Examples with TaskAttemptEvent org.apache.tez.dag.app.dag.event.TaskAttemptEvent used on opensource projects

Example 11 with TaskAttemptEvent

use of org.apache.tez.dag.app.dag.event.TaskAttemptEvent in project tez by apache.

the class TestTaskAttempt method testNodeFailedNonLeafVertex.

@Test(timeout = 5000)
public // Ensure node failure on Successful Non-Leaf tasks cause them to be marked as KILLED
void testNodeFailedNonLeafVertex() throws Exception {
    ApplicationId appId = ApplicationId.newInstance(1, 2);
    ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(appId, 0);
    TezDAGID dagID = TezDAGID.getInstance(appId, 1);
    TezVertexID vertexID = TezVertexID.getInstance(dagID, 1);
    TezTaskID taskID = TezTaskID.getInstance(vertexID, 1);
    MockEventHandler eventHandler = spy(new MockEventHandler());
    TaskCommunicatorManagerInterface taListener = createMockTaskAttemptListener();
    Configuration taskConf = new Configuration();
    taskConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class);
    taskConf.setBoolean("fs.file.impl.disable.cache", true);
    locationHint = TaskLocationHint.createTaskLocationHint(new HashSet<String>(Arrays.asList(new String[] { "127.0.0.1" })), null);
    Resource resource = Resource.newInstance(1024, 1);
    NodeId nid = NodeId.newInstance("127.0.0.1", 0);
    @SuppressWarnings("deprecation") ContainerId contId = ContainerId.newInstance(appAttemptId, 3);
    Container container = mock(Container.class);
    when(container.getId()).thenReturn(contId);
    when(container.getNodeId()).thenReturn(nid);
    when(container.getNodeHttpAddress()).thenReturn("localhost:0");
    AMContainerMap containers = new AMContainerMap(mock(ContainerHeartbeatHandler.class), mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appCtx);
    containers.addContainerIfNew(container, 0, 0, 0);
    doReturn(new ClusterInfo()).when(appCtx).getClusterInfo();
    doReturn(containers).when(appCtx).getAllContainers();
    TaskHeartbeatHandler mockHeartbeatHandler = mock(TaskHeartbeatHandler.class);
    MockTaskAttemptImpl taImpl = new MockTaskAttemptImpl(taskID, 1, eventHandler, taListener, taskConf, new SystemClock(), mockHeartbeatHandler, appCtx, false, resource, createFakeContainerContext(), false);
    TezTaskAttemptID taskAttemptID = taImpl.getID();
    ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
    taImpl.handle(new TaskAttemptEventSchedule(taskAttemptID, 0, 0));
    taImpl.handle(new TaskAttemptEventSubmitted(taskAttemptID, contId));
    taImpl.handle(new TaskAttemptEventStartedRemotely(taskAttemptID));
    assertEquals("Task attempt is not in the RUNNING state", TaskAttemptState.RUNNING, taImpl.getState());
    verify(mockHeartbeatHandler).register(taskAttemptID);
    int expectedEventsAtRunning = 5;
    verify(eventHandler, times(expectedEventsAtRunning)).handle(arg.capture());
    taImpl.handle(new TaskAttemptEvent(taskAttemptID, TaskAttemptEventType.TA_DONE));
    assertEquals("Task attempt is not in the  SUCCEEDED state", TaskAttemptState.SUCCEEDED, taImpl.getState());
    verify(mockHeartbeatHandler).unregister(taskAttemptID);
    assertEquals(0, taImpl.getDiagnostics().size());
    int expectedEvenstAfterTerminating = expectedEventsAtRunning + 3;
    arg = ArgumentCaptor.forClass(Event.class);
    verify(eventHandler, times(expectedEvenstAfterTerminating)).handle(arg.capture());
    verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), TaskEventTASucceeded.class, 1);
    verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), AMSchedulerEventTAEnded.class, 1);
    verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), DAGEventCounterUpdate.class, 1);
    // Send out a Node Failure.
    taImpl.handle(new TaskAttemptEventNodeFailed(taskAttemptID, "NodeDecomissioned", TaskAttemptTerminationCause.NODE_FAILED));
    // Verify in KILLED state
    assertEquals("Task attempt is not in the  KILLED state", TaskAttemptState.KILLED, taImpl.getState());
    // verify unregister is not invoked again
    verify(mockHeartbeatHandler, times(1)).unregister(taskAttemptID);
    assertEquals(true, taImpl.inputFailedReported);
    // Verify one event to the Task informing it about FAILURE. No events to scheduler. Counter event.
    int expectedEventsNodeFailure = expectedEvenstAfterTerminating + 2;
    arg = ArgumentCaptor.forClass(Event.class);
    verify(eventHandler, times(expectedEventsNodeFailure)).handle(arg.capture());
    verifyEventType(arg.getAllValues().subList(expectedEvenstAfterTerminating, expectedEventsNodeFailure), TaskEventTAKilled.class, 1);
    // Verify still in KILLED state
    assertEquals("Task attempt is not in the  KILLED state", TaskAttemptState.KILLED, taImpl.getState());
    assertEquals(TaskAttemptTerminationCause.NODE_FAILED, taImpl.getTerminationCause());
    assertEquals(TaskAttemptStateInternal.KILLED, taImpl.getInternalState());
    taImpl.handle(new TaskAttemptEventTezEventUpdate(taImpl.getID(), Collections.EMPTY_LIST));
    assertFalse("InternalError occurred trying to handle TA_TEZ_EVENT_UPDATE in KILLED state", eventHandler.internalError);
}

Example 12 with TaskAttemptEvent

use of org.apache.tez.dag.app.dag.event.TaskAttemptEvent in project tez by apache.

the class TestTaskAttempt method testEventSerializingHash.

@Test(timeout = 5000)
public void testEventSerializingHash() throws Exception {
    ApplicationId appId = ApplicationId.newInstance(1, 2);
    TezDAGID dagID = TezDAGID.getInstance(appId, 1);
    TezVertexID vertexID = TezVertexID.getInstance(dagID, 1);
    TezTaskID taskID1 = TezTaskID.getInstance(vertexID, 1);
    TezTaskID taskID2 = TezTaskID.getInstance(vertexID, 2);
    TezTaskAttemptID taID11 = TezTaskAttemptID.getInstance(taskID1, 0);
    TezTaskAttemptID taID12 = TezTaskAttemptID.getInstance(taskID1, 1);
    TezTaskAttemptID taID21 = TezTaskAttemptID.getInstance(taskID2, 1);
    TaskAttemptEvent taEventFail11 = new TaskAttemptEvent(taID11, TaskAttemptEventType.TA_FAILED);
    TaskAttemptEvent taEventKill11 = new TaskAttemptEvent(taID11, TaskAttemptEventType.TA_KILL_REQUEST);
    TaskAttemptEvent taEventKill12 = new TaskAttemptEvent(taID12, TaskAttemptEventType.TA_KILL_REQUEST);
    TaskAttemptEvent taEventKill21 = new TaskAttemptEvent(taID21, TaskAttemptEventType.TA_KILL_REQUEST);
    TaskEvent tEventKill1 = new TaskEvent(taskID1, TaskEventType.T_ATTEMPT_KILLED);
    TaskEvent tEventFail1 = new TaskEvent(taskID1, TaskEventType.T_ATTEMPT_FAILED);
    TaskEvent tEventFail2 = new TaskEvent(taskID2, TaskEventType.T_ATTEMPT_FAILED);
    // all of them should have the same value
    assertEquals(taEventFail11.getSerializingHash(), taEventKill11.getSerializingHash());
    assertEquals(taEventKill11.getSerializingHash(), taEventKill12.getSerializingHash());
    assertEquals(tEventFail1.getSerializingHash(), tEventKill1.getSerializingHash());
    assertEquals(taEventFail11.getSerializingHash(), tEventKill1.getSerializingHash());
    assertEquals(taEventKill21.getSerializingHash(), tEventFail2.getSerializingHash());
    // events from different tasks may not have the same value
    assertFalse(tEventFail1.getSerializingHash() == tEventFail2.getSerializingHash());
}

Example 13 with TaskAttemptEvent

use of org.apache.tez.dag.app.dag.event.TaskAttemptEvent in project tez by apache.

the class TestTaskAttempt method testNodeFailedLeafVertex.

@Test(timeout = 5000)
public // Ensure node failure on Successful Leaf tasks do not cause them to be marked as KILLED
void testNodeFailedLeafVertex() throws Exception {
    ApplicationId appId = ApplicationId.newInstance(1, 2);
    ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(appId, 0);
    TezDAGID dagID = TezDAGID.getInstance(appId, 1);
    TezVertexID vertexID = TezVertexID.getInstance(dagID, 1);
    TezTaskID taskID = TezTaskID.getInstance(vertexID, 1);
    MockEventHandler eventHandler = spy(new MockEventHandler());
    TaskCommunicatorManagerInterface taListener = createMockTaskAttemptListener();
    Configuration taskConf = new Configuration();
    taskConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class);
    taskConf.setBoolean("fs.file.impl.disable.cache", true);
    locationHint = TaskLocationHint.createTaskLocationHint(new HashSet<String>(Arrays.asList(new String[] { "127.0.0.1" })), null);
    Resource resource = Resource.newInstance(1024, 1);
    NodeId nid = NodeId.newInstance("127.0.0.1", 0);
    @SuppressWarnings("deprecation") ContainerId contId = ContainerId.newInstance(appAttemptId, 3);
    Container container = mock(Container.class);
    when(container.getId()).thenReturn(contId);
    when(container.getNodeId()).thenReturn(nid);
    when(container.getNodeHttpAddress()).thenReturn("localhost:0");
    AMContainerMap containers = new AMContainerMap(mock(ContainerHeartbeatHandler.class), mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appCtx);
    containers.addContainerIfNew(container, 0, 0, 0);
    doReturn(new ClusterInfo()).when(appCtx).getClusterInfo();
    doReturn(containers).when(appCtx).getAllContainers();
    TaskHeartbeatHandler mockHeartbeatHandler = mock(TaskHeartbeatHandler.class);
    TaskAttemptImpl taImpl = new MockTaskAttemptImpl(taskID, 1, eventHandler, taListener, taskConf, new SystemClock(), mockHeartbeatHandler, appCtx, false, resource, createFakeContainerContext(), true);
    TezTaskAttemptID taskAttemptID = taImpl.getID();
    ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
    taImpl.handle(new TaskAttemptEventSchedule(taskAttemptID, 0, 0));
    taImpl.handle(new TaskAttemptEventSubmitted(taskAttemptID, contId));
    taImpl.handle(new TaskAttemptEventStartedRemotely(taskAttemptID));
    assertEquals("Task attempt is not in the RUNNING state", TaskAttemptState.RUNNING, taImpl.getState());
    verify(mockHeartbeatHandler).register(taskAttemptID);
    int expectedEventsAtRunning = 5;
    verify(eventHandler, times(expectedEventsAtRunning)).handle(arg.capture());
    taImpl.handle(new TaskAttemptEvent(taskAttemptID, TaskAttemptEventType.TA_DONE));
    assertEquals("Task attempt is not in the  SUCCEEDED state", TaskAttemptState.SUCCEEDED, taImpl.getState());
    verify(mockHeartbeatHandler).unregister(taskAttemptID);
    assertEquals(0, taImpl.getDiagnostics().size());
    int expectedEvenstAfterTerminating = expectedEventsAtRunning + 3;
    arg = ArgumentCaptor.forClass(Event.class);
    verify(eventHandler, times(expectedEvenstAfterTerminating)).handle(arg.capture());
    verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), TaskEventTASucceeded.class, 1);
    verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), AMSchedulerEventTAEnded.class, 1);
    verifyEventType(arg.getAllValues().subList(expectedEventsAtRunning, expectedEvenstAfterTerminating), DAGEventCounterUpdate.class, 1);
    // Send out a Node Failure.
    taImpl.handle(new TaskAttemptEventNodeFailed(taskAttemptID, "NodeDecomissioned", TaskAttemptTerminationCause.NODE_FAILED));
    // Verify no additional events
    int expectedEventsNodeFailure = expectedEvenstAfterTerminating + 0;
    arg = ArgumentCaptor.forClass(Event.class);
    verify(eventHandler, times(expectedEventsNodeFailure)).handle(arg.capture());
    // Verify still in SUCCEEDED state
    assertEquals("Task attempt is not in the  SUCCEEDED state", TaskAttemptState.SUCCEEDED, taImpl.getState());
    // verify unregister is not invoked again
    verify(mockHeartbeatHandler, times(1)).unregister(taskAttemptID);
    // error cause remains as default value
    assertEquals(TaskAttemptTerminationCause.UNKNOWN_ERROR, taImpl.getTerminationCause());
}

Example 14 with TaskAttemptEvent

use of org.apache.tez.dag.app.dag.event.TaskAttemptEvent in project tez by apache.

the class TestTaskImpl method testSucceededAttemptStatusWithRetroActiveFailures.

@SuppressWarnings("rawtypes")
@Test
public void testSucceededAttemptStatusWithRetroActiveFailures() throws InterruptedException {
    TezTaskID taskId = getNewTaskID();
    scheduleTaskAttempt(taskId);
    MockTaskAttemptImpl firstMockTaskAttempt = mockTask.getAttemptList().get(0);
    launchTaskAttempt(firstMockTaskAttempt.getID());
    mockTask.handle(createTaskTAAddSpecAttempt(mockTask.getLastAttempt().getID()));
    MockTaskAttemptImpl secondMockTaskAttempt = mockTask.getAttemptList().get(1);
    launchTaskAttempt(secondMockTaskAttempt.getID());
    firstMockTaskAttempt.handle(new TaskAttemptEventSchedule(TezTaskAttemptID.fromString(firstMockTaskAttempt.toString()), 10, 10));
    secondMockTaskAttempt.handle(new TaskAttemptEventSchedule(TezTaskAttemptID.fromString(secondMockTaskAttempt.toString()), 10, 10));
    firstMockTaskAttempt.handle(new TaskAttemptEventSubmitted(TezTaskAttemptID.fromString(firstMockTaskAttempt.toString()), mockContainer.getId()));
    secondMockTaskAttempt.handle(new TaskAttemptEventSubmitted(TezTaskAttemptID.fromString(secondMockTaskAttempt.toString()), mockContainer.getId()));
    secondMockTaskAttempt.handle(new TaskAttemptEventStartedRemotely(TezTaskAttemptID.fromString(secondMockTaskAttempt.toString())));
    firstMockTaskAttempt.handle(new TaskAttemptEventStartedRemotely(TezTaskAttemptID.fromString(firstMockTaskAttempt.toString())));
    secondMockTaskAttempt.handle(new TaskAttemptEvent(TezTaskAttemptID.fromString(secondMockTaskAttempt.toString()), TaskAttemptEventType.TA_DONE));
    firstMockTaskAttempt.handle(new TaskAttemptEvent(TezTaskAttemptID.fromString(firstMockTaskAttempt.toString()), TaskAttemptEventType.TA_DONE));
    mockTask.handle(new TaskEventTASucceeded(secondMockTaskAttempt.getID()));
    mockTask.handle(new TaskEventTASucceeded(firstMockTaskAttempt.getID()));
    assertTrue("Attempts should have succeeded!", firstMockTaskAttempt.getInternalState() == TaskAttemptStateInternal.SUCCEEDED && secondMockTaskAttempt.getInternalState() == TaskAttemptStateInternal.SUCCEEDED);
    assertEquals("Task should have no uncompleted attempts!", 0, mockTask.getUncompletedAttemptsCount());
    assertTrue("Task should have Succeeded!", mockTask.getState() == TaskState.SUCCEEDED);
    // Failing the attempt that finished after the task was marked succeeded, should not schedule another attempt
    failAttempt(firstMockTaskAttempt, 0, 0);
    assertTaskSucceededState();
    // Failing the attempt that allowed the task to succeed, should schedule another attempt
    failAttempt(secondMockTaskAttempt, 1, 1);
    assertTaskScheduledState();
}