher = new AsyncDispatcher() {
      private TaskAttemptEvent cachedKillEvent;
      @Override
      protected void dispatch(Event event) {
        if (event instanceof TaskAttemptEvent) {
          TaskAttemptEvent killEvent = (TaskAttemptEvent) event;
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    return submitRequest;
  }

  private void mockRMContext(YarnScheduler yarnScheduler, RMContext rmContext)
      throws IOException {
    Dispatcher dispatcher = mock(Dispatcher.class);
    when(rmContext.getDispatcher()).thenReturn(dispatcher);
    EventHandler eventHandler = mock(EventHandler.class);
    when(dispatcher.getEventHandler()).thenReturn(eventHandler);
    QueueInfo queInfo = recordFactory.newRecordInstance(QueueInfo.class);
    queInfo.setQueueName("testqueue");
    when(yarnScheduler.getQueueInfo(eq("testqueue"), anyBoolean(), anyBoolean()))
        .thenReturn(queInfo);
    when(yarnScheduler.getQueueInfo(eq("nonexistentqueue"), anyBoolean(), anyBoolean()))
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            System.currentTimeMillis(), 1), 1), 1));
    ContainerLaunchContext clc = mock(ContainerLaunchContext.class);
    when(clc.getCommands()).thenReturn(Collections.<String>emptyList());
    when(container.getLaunchContext()).thenReturn(clc);
    when(container.getLocalizedResources()).thenReturn(null);
    Dispatcher dispatcher = mock(Dispatcher.class);
    EventHandler eventHandler = new EventHandler() {
      public void handle(Event event) {
        Assert.assertTrue(event instanceof ContainerExitEvent);
        ContainerExitEvent exitEvent = (ContainerExitEvent) event;
        Assert.assertEquals(ContainerEventType.CONTAINER_EXITED_WITH_FAILURE,
            exitEvent.getType());
      }
    };
    when(dispatcher.getEventHandler()).thenReturn(eventHandler);
    ContainerLaunch launch = new ContainerLaunch(context, new Configuration(),
        dispatcher, exec, null, container, dirsHandler, containerManager);
    launch.call();
  }
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Related Classes of org.apache.hadoop.yarn.event.Dispatcher

  • org.apache.hadoop.mapreduce.v2.app.TestKill
  • org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.TestContainerLaunch
  • org.apache.hadoop.yarn.server.nodemanager.TestEventFlow
  • org.apache.hadoop.yarn.server.nodemanager.TestNodeStatusUpdater$MyResourceTracker
  • org.apache.hadoop.yarn.server.nodemanager.webapp.TestNMWebServer
  • org.apache.hadoop.yarn.server.nodemanager.webapp.TestNMWebServicesApps
  • org.apache.hadoop.yarn.server.nodemanager.webapp.TestNMWebServicesContainers
  • org.apache.hadoop.yarn.server.resourcemanager.ResourceManager
  • org.apache.hadoop.yarn.server.resourcemanager.resourcetracker.TestNMExpiry
  • org.apache.hadoop.yarn.server.resourcemanager.resourcetracker.TestNMReconnect
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