Examples with TaskAttemptEvent org.apache.hadoop.mapreduce.v2.app.job.event.TaskAttemptEvent used on opensource projects

Example 51 with TaskAttemptEvent

use of org.apache.hadoop.mapreduce.v2.app.job.event.TaskAttemptEvent in project hadoop by apache.

the class TestTaskAttempt method testDoubleTooManyFetchFailure.

@Test
public void testDoubleTooManyFetchFailure() 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);
    TaskId reduceTaskId = MRBuilderUtils.newTaskId(jobId, 1, TaskType.REDUCE);
    TaskAttemptId reduceTAId = MRBuilderUtils.newTaskAttemptId(reduceTaskId, 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);
    setupTaskAttemptFinishingMonitor(eventHandler, jobConf, appCtx);
    TaskAttemptImpl taImpl = new MapTaskAttemptImpl(taskId, 1, eventHandler, jobFile, 1, splits, jobConf, taListener, new Token(), new Credentials(), SystemClock.getInstance(), appCtx);
    NodeId nid = NodeId.newInstance("127.0.0.1", 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));
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_DONE));
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_CONTAINER_COMPLETED));
    assertEquals("Task attempt is not in succeeded state", taImpl.getState(), TaskAttemptState.SUCCEEDED);
    taImpl.handle(new TaskAttemptTooManyFetchFailureEvent(attemptId, reduceTAId, "Host"));
    assertEquals("Task attempt is not in FAILED state", taImpl.getState(), TaskAttemptState.FAILED);
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_TOO_MANY_FETCH_FAILURE));
    assertEquals("Task attempt is not in FAILED state, still", taImpl.getState(), TaskAttemptState.FAILED);
    assertFalse("InternalError occurred trying to handle TA_CONTAINER_CLEANED", eventHandler.internalError);
}

Example 52 with TaskAttemptEvent

use of org.apache.hadoop.mapreduce.v2.app.job.event.TaskAttemptEvent in project hadoop by apache.

the class TestTaskAttempt method testAppDiognosticEventOnUnassignedTask.

@Test
public void testAppDiognosticEventOnUnassignedTask() 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);
    setupTaskAttemptFinishingMonitor(eventHandler, jobConf, appCtx);
    TaskAttemptImpl taImpl = new MapTaskAttemptImpl(taskId, 1, eventHandler, jobFile, 1, splits, jobConf, taListener, new Token(), new Credentials(), SystemClock.getInstance(), appCtx);
    NodeId nid = NodeId.newInstance("127.0.0.1", 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 TaskAttemptDiagnosticsUpdateEvent(attemptId, "Task got killed"));
    assertFalse("InternalError occurred trying to handle TA_DIAGNOSTICS_UPDATE on assigned task", eventHandler.internalError);
    try {
        taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_KILL));
        Assert.assertTrue("No exception on UNASSIGNED STATE KILL event", true);
    } catch (Exception e) {
        Assert.assertFalse("Exception not expected for UNASSIGNED STATE KILL event", true);
    }
}

Example 53 with TaskAttemptEvent

use of org.apache.hadoop.mapreduce.v2.app.job.event.TaskAttemptEvent in project hadoop by apache.

the class TestTaskAttempt method testKillMapTaskAfterSuccess.

@Test
public void testKillMapTaskAfterSuccess() throws Exception {
    MockEventHandler eventHandler = new MockEventHandler();
    TaskAttemptImpl taImpl = createTaskAttemptImpl(eventHandler);
    taImpl.handle(new TaskAttemptEvent(taImpl.getID(), TaskAttemptEventType.TA_DONE));
    assertEquals("Task attempt is not in SUCCEEDED state", taImpl.getState(), TaskAttemptState.SUCCEEDED);
    assertEquals("Task attempt's internal state is not " + "SUCCESS_FINISHING_CONTAINER", taImpl.getInternalState(), TaskAttemptStateInternal.SUCCESS_FINISHING_CONTAINER);
    taImpl.handle(new TaskAttemptEvent(taImpl.getID(), TaskAttemptEventType.TA_CONTAINER_CLEANED));
    // Send a map task attempt kill event indicating next map attempt has to be
    // reschedule
    taImpl.handle(new TaskAttemptKillEvent(taImpl.getID(), "", true));
    assertEquals("Task attempt is not in KILLED state", taImpl.getState(), TaskAttemptState.KILLED);
    assertEquals("Task attempt's internal state is not KILLED", taImpl.getInternalState(), TaskAttemptStateInternal.KILLED);
    assertFalse("InternalError occurred", eventHandler.internalError);
    TaskEvent event = eventHandler.lastTaskEvent;
    assertEquals(TaskEventType.T_ATTEMPT_KILLED, event.getType());
    // Send an attempt killed event to TaskImpl forwarding the same reschedule
    // flag we received in task attempt kill event.
    assertTrue(((TaskTAttemptKilledEvent) event).getRescheduleAttempt());
}

Example 54 with TaskAttemptEvent

use of org.apache.hadoop.mapreduce.v2.app.job.event.TaskAttemptEvent in project hadoop by apache.

the class TestTaskAttempt method verifyMillisCounters.

public void verifyMillisCounters(Resource containerResource, int minContainerSize) throws Exception {
    Clock actualClock = SystemClock.getInstance();
    ControlledClock clock = new ControlledClock(actualClock);
    clock.setTime(10);
    MRApp app = new MRApp(1, 1, false, "testSlotMillisCounterUpdate", true, clock);
    app.setAllocatedContainerResource(containerResource);
    Configuration conf = new Configuration();
    conf.setInt(YarnConfiguration.RM_SCHEDULER_MINIMUM_ALLOCATION_MB, minContainerSize);
    app.setClusterInfo(new ClusterInfo(Resource.newInstance(10240, 1)));
    Job job = app.submit(conf);
    app.waitForState(job, JobState.RUNNING);
    Map<TaskId, Task> tasks = job.getTasks();
    Assert.assertEquals("Num tasks is not correct", 2, tasks.size());
    Iterator<Task> taskIter = tasks.values().iterator();
    Task mTask = taskIter.next();
    app.waitForState(mTask, TaskState.RUNNING);
    Task rTask = taskIter.next();
    app.waitForState(rTask, TaskState.RUNNING);
    Map<TaskAttemptId, TaskAttempt> mAttempts = mTask.getAttempts();
    Assert.assertEquals("Num attempts is not correct", 1, mAttempts.size());
    Map<TaskAttemptId, TaskAttempt> rAttempts = rTask.getAttempts();
    Assert.assertEquals("Num attempts is not correct", 1, rAttempts.size());
    TaskAttempt mta = mAttempts.values().iterator().next();
    TaskAttempt rta = rAttempts.values().iterator().next();
    app.waitForState(mta, TaskAttemptState.RUNNING);
    app.waitForState(rta, TaskAttemptState.RUNNING);
    clock.setTime(11);
    app.getContext().getEventHandler().handle(new TaskAttemptEvent(mta.getID(), TaskAttemptEventType.TA_DONE));
    app.getContext().getEventHandler().handle(new TaskAttemptEvent(rta.getID(), TaskAttemptEventType.TA_DONE));
    app.waitForState(job, JobState.SUCCEEDED);
    Assert.assertEquals(mta.getFinishTime(), 11);
    Assert.assertEquals(mta.getLaunchTime(), 10);
    Assert.assertEquals(rta.getFinishTime(), 11);
    Assert.assertEquals(rta.getLaunchTime(), 10);
    Counters counters = job.getAllCounters();
    int memoryMb = (int) containerResource.getMemorySize();
    int vcores = containerResource.getVirtualCores();
    Assert.assertEquals((int) Math.ceil((float) memoryMb / minContainerSize), counters.findCounter(JobCounter.SLOTS_MILLIS_MAPS).getValue());
    Assert.assertEquals((int) Math.ceil((float) memoryMb / minContainerSize), counters.findCounter(JobCounter.SLOTS_MILLIS_REDUCES).getValue());
    Assert.assertEquals(1, counters.findCounter(JobCounter.MILLIS_MAPS).getValue());
    Assert.assertEquals(1, counters.findCounter(JobCounter.MILLIS_REDUCES).getValue());
    Assert.assertEquals(memoryMb, counters.findCounter(JobCounter.MB_MILLIS_MAPS).getValue());
    Assert.assertEquals(memoryMb, counters.findCounter(JobCounter.MB_MILLIS_REDUCES).getValue());
    Assert.assertEquals(vcores, counters.findCounter(JobCounter.VCORES_MILLIS_MAPS).getValue());
    Assert.assertEquals(vcores, counters.findCounter(JobCounter.VCORES_MILLIS_REDUCES).getValue());
}

Example 55 with TaskAttemptEvent

use of org.apache.hadoop.mapreduce.v2.app.job.event.TaskAttemptEvent in project hadoop by apache.

the class TestTaskAttempt method testContainerKillAfterAssigned.

@Test
public void testContainerKillAfterAssigned() 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)));
    assertEquals("Task attempt is not in assinged state", taImpl.getInternalState(), TaskAttemptStateInternal.ASSIGNED);
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_KILL));
    assertEquals("Task should be in KILL_CONTAINER_CLEANUP state", TaskAttemptStateInternal.KILL_CONTAINER_CLEANUP, taImpl.getInternalState());
}