Examples with AppContext org.apache.hadoop.mapreduce.v2.app.AppContext used on opensource projects

Example 46 with AppContext

use of org.apache.hadoop.mapreduce.v2.app.AppContext in project hadoop by apache.

the class TestLocalContainerLauncher method testKillJob.

@SuppressWarnings("rawtypes")
@Test(timeout = 10000)
public void testKillJob() throws Exception {
    JobConf conf = new JobConf();
    AppContext context = mock(AppContext.class);
    // a simple event handler solely to detect the container cleaned event
    final CountDownLatch isDone = new CountDownLatch(1);
    EventHandler<Event> handler = new EventHandler<Event>() {

        @Override
        public void handle(Event event) {
            LOG.info("handling event " + event.getClass() + " with type " + event.getType());
            if (event instanceof TaskAttemptEvent) {
                if (event.getType() == TaskAttemptEventType.TA_CONTAINER_CLEANED) {
                    isDone.countDown();
                }
            }
        }
    };
    when(context.getEventHandler()).thenReturn(handler);
    // create and start the launcher
    LocalContainerLauncher launcher = new LocalContainerLauncher(context, mock(TaskUmbilicalProtocol.class));
    launcher.init(conf);
    launcher.start();
    // create mocked job, task, and task attempt
    // a single-mapper job
    JobId jobId = MRBuilderUtils.newJobId(System.currentTimeMillis(), 1, 1);
    TaskId taskId = MRBuilderUtils.newTaskId(jobId, 1, TaskType.MAP);
    TaskAttemptId taId = MRBuilderUtils.newTaskAttemptId(taskId, 0);
    Job job = mock(Job.class);
    when(job.getTotalMaps()).thenReturn(1);
    when(job.getTotalReduces()).thenReturn(0);
    Map<JobId, Job> jobs = new HashMap<JobId, Job>();
    jobs.put(jobId, job);
    // app context returns the one and only job
    when(context.getAllJobs()).thenReturn(jobs);
    org.apache.hadoop.mapreduce.v2.app.job.Task ytask = mock(org.apache.hadoop.mapreduce.v2.app.job.Task.class);
    when(ytask.getType()).thenReturn(TaskType.MAP);
    when(job.getTask(taskId)).thenReturn(ytask);
    // create a sleeping mapper that runs beyond the test timeout
    MapTask mapTask = mock(MapTask.class);
    when(mapTask.isMapOrReduce()).thenReturn(true);
    when(mapTask.isMapTask()).thenReturn(true);
    TaskAttemptID taskID = TypeConverter.fromYarn(taId);
    when(mapTask.getTaskID()).thenReturn(taskID);
    when(mapTask.getJobID()).thenReturn(taskID.getJobID());
    doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            // sleep for a long time
            LOG.info("sleeping for 5 minutes...");
            Thread.sleep(5 * 60 * 1000);
            return null;
        }
    }).when(mapTask).run(isA(JobConf.class), isA(TaskUmbilicalProtocol.class));
    // pump in a task attempt launch event
    ContainerLauncherEvent launchEvent = new ContainerRemoteLaunchEvent(taId, null, createMockContainer(), mapTask);
    launcher.handle(launchEvent);
    Thread.sleep(200);
    // now pump in a container clean-up event
    ContainerLauncherEvent cleanupEvent = new ContainerLauncherEvent(taId, null, null, null, ContainerLauncher.EventType.CONTAINER_REMOTE_CLEANUP);
    launcher.handle(cleanupEvent);
    // wait for the event to fire: this should be received promptly
    isDone.await();
    launcher.close();
}

Example 47 with AppContext

use of org.apache.hadoop.mapreduce.v2.app.AppContext in project hadoop by apache.

the class TestTaskAttemptFinishingMonitor method testFinshingAttemptTimeout.

@Test
public void testFinshingAttemptTimeout() throws IOException, InterruptedException {
    SystemClock clock = SystemClock.getInstance();
    Configuration conf = new Configuration();
    conf.setInt(MRJobConfig.TASK_EXIT_TIMEOUT, 100);
    conf.setInt(MRJobConfig.TASK_EXIT_TIMEOUT_CHECK_INTERVAL_MS, 10);
    AppContext appCtx = mock(AppContext.class);
    JobTokenSecretManager secret = mock(JobTokenSecretManager.class);
    RMHeartbeatHandler rmHeartbeatHandler = mock(RMHeartbeatHandler.class);
    MockEventHandler eventHandler = new MockEventHandler();
    TaskAttemptFinishingMonitor taskAttemptFinishingMonitor = new TaskAttemptFinishingMonitor(eventHandler);
    taskAttemptFinishingMonitor.init(conf);
    taskAttemptFinishingMonitor.start();
    when(appCtx.getEventHandler()).thenReturn(eventHandler);
    when(appCtx.getNMHostname()).thenReturn("0.0.0.0");
    when(appCtx.getTaskAttemptFinishingMonitor()).thenReturn(taskAttemptFinishingMonitor);
    when(appCtx.getClock()).thenReturn(clock);
    CheckpointAMPreemptionPolicy policy = new CheckpointAMPreemptionPolicy();
    policy.init(appCtx);
    TaskAttemptListenerImpl listener = new TaskAttemptListenerImpl(appCtx, secret, rmHeartbeatHandler, policy);
    listener.init(conf);
    listener.start();
    JobId jid = MRBuilderUtils.newJobId(12345, 1, 1);
    TaskId tid = MRBuilderUtils.newTaskId(jid, 0, org.apache.hadoop.mapreduce.v2.api.records.TaskType.MAP);
    TaskAttemptId attemptId = MRBuilderUtils.newTaskAttemptId(tid, 0);
    appCtx.getTaskAttemptFinishingMonitor().register(attemptId);
    int check = 0;
    while (!eventHandler.timedOut && check++ < 10) {
        Thread.sleep(100);
    }
    taskAttemptFinishingMonitor.stop();
    assertTrue("Finishing attempt didn't time out.", eventHandler.timedOut);
}

Example 48 with AppContext

use of org.apache.hadoop.mapreduce.v2.app.AppContext in project hadoop by apache.

the class TestTaskAttemptListenerImpl method testGetMapCompletionEvents.

@Test(timeout = 10000)
public void testGetMapCompletionEvents() throws IOException {
    TaskAttemptCompletionEvent[] empty = {};
    TaskAttemptCompletionEvent[] taskEvents = { createTce(0, true, TaskAttemptCompletionEventStatus.OBSOLETE), createTce(1, false, TaskAttemptCompletionEventStatus.FAILED), createTce(2, true, TaskAttemptCompletionEventStatus.SUCCEEDED), createTce(3, false, TaskAttemptCompletionEventStatus.FAILED) };
    TaskAttemptCompletionEvent[] mapEvents = { taskEvents[0], taskEvents[2] };
    Job mockJob = mock(Job.class);
    when(mockJob.getTaskAttemptCompletionEvents(0, 100)).thenReturn(taskEvents);
    when(mockJob.getTaskAttemptCompletionEvents(0, 2)).thenReturn(Arrays.copyOfRange(taskEvents, 0, 2));
    when(mockJob.getTaskAttemptCompletionEvents(2, 100)).thenReturn(Arrays.copyOfRange(taskEvents, 2, 4));
    when(mockJob.getMapAttemptCompletionEvents(0, 100)).thenReturn(TypeConverter.fromYarn(mapEvents));
    when(mockJob.getMapAttemptCompletionEvents(0, 2)).thenReturn(TypeConverter.fromYarn(mapEvents));
    when(mockJob.getMapAttemptCompletionEvents(2, 100)).thenReturn(TypeConverter.fromYarn(empty));
    AppContext appCtx = mock(AppContext.class);
    when(appCtx.getJob(any(JobId.class))).thenReturn(mockJob);
    JobTokenSecretManager secret = mock(JobTokenSecretManager.class);
    RMHeartbeatHandler rmHeartbeatHandler = mock(RMHeartbeatHandler.class);
    final TaskHeartbeatHandler hbHandler = mock(TaskHeartbeatHandler.class);
    Dispatcher dispatcher = mock(Dispatcher.class);
    @SuppressWarnings("unchecked") EventHandler<Event> ea = mock(EventHandler.class);
    when(dispatcher.getEventHandler()).thenReturn(ea);
    when(appCtx.getEventHandler()).thenReturn(ea);
    CheckpointAMPreemptionPolicy policy = new CheckpointAMPreemptionPolicy();
    policy.init(appCtx);
    TaskAttemptListenerImpl listener = new MockTaskAttemptListenerImpl(appCtx, secret, rmHeartbeatHandler, policy) {

        @Override
        protected void registerHeartbeatHandler(Configuration conf) {
            taskHeartbeatHandler = hbHandler;
        }
    };
    Configuration conf = new Configuration();
    listener.init(conf);
    listener.start();
    JobID jid = new JobID("12345", 1);
    TaskAttemptID tid = new TaskAttemptID("12345", 1, TaskType.REDUCE, 1, 0);
    MapTaskCompletionEventsUpdate update = listener.getMapCompletionEvents(jid, 0, 100, tid);
    assertEquals(2, update.events.length);
    update = listener.getMapCompletionEvents(jid, 0, 2, tid);
    assertEquals(2, update.events.length);
    update = listener.getMapCompletionEvents(jid, 2, 100, tid);
    assertEquals(0, update.events.length);
}

Example 49 with AppContext

use of org.apache.hadoop.mapreduce.v2.app.AppContext in project hadoop by apache.

the class TestTaskAttemptListenerImpl method testCommitWindow.

@Test(timeout = 10000)
public void testCommitWindow() throws IOException {
    SystemClock clock = SystemClock.getInstance();
    org.apache.hadoop.mapreduce.v2.app.job.Task mockTask = mock(org.apache.hadoop.mapreduce.v2.app.job.Task.class);
    when(mockTask.canCommit(any(TaskAttemptId.class))).thenReturn(true);
    Job mockJob = mock(Job.class);
    when(mockJob.getTask(any(TaskId.class))).thenReturn(mockTask);
    AppContext appCtx = mock(AppContext.class);
    when(appCtx.getJob(any(JobId.class))).thenReturn(mockJob);
    when(appCtx.getClock()).thenReturn(clock);
    JobTokenSecretManager secret = mock(JobTokenSecretManager.class);
    RMHeartbeatHandler rmHeartbeatHandler = mock(RMHeartbeatHandler.class);
    final TaskHeartbeatHandler hbHandler = mock(TaskHeartbeatHandler.class);
    Dispatcher dispatcher = mock(Dispatcher.class);
    @SuppressWarnings("unchecked") EventHandler<Event> ea = mock(EventHandler.class);
    when(dispatcher.getEventHandler()).thenReturn(ea);
    when(appCtx.getEventHandler()).thenReturn(ea);
    CheckpointAMPreemptionPolicy policy = new CheckpointAMPreemptionPolicy();
    policy.init(appCtx);
    TaskAttemptListenerImpl listener = new MockTaskAttemptListenerImpl(appCtx, secret, rmHeartbeatHandler, policy) {

        @Override
        protected void registerHeartbeatHandler(Configuration conf) {
            taskHeartbeatHandler = hbHandler;
        }
    };
    Configuration conf = new Configuration();
    listener.init(conf);
    listener.start();
    // verify commit not allowed when RM heartbeat has not occurred recently
    TaskAttemptID tid = new TaskAttemptID("12345", 1, TaskType.REDUCE, 1, 0);
    boolean canCommit = listener.canCommit(tid);
    assertFalse(canCommit);
    verify(mockTask, never()).canCommit(any(TaskAttemptId.class));
    // verify commit allowed when RM heartbeat is recent
    when(rmHeartbeatHandler.getLastHeartbeatTime()).thenReturn(clock.getTime());
    canCommit = listener.canCommit(tid);
    assertTrue(canCommit);
    verify(mockTask, times(1)).canCommit(any(TaskAttemptId.class));
    listener.stop();
}

Example 50 with AppContext

use of org.apache.hadoop.mapreduce.v2.app.AppContext in project hadoop by apache.

the class TestTaskAttemptListenerImpl method testStatusUpdateProgress.

@SuppressWarnings("rawtypes")
@Test
public void testStatusUpdateProgress() throws IOException, InterruptedException {
    AppContext appCtx = mock(AppContext.class);
    JobTokenSecretManager secret = mock(JobTokenSecretManager.class);
    RMHeartbeatHandler rmHeartbeatHandler = mock(RMHeartbeatHandler.class);
    TaskHeartbeatHandler hbHandler = mock(TaskHeartbeatHandler.class);
    Dispatcher dispatcher = mock(Dispatcher.class);
    @SuppressWarnings("unchecked") EventHandler<Event> ea = mock(EventHandler.class);
    when(dispatcher.getEventHandler()).thenReturn(ea);
    when(appCtx.getEventHandler()).thenReturn(ea);
    CheckpointAMPreemptionPolicy policy = new CheckpointAMPreemptionPolicy();
    policy.init(appCtx);
    MockTaskAttemptListenerImpl listener = new MockTaskAttemptListenerImpl(appCtx, secret, rmHeartbeatHandler, hbHandler, policy);
    Configuration conf = new Configuration();
    listener.init(conf);
    listener.start();
    JVMId id = new JVMId("foo", 1, true, 1);
    WrappedJvmID wid = new WrappedJvmID(id.getJobId(), id.isMap, id.getId());
    TaskAttemptID attemptID = new TaskAttemptID("1", 1, TaskType.MAP, 1, 1);
    TaskAttemptId attemptId = TypeConverter.toYarn(attemptID);
    Task task = mock(Task.class);
    listener.registerPendingTask(task, wid);
    listener.registerLaunchedTask(attemptId, wid);
    verify(hbHandler).register(attemptId);
    // make sure a ping doesn't report progress
    AMFeedback feedback = listener.statusUpdate(attemptID, null);
    assertTrue(feedback.getTaskFound());
    verify(hbHandler, never()).progressing(eq(attemptId));
    // make sure a status update does report progress
    MapTaskStatus mockStatus = new MapTaskStatus(attemptID, 0.0f, 1, TaskStatus.State.RUNNING, "", "RUNNING", "", TaskStatus.Phase.MAP, new Counters());
    feedback = listener.statusUpdate(attemptID, mockStatus);
    assertTrue(feedback.getTaskFound());
    verify(hbHandler).progressing(eq(attemptId));
    listener.close();
}