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

Example 6 with TaskAttemptListener

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

the class TestTaskAttempt method testContainerKillWhileCommitPending.

@Test
public void testContainerKillWhileCommitPending() throws Exception {
    ApplicationId appId = ApplicationId.newInstance(1, 2);
    ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(appId, 0);
    JobId jobId = MRBuilderUtils.newJobId(appId, 1);
    TaskId taskId = MRBuilderUtils.newTaskId(jobId, 1, TaskType.MAP);
    TaskAttemptId attemptId = MRBuilderUtils.newTaskAttemptId(taskId, 0);
    Path jobFile = mock(Path.class);
    MockEventHandler eventHandler = new MockEventHandler();
    TaskAttemptListener taListener = mock(TaskAttemptListener.class);
    when(taListener.getAddress()).thenReturn(new InetSocketAddress("localhost", 0));
    JobConf jobConf = new JobConf();
    jobConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class);
    jobConf.setBoolean("fs.file.impl.disable.cache", true);
    jobConf.set(JobConf.MAPRED_MAP_TASK_ENV, "");
    jobConf.set(MRJobConfig.APPLICATION_ATTEMPT_ID, "10");
    TaskSplitMetaInfo splits = mock(TaskSplitMetaInfo.class);
    when(splits.getLocations()).thenReturn(new String[] { "127.0.0.1" });
    AppContext appCtx = mock(AppContext.class);
    ClusterInfo clusterInfo = mock(ClusterInfo.class);
    Resource resource = mock(Resource.class);
    when(appCtx.getClusterInfo()).thenReturn(clusterInfo);
    when(resource.getMemorySize()).thenReturn(1024L);
    TaskAttemptImpl taImpl = new MapTaskAttemptImpl(taskId, 1, eventHandler, jobFile, 1, splits, jobConf, taListener, new Token(), new Credentials(), SystemClock.getInstance(), appCtx);
    NodeId nid = NodeId.newInstance("127.0.0.2", 0);
    ContainerId contId = ContainerId.newContainerId(appAttemptId, 3);
    Container container = mock(Container.class);
    when(container.getId()).thenReturn(contId);
    when(container.getNodeId()).thenReturn(nid);
    when(container.getNodeHttpAddress()).thenReturn("localhost:0");
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_SCHEDULE));
    taImpl.handle(new TaskAttemptContainerAssignedEvent(attemptId, container, mock(Map.class)));
    taImpl.handle(new TaskAttemptContainerLaunchedEvent(attemptId, 0));
    assertEquals("Task attempt is not in running state", taImpl.getState(), TaskAttemptState.RUNNING);
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_COMMIT_PENDING));
    assertEquals("Task should be in COMMIT_PENDING state", TaskAttemptStateInternal.COMMIT_PENDING, taImpl.getInternalState());
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_KILL));
    assertFalse("InternalError occurred trying to handle TA_KILL", eventHandler.internalError);
    assertEquals("Task should be in KILL_CONTAINER_CLEANUP state", TaskAttemptStateInternal.KILL_CONTAINER_CLEANUP, taImpl.getInternalState());
}

Example 7 with TaskAttemptListener

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

the class TestTaskAttempt method testLaunchFailedWhileKilling.

@Test
public void testLaunchFailedWhileKilling() throws Exception {
    ApplicationId appId = ApplicationId.newInstance(1, 2);
    ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(appId, 0);
    JobId jobId = MRBuilderUtils.newJobId(appId, 1);
    TaskId taskId = MRBuilderUtils.newTaskId(jobId, 1, TaskType.MAP);
    TaskAttemptId attemptId = MRBuilderUtils.newTaskAttemptId(taskId, 0);
    Path jobFile = mock(Path.class);
    MockEventHandler eventHandler = new MockEventHandler();
    TaskAttemptListener taListener = mock(TaskAttemptListener.class);
    when(taListener.getAddress()).thenReturn(new InetSocketAddress("localhost", 0));
    JobConf jobConf = new JobConf();
    jobConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class);
    jobConf.setBoolean("fs.file.impl.disable.cache", true);
    jobConf.set(JobConf.MAPRED_MAP_TASK_ENV, "");
    jobConf.set(MRJobConfig.APPLICATION_ATTEMPT_ID, "10");
    TaskSplitMetaInfo splits = mock(TaskSplitMetaInfo.class);
    when(splits.getLocations()).thenReturn(new String[] { "127.0.0.1" });
    TaskAttemptImpl taImpl = new MapTaskAttemptImpl(taskId, 1, eventHandler, jobFile, 1, splits, jobConf, taListener, new Token(), new Credentials(), SystemClock.getInstance(), null);
    NodeId nid = NodeId.newInstance("127.0.0.1", 0);
    ContainerId contId = ContainerId.newContainerId(appAttemptId, 3);
    Container container = mock(Container.class);
    when(container.getId()).thenReturn(contId);
    when(container.getNodeId()).thenReturn(nid);
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_SCHEDULE));
    taImpl.handle(new TaskAttemptContainerAssignedEvent(attemptId, container, mock(Map.class)));
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_KILL));
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_CONTAINER_CLEANED));
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_CONTAINER_LAUNCH_FAILED));
    assertFalse(eventHandler.internalError);
    assertEquals("Task attempt is not assigned on the local node", Locality.NODE_LOCAL, taImpl.getLocality());
}

Example 8 with TaskAttemptListener

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

the class TestTaskImpl method testFailedTransitions.

@Test
public void testFailedTransitions() {
    mockTask = new MockTaskImpl(jobId, partition, dispatcher.getEventHandler(), remoteJobConfFile, conf, taskAttemptListener, jobToken, credentials, clock, startCount, metrics, appContext, TaskType.MAP) {

        @Override
        protected int getMaxAttempts() {
            return 1;
        }
    };
    TaskId taskId = getNewTaskID();
    scheduleTaskAttempt(taskId);
    launchTaskAttempt(getLastAttempt().getAttemptId());
    // add three more speculative attempts
    mockTask.handle(new TaskTAttemptEvent(getLastAttempt().getAttemptId(), TaskEventType.T_ADD_SPEC_ATTEMPT));
    launchTaskAttempt(getLastAttempt().getAttemptId());
    mockTask.handle(new TaskTAttemptEvent(getLastAttempt().getAttemptId(), TaskEventType.T_ADD_SPEC_ATTEMPT));
    launchTaskAttempt(getLastAttempt().getAttemptId());
    mockTask.handle(new TaskTAttemptEvent(getLastAttempt().getAttemptId(), TaskEventType.T_ADD_SPEC_ATTEMPT));
    launchTaskAttempt(getLastAttempt().getAttemptId());
    assertEquals(4, taskAttempts.size());
    // have the first attempt fail, verify task failed due to no retries
    MockTaskAttemptImpl taskAttempt = taskAttempts.get(0);
    taskAttempt.setState(TaskAttemptState.FAILED);
    mockTask.handle(new TaskTAttemptEvent(taskAttempt.getAttemptId(), TaskEventType.T_ATTEMPT_FAILED));
    assertEquals(TaskState.FAILED, mockTask.getState());
    // verify task can no longer be killed
    mockTask.handle(new TaskEvent(taskId, TaskEventType.T_KILL));
    assertEquals(TaskState.FAILED, mockTask.getState());
    // verify speculative doesn't launch new tasks
    mockTask.handle(new TaskTAttemptEvent(getLastAttempt().getAttemptId(), TaskEventType.T_ADD_SPEC_ATTEMPT));
    mockTask.handle(new TaskTAttemptEvent(getLastAttempt().getAttemptId(), TaskEventType.T_ATTEMPT_LAUNCHED));
    assertEquals(TaskState.FAILED, mockTask.getState());
    assertEquals(4, taskAttempts.size());
    // verify attempt events from active tasks don't knock task out of FAILED
    taskAttempt = taskAttempts.get(1);
    taskAttempt.setState(TaskAttemptState.COMMIT_PENDING);
    mockTask.handle(new TaskTAttemptEvent(taskAttempt.getAttemptId(), TaskEventType.T_ATTEMPT_COMMIT_PENDING));
    assertEquals(TaskState.FAILED, mockTask.getState());
    taskAttempt.setState(TaskAttemptState.FAILED);
    mockTask.handle(new TaskTAttemptEvent(taskAttempt.getAttemptId(), TaskEventType.T_ATTEMPT_FAILED));
    assertEquals(TaskState.FAILED, mockTask.getState());
    taskAttempt = taskAttempts.get(2);
    taskAttempt.setState(TaskAttemptState.SUCCEEDED);
    mockTask.handle(new TaskTAttemptEvent(taskAttempt.getAttemptId(), TaskEventType.T_ATTEMPT_SUCCEEDED));
    assertEquals(TaskState.FAILED, mockTask.getState());
    taskAttempt = taskAttempts.get(3);
    taskAttempt.setState(TaskAttemptState.KILLED);
    mockTask.handle(new TaskTAttemptKilledEvent(taskAttempt.getAttemptId(), false));
    assertEquals(TaskState.FAILED, mockTask.getState());
}

Example 9 with TaskAttemptListener

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

the class TestTaskImpl method testFailedTransitionWithHangingSpeculativeMap.

@Test
public void testFailedTransitionWithHangingSpeculativeMap() {
    mockTask = new MockTaskImpl(jobId, partition, new PartialAttemptEventHandler(), remoteJobConfFile, conf, taskAttemptListener, jobToken, credentials, clock, startCount, metrics, appContext, TaskType.MAP) {

        @Override
        protected int getMaxAttempts() {
            return 4;
        }
    };
    // start a new task, schedule and launch a new attempt
    TaskId taskId = getNewTaskID();
    scheduleTaskAttempt(taskId);
    launchTaskAttempt(getLastAttempt().getAttemptId());
    // add a speculative attempt(#2), but not launch it
    mockTask.handle(new TaskTAttemptEvent(getLastAttempt().getAttemptId(), TaskEventType.T_ADD_SPEC_ATTEMPT));
    // have the first attempt(#1) fail, verify task still running since the
    // max attempts is 4
    MockTaskAttemptImpl taskAttempt = taskAttempts.get(0);
    taskAttempt.setState(TaskAttemptState.FAILED);
    mockTask.handle(new TaskTAttemptEvent(taskAttempt.getAttemptId(), TaskEventType.T_ATTEMPT_FAILED));
    assertEquals(TaskState.RUNNING, mockTask.getState());
    // verify a new attempt(#3) added because the speculative attempt(#2)
    // is hanging
    assertEquals(3, taskAttempts.size());
    // verify the speculative attempt(#2) is not a rescheduled attempt
    assertEquals(false, taskAttempts.get(1).getRescheduled());
    // verify the third attempt is a rescheduled attempt
    assertEquals(true, taskAttempts.get(2).getRescheduled());
    // now launch the latest attempt(#3) and set the internal state to running
    launchTaskAttempt(getLastAttempt().getAttemptId());
    // have the speculative attempt(#2) fail, verify task still since it
    // hasn't reach the max attempts which is 4
    MockTaskAttemptImpl taskAttempt1 = taskAttempts.get(1);
    taskAttempt1.setState(TaskAttemptState.FAILED);
    mockTask.handle(new TaskTAttemptEvent(taskAttempt1.getAttemptId(), TaskEventType.T_ATTEMPT_FAILED));
    assertEquals(TaskState.RUNNING, mockTask.getState());
    // verify there's no new attempt added because of the running attempt(#3)
    assertEquals(3, taskAttempts.size());
}

Example 10 with TaskAttemptListener

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

the class TestTaskImpl method setup.

@Before
@SuppressWarnings("unchecked")
public void setup() {
    dispatcher = new InlineDispatcher();
    ++startCount;
    conf = new JobConf();
    taskAttemptListener = mock(TaskAttemptListener.class);
    jobToken = (Token<JobTokenIdentifier>) mock(Token.class);
    remoteJobConfFile = mock(Path.class);
    credentials = null;
    clock = SystemClock.getInstance();
    metrics = mock(MRAppMetrics.class);
    dataLocations = new String[1];
    appId = ApplicationId.newInstance(System.currentTimeMillis(), 1);
    jobId = Records.newRecord(JobId.class);
    jobId.setId(1);
    jobId.setAppId(appId);
    appContext = mock(AppContext.class);
    taskSplitMetaInfo = mock(TaskSplitMetaInfo.class);
    when(taskSplitMetaInfo.getLocations()).thenReturn(dataLocations);
    taskAttempts = new ArrayList<MockTaskAttemptImpl>();
    taskAttemptEventHandler = new MockTaskAttemptEventHandler();
    dispatcher.register(TaskAttemptEventType.class, taskAttemptEventHandler);
}