Java Code Examples for org.apache.hadoop.mapreduce.jobhistory.Event

The following examples show how to use org.apache.hadoop.mapreduce.jobhistory.Event. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: eagle   Source File: JHFMRVer2Parser.java    License: Apache License 2.0 5 votes vote down vote up
@SuppressWarnings( {"rawtypes", "deprecation"})
@Override
public void parse(InputStream is) throws Exception {
    int eventCtr = 0;
    try {
        final long start = System.currentTimeMillis();
        DataInputStream in = new DataInputStream(is);
        String version = in.readLine();
        if (!"Avro-Json".equals(version)) {
            throw new IOException("Incompatible event log version: " + version);
        }

        Schema schema = Schema.parse(in.readLine());
        SpecificDatumReader datumReader = new SpecificDatumReader(schema);
        JsonDecoder decoder = DecoderFactory.get().jsonDecoder(schema, in);

        Event wrapper;
        while ((wrapper = getNextEvent(datumReader, decoder)) != null) {
            ++eventCtr;
            reader.handleEvent(wrapper);
        }
        reader.parseConfiguration();
        // don't need put to finally as it's a kind of flushing data
        reader.close();
        logger.info("reader used " + (System.currentTimeMillis() - start) + "ms");
    } catch (Exception ioe) {
        logger.error("Caught exception parsing history file after " + eventCtr + " events", ioe);
        throw ioe;
    } finally {
        if (is != null) {
            is.close();
        }
    }
}
 
Example 2
Source Project: hadoop   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRecoverySuccessAttempt() {
  LOG.info("--- START: testRecoverySuccessAttempt ---");

  long clusterTimestamp = System.currentTimeMillis();
  EventHandler mockEventHandler = mock(EventHandler.class);
  MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
      mockEventHandler);

  TaskId taskId = recoverMapTask.getID();
  JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);
  TaskID taskID = new TaskID(jobID,
      org.apache.hadoop.mapreduce.TaskType.MAP, taskId.getId());

  //Mock up the TaskAttempts
  Map<TaskAttemptID, TaskAttemptInfo> mockTaskAttempts =
      new HashMap<TaskAttemptID, TaskAttemptInfo>();

  TaskAttemptID taId1 = new TaskAttemptID(taskID, 2);
  TaskAttemptInfo mockTAinfo1 = getMockTaskAttemptInfo(taId1,
      TaskAttemptState.SUCCEEDED);
  mockTaskAttempts.put(taId1, mockTAinfo1);

  TaskAttemptID taId2 = new TaskAttemptID(taskID, 1);
  TaskAttemptInfo mockTAinfo2 = getMockTaskAttemptInfo(taId2,
      TaskAttemptState.FAILED);
  mockTaskAttempts.put(taId2, mockTAinfo2);

  OutputCommitter mockCommitter = mock (OutputCommitter.class);
  TaskInfo mockTaskInfo = mock(TaskInfo.class);
  when(mockTaskInfo.getTaskStatus()).thenReturn("SUCCEEDED");
  when(mockTaskInfo.getTaskId()).thenReturn(taskID);
  when(mockTaskInfo.getAllTaskAttempts()).thenReturn(mockTaskAttempts);

  recoverMapTask.handle(
      new TaskRecoverEvent(taskId, mockTaskInfo,mockCommitter, true));

  ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
  verify(mockEventHandler,atLeast(1)).handle(
      (org.apache.hadoop.yarn.event.Event) arg.capture());

  Map<TaskAttemptID, TaskAttemptState> finalAttemptStates =
      new HashMap<TaskAttemptID, TaskAttemptState>();
  finalAttemptStates.put(taId1, TaskAttemptState.SUCCEEDED);
  finalAttemptStates.put(taId2, TaskAttemptState.FAILED);

  List<EventType> jobHistoryEvents = new ArrayList<EventType>();
  jobHistoryEvents.add(EventType.TASK_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FINISHED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FAILED);
  jobHistoryEvents.add(EventType.TASK_FINISHED);
  recoveryChecker(recoverMapTask, TaskState.SUCCEEDED, finalAttemptStates,
      arg, jobHistoryEvents, 2L, 1L);
}
 
Example 3
Source Project: hadoop   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRecoveryAllFailAttempts() {
  LOG.info("--- START: testRecoveryAllFailAttempts ---");

  long clusterTimestamp = System.currentTimeMillis();
  EventHandler mockEventHandler = mock(EventHandler.class);
  MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
      mockEventHandler);

  TaskId taskId = recoverMapTask.getID();
  JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);
  TaskID taskID = new TaskID(jobID,
      org.apache.hadoop.mapreduce.TaskType.MAP, taskId.getId());

  //Mock up the TaskAttempts
  Map<TaskAttemptID, TaskAttemptInfo> mockTaskAttempts =
      new HashMap<TaskAttemptID, TaskAttemptInfo>();

  TaskAttemptID taId1 = new TaskAttemptID(taskID, 2);
  TaskAttemptInfo mockTAinfo1 = getMockTaskAttemptInfo(taId1,
      TaskAttemptState.FAILED);
  mockTaskAttempts.put(taId1, mockTAinfo1);

  TaskAttemptID taId2 = new TaskAttemptID(taskID, 1);
  TaskAttemptInfo mockTAinfo2 = getMockTaskAttemptInfo(taId2,
      TaskAttemptState.FAILED);
  mockTaskAttempts.put(taId2, mockTAinfo2);

  OutputCommitter mockCommitter = mock (OutputCommitter.class);

  TaskInfo mockTaskInfo = mock(TaskInfo.class);
  when(mockTaskInfo.getTaskStatus()).thenReturn("FAILED");
  when(mockTaskInfo.getTaskId()).thenReturn(taskID);
  when(mockTaskInfo.getAllTaskAttempts()).thenReturn(mockTaskAttempts);

  recoverMapTask.handle(
      new TaskRecoverEvent(taskId, mockTaskInfo, mockCommitter, true));

  ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
  verify(mockEventHandler,atLeast(1)).handle(
      (org.apache.hadoop.yarn.event.Event) arg.capture());

  Map<TaskAttemptID, TaskAttemptState> finalAttemptStates =
      new HashMap<TaskAttemptID, TaskAttemptState>();
  finalAttemptStates.put(taId1, TaskAttemptState.FAILED);
  finalAttemptStates.put(taId2, TaskAttemptState.FAILED);

  List<EventType> jobHistoryEvents = new ArrayList<EventType>();
  jobHistoryEvents.add(EventType.TASK_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FAILED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FAILED);
  jobHistoryEvents.add(EventType.TASK_FAILED);
  recoveryChecker(recoverMapTask, TaskState.FAILED, finalAttemptStates,
      arg, jobHistoryEvents, 2L, 2L);
}
 
Example 4
Source Project: hadoop   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRecoveryTaskSuccessAllAttemptsFail() {
  LOG.info("--- START:  testRecoveryTaskSuccessAllAttemptsFail ---");

  long clusterTimestamp = System.currentTimeMillis();
  EventHandler mockEventHandler = mock(EventHandler.class);
  MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
      mockEventHandler);

  TaskId taskId = recoverMapTask.getID();
  JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);
  TaskID taskID = new TaskID(jobID,
      org.apache.hadoop.mapreduce.TaskType.MAP, taskId.getId());

  //Mock up the TaskAttempts
  Map<TaskAttemptID, TaskAttemptInfo> mockTaskAttempts =
      new HashMap<TaskAttemptID, TaskAttemptInfo>();

  TaskAttemptID taId1 = new TaskAttemptID(taskID, 2);
  TaskAttemptInfo mockTAinfo1 = getMockTaskAttemptInfo(taId1,
      TaskAttemptState.FAILED);
  mockTaskAttempts.put(taId1, mockTAinfo1);

  TaskAttemptID taId2 = new TaskAttemptID(taskID, 1);
  TaskAttemptInfo mockTAinfo2 = getMockTaskAttemptInfo(taId2,
      TaskAttemptState.FAILED);
  mockTaskAttempts.put(taId2, mockTAinfo2);

  OutputCommitter mockCommitter = mock (OutputCommitter.class);
  TaskInfo mockTaskInfo = mock(TaskInfo.class);
  when(mockTaskInfo.getTaskStatus()).thenReturn("SUCCEEDED");
  when(mockTaskInfo.getTaskId()).thenReturn(taskID);
  when(mockTaskInfo.getAllTaskAttempts()).thenReturn(mockTaskAttempts);

  recoverMapTask.handle(
      new TaskRecoverEvent(taskId, mockTaskInfo, mockCommitter, true));

  ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
  verify(mockEventHandler,atLeast(1)).handle(
      (org.apache.hadoop.yarn.event.Event) arg.capture());

  Map<TaskAttemptID, TaskAttemptState> finalAttemptStates =
      new HashMap<TaskAttemptID, TaskAttemptState>();
  finalAttemptStates.put(taId1, TaskAttemptState.FAILED);
  finalAttemptStates.put(taId2, TaskAttemptState.FAILED);
  // check for one new attempt launched since successful attempt not found
  TaskAttemptID taId3 = new TaskAttemptID(taskID, 2000);
  finalAttemptStates.put(taId3, TaskAttemptState.NEW);

  List<EventType> jobHistoryEvents = new ArrayList<EventType>();
  jobHistoryEvents.add(EventType.TASK_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FAILED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FAILED);
  recoveryChecker(recoverMapTask, TaskState.RUNNING, finalAttemptStates,
      arg, jobHistoryEvents, 2L, 2L);
}
 
Example 5
Source Project: hadoop   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRecoveryTaskSuccessAllAttemptsSucceed() {
  LOG.info("--- START:  testRecoveryTaskSuccessAllAttemptsFail ---");

  long clusterTimestamp = System.currentTimeMillis();
  EventHandler mockEventHandler = mock(EventHandler.class);
  MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
      mockEventHandler);

  TaskId taskId = recoverMapTask.getID();
  JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);
  TaskID taskID = new TaskID(jobID,
      org.apache.hadoop.mapreduce.TaskType.MAP, taskId.getId());

  //Mock up the TaskAttempts
  Map<TaskAttemptID, TaskAttemptInfo> mockTaskAttempts =
      new HashMap<TaskAttemptID, TaskAttemptInfo>();

  TaskAttemptID taId1 = new TaskAttemptID(taskID, 2);
  TaskAttemptInfo mockTAinfo1 = getMockTaskAttemptInfo(taId1,
      TaskAttemptState.SUCCEEDED);
  mockTaskAttempts.put(taId1, mockTAinfo1);

  TaskAttemptID taId2 = new TaskAttemptID(taskID, 1);
  TaskAttemptInfo mockTAinfo2 = getMockTaskAttemptInfo(taId2,
      TaskAttemptState.SUCCEEDED);
  mockTaskAttempts.put(taId2, mockTAinfo2);

  OutputCommitter mockCommitter = mock (OutputCommitter.class);
  TaskInfo mockTaskInfo = mock(TaskInfo.class);
  when(mockTaskInfo.getTaskStatus()).thenReturn("SUCCEEDED");
  when(mockTaskInfo.getTaskId()).thenReturn(taskID);
  when(mockTaskInfo.getAllTaskAttempts()).thenReturn(mockTaskAttempts);

  recoverMapTask.handle(
      new TaskRecoverEvent(taskId, mockTaskInfo, mockCommitter, true));

  ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
  verify(mockEventHandler,atLeast(1)).handle(
      (org.apache.hadoop.yarn.event.Event) arg.capture());

  Map<TaskAttemptID, TaskAttemptState> finalAttemptStates =
      new HashMap<TaskAttemptID, TaskAttemptState>();
  finalAttemptStates.put(taId1, TaskAttemptState.SUCCEEDED);
  finalAttemptStates.put(taId2, TaskAttemptState.SUCCEEDED);

  List<EventType> jobHistoryEvents = new ArrayList<EventType>();
  jobHistoryEvents.add(EventType.TASK_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FINISHED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FINISHED);
  jobHistoryEvents.add(EventType.TASK_FINISHED);
  recoveryChecker(recoverMapTask, TaskState.SUCCEEDED, finalAttemptStates,
      arg, jobHistoryEvents, 2L, 0L);
}
 
Example 6
Source Project: hadoop   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRecoveryAllAttemptsKilled() {
  LOG.info("--- START:  testRecoveryAllAttemptsKilled ---");

  long clusterTimestamp = System.currentTimeMillis();
  EventHandler mockEventHandler = mock(EventHandler.class);
  MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
      mockEventHandler);

  TaskId taskId = recoverMapTask.getID();
  JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);
  TaskID taskID = new TaskID(jobID,
      org.apache.hadoop.mapreduce.TaskType.MAP, taskId.getId());

  //Mock up the TaskAttempts
  Map<TaskAttemptID, TaskAttemptInfo> mockTaskAttempts =
      new HashMap<TaskAttemptID, TaskAttemptInfo>();
  TaskAttemptID taId1 = new TaskAttemptID(taskID, 2);
  TaskAttemptInfo mockTAinfo1 = getMockTaskAttemptInfo(taId1,
      TaskAttemptState.KILLED);
  mockTaskAttempts.put(taId1, mockTAinfo1);

  TaskAttemptID taId2 = new TaskAttemptID(taskID, 1);
  TaskAttemptInfo mockTAinfo2 = getMockTaskAttemptInfo(taId2,
      TaskAttemptState.KILLED);
  mockTaskAttempts.put(taId2, mockTAinfo2);

  OutputCommitter mockCommitter = mock (OutputCommitter.class);
  TaskInfo mockTaskInfo = mock(TaskInfo.class);
  when(mockTaskInfo.getTaskStatus()).thenReturn("KILLED");
  when(mockTaskInfo.getTaskId()).thenReturn(taskID);
  when(mockTaskInfo.getAllTaskAttempts()).thenReturn(mockTaskAttempts);

  recoverMapTask.handle(
      new TaskRecoverEvent(taskId, mockTaskInfo, mockCommitter, true));

  ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
  verify(mockEventHandler,atLeast(1)).handle(
      (org.apache.hadoop.yarn.event.Event) arg.capture());

  Map<TaskAttemptID, TaskAttemptState> finalAttemptStates =
      new HashMap<TaskAttemptID, TaskAttemptState>();
  finalAttemptStates.put(taId1, TaskAttemptState.KILLED);
  finalAttemptStates.put(taId2, TaskAttemptState.KILLED);

  List<EventType> jobHistoryEvents = new ArrayList<EventType>();
  jobHistoryEvents.add(EventType.TASK_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_KILLED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_KILLED);
  jobHistoryEvents.add(EventType.TASK_FAILED);
  recoveryChecker(recoverMapTask, TaskState.KILLED, finalAttemptStates,
      arg, jobHistoryEvents, 2L, 0L);
}
 
Example 7
Source Project: hadoop   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
private void recoveryChecker(MapTaskImpl checkTask, TaskState finalState,
    Map<TaskAttemptID, TaskAttemptState> finalAttemptStates,
    ArgumentCaptor<Event> arg, List<EventType> expectedJobHistoryEvents,
    long expectedMapLaunches, long expectedFailedMaps) {

  assertEquals("Final State of Task", finalState, checkTask.getState());

  Map<TaskAttemptId, TaskAttempt> recoveredAttempts =
      checkTask.getAttempts();
  assertEquals("Expected Number of Task Attempts",
      finalAttemptStates.size(), recoveredAttempts.size());
  for (TaskAttemptID taID : finalAttemptStates.keySet()) {
    assertEquals("Expected Task Attempt State",
        finalAttemptStates.get(taID),
        recoveredAttempts.get(TypeConverter.toYarn(taID)).getState());
  }

  Iterator<Event> ie = arg.getAllValues().iterator();
  int eventNum = 0;
  long totalLaunchedMaps = 0;
  long totalFailedMaps = 0;
  boolean jobTaskEventReceived = false;

  while (ie.hasNext()) {
    Object current = ie.next();
    ++eventNum;
    LOG.info(eventNum + " " + current.getClass().getName());
    if (current instanceof JobHistoryEvent) {
      JobHistoryEvent jhe = (JobHistoryEvent) current;
      LOG.info(expectedJobHistoryEvents.get(0).toString() + " " +
          jhe.getHistoryEvent().getEventType().toString() + " " +
          jhe.getJobID());
      assertEquals(expectedJobHistoryEvents.get(0),
          jhe.getHistoryEvent().getEventType());
      expectedJobHistoryEvents.remove(0);
    }  else if (current instanceof JobCounterUpdateEvent) {
      JobCounterUpdateEvent jcue = (JobCounterUpdateEvent) current;

      LOG.info("JobCounterUpdateEvent "
          + jcue.getCounterUpdates().get(0).getCounterKey()
          + " " + jcue.getCounterUpdates().get(0).getIncrementValue());
      if (jcue.getCounterUpdates().get(0).getCounterKey() ==
          JobCounter.NUM_FAILED_MAPS) {
        totalFailedMaps += jcue.getCounterUpdates().get(0)
            .getIncrementValue();
      } else if (jcue.getCounterUpdates().get(0).getCounterKey() ==
          JobCounter.TOTAL_LAUNCHED_MAPS) {
        totalLaunchedMaps += jcue.getCounterUpdates().get(0)
            .getIncrementValue();
      }
    } else if (current instanceof JobTaskEvent) {
      JobTaskEvent jte = (JobTaskEvent) current;
      assertEquals(jte.getState(), finalState);
      jobTaskEventReceived = true;
    }
  }
  assertTrue(jobTaskEventReceived || (finalState == TaskState.RUNNING));
  assertEquals("Did not process all expected JobHistoryEvents",
      0, expectedJobHistoryEvents.size());
  assertEquals("Expected Map Launches",
      expectedMapLaunches, totalLaunchedMaps);
  assertEquals("Expected Failed Maps",
      expectedFailedMaps, totalFailedMaps);
}
 
Example 8
Source Project: big-c   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRecoverySuccessAttempt() {
  LOG.info("--- START: testRecoverySuccessAttempt ---");

  long clusterTimestamp = System.currentTimeMillis();
  EventHandler mockEventHandler = mock(EventHandler.class);
  MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
      mockEventHandler);

  TaskId taskId = recoverMapTask.getID();
  JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);
  TaskID taskID = new TaskID(jobID,
      org.apache.hadoop.mapreduce.TaskType.MAP, taskId.getId());

  //Mock up the TaskAttempts
  Map<TaskAttemptID, TaskAttemptInfo> mockTaskAttempts =
      new HashMap<TaskAttemptID, TaskAttemptInfo>();

  TaskAttemptID taId1 = new TaskAttemptID(taskID, 2);
  TaskAttemptInfo mockTAinfo1 = getMockTaskAttemptInfo(taId1,
      TaskAttemptState.SUCCEEDED);
  mockTaskAttempts.put(taId1, mockTAinfo1);

  TaskAttemptID taId2 = new TaskAttemptID(taskID, 1);
  TaskAttemptInfo mockTAinfo2 = getMockTaskAttemptInfo(taId2,
      TaskAttemptState.FAILED);
  mockTaskAttempts.put(taId2, mockTAinfo2);

  OutputCommitter mockCommitter = mock (OutputCommitter.class);
  TaskInfo mockTaskInfo = mock(TaskInfo.class);
  when(mockTaskInfo.getTaskStatus()).thenReturn("SUCCEEDED");
  when(mockTaskInfo.getTaskId()).thenReturn(taskID);
  when(mockTaskInfo.getAllTaskAttempts()).thenReturn(mockTaskAttempts);

  recoverMapTask.handle(
      new TaskRecoverEvent(taskId, mockTaskInfo,mockCommitter, true));

  ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
  verify(mockEventHandler,atLeast(1)).handle(
      (org.apache.hadoop.yarn.event.Event) arg.capture());

  Map<TaskAttemptID, TaskAttemptState> finalAttemptStates =
      new HashMap<TaskAttemptID, TaskAttemptState>();
  finalAttemptStates.put(taId1, TaskAttemptState.SUCCEEDED);
  finalAttemptStates.put(taId2, TaskAttemptState.FAILED);

  List<EventType> jobHistoryEvents = new ArrayList<EventType>();
  jobHistoryEvents.add(EventType.TASK_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FINISHED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FAILED);
  jobHistoryEvents.add(EventType.TASK_FINISHED);
  recoveryChecker(recoverMapTask, TaskState.SUCCEEDED, finalAttemptStates,
      arg, jobHistoryEvents, 2L, 1L);
}
 
Example 9
Source Project: big-c   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRecoveryAllFailAttempts() {
  LOG.info("--- START: testRecoveryAllFailAttempts ---");

  long clusterTimestamp = System.currentTimeMillis();
  EventHandler mockEventHandler = mock(EventHandler.class);
  MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
      mockEventHandler);

  TaskId taskId = recoverMapTask.getID();
  JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);
  TaskID taskID = new TaskID(jobID,
      org.apache.hadoop.mapreduce.TaskType.MAP, taskId.getId());

  //Mock up the TaskAttempts
  Map<TaskAttemptID, TaskAttemptInfo> mockTaskAttempts =
      new HashMap<TaskAttemptID, TaskAttemptInfo>();

  TaskAttemptID taId1 = new TaskAttemptID(taskID, 2);
  TaskAttemptInfo mockTAinfo1 = getMockTaskAttemptInfo(taId1,
      TaskAttemptState.FAILED);
  mockTaskAttempts.put(taId1, mockTAinfo1);

  TaskAttemptID taId2 = new TaskAttemptID(taskID, 1);
  TaskAttemptInfo mockTAinfo2 = getMockTaskAttemptInfo(taId2,
      TaskAttemptState.FAILED);
  mockTaskAttempts.put(taId2, mockTAinfo2);

  OutputCommitter mockCommitter = mock (OutputCommitter.class);

  TaskInfo mockTaskInfo = mock(TaskInfo.class);
  when(mockTaskInfo.getTaskStatus()).thenReturn("FAILED");
  when(mockTaskInfo.getTaskId()).thenReturn(taskID);
  when(mockTaskInfo.getAllTaskAttempts()).thenReturn(mockTaskAttempts);

  recoverMapTask.handle(
      new TaskRecoverEvent(taskId, mockTaskInfo, mockCommitter, true));

  ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
  verify(mockEventHandler,atLeast(1)).handle(
      (org.apache.hadoop.yarn.event.Event) arg.capture());

  Map<TaskAttemptID, TaskAttemptState> finalAttemptStates =
      new HashMap<TaskAttemptID, TaskAttemptState>();
  finalAttemptStates.put(taId1, TaskAttemptState.FAILED);
  finalAttemptStates.put(taId2, TaskAttemptState.FAILED);

  List<EventType> jobHistoryEvents = new ArrayList<EventType>();
  jobHistoryEvents.add(EventType.TASK_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FAILED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FAILED);
  jobHistoryEvents.add(EventType.TASK_FAILED);
  recoveryChecker(recoverMapTask, TaskState.FAILED, finalAttemptStates,
      arg, jobHistoryEvents, 2L, 2L);
}
 
Example 10
Source Project: big-c   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRecoveryTaskSuccessAllAttemptsFail() {
  LOG.info("--- START:  testRecoveryTaskSuccessAllAttemptsFail ---");

  long clusterTimestamp = System.currentTimeMillis();
  EventHandler mockEventHandler = mock(EventHandler.class);
  MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
      mockEventHandler);

  TaskId taskId = recoverMapTask.getID();
  JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);
  TaskID taskID = new TaskID(jobID,
      org.apache.hadoop.mapreduce.TaskType.MAP, taskId.getId());

  //Mock up the TaskAttempts
  Map<TaskAttemptID, TaskAttemptInfo> mockTaskAttempts =
      new HashMap<TaskAttemptID, TaskAttemptInfo>();

  TaskAttemptID taId1 = new TaskAttemptID(taskID, 2);
  TaskAttemptInfo mockTAinfo1 = getMockTaskAttemptInfo(taId1,
      TaskAttemptState.FAILED);
  mockTaskAttempts.put(taId1, mockTAinfo1);

  TaskAttemptID taId2 = new TaskAttemptID(taskID, 1);
  TaskAttemptInfo mockTAinfo2 = getMockTaskAttemptInfo(taId2,
      TaskAttemptState.FAILED);
  mockTaskAttempts.put(taId2, mockTAinfo2);

  OutputCommitter mockCommitter = mock (OutputCommitter.class);
  TaskInfo mockTaskInfo = mock(TaskInfo.class);
  when(mockTaskInfo.getTaskStatus()).thenReturn("SUCCEEDED");
  when(mockTaskInfo.getTaskId()).thenReturn(taskID);
  when(mockTaskInfo.getAllTaskAttempts()).thenReturn(mockTaskAttempts);

  recoverMapTask.handle(
      new TaskRecoverEvent(taskId, mockTaskInfo, mockCommitter, true));

  ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
  verify(mockEventHandler,atLeast(1)).handle(
      (org.apache.hadoop.yarn.event.Event) arg.capture());

  Map<TaskAttemptID, TaskAttemptState> finalAttemptStates =
      new HashMap<TaskAttemptID, TaskAttemptState>();
  finalAttemptStates.put(taId1, TaskAttemptState.FAILED);
  finalAttemptStates.put(taId2, TaskAttemptState.FAILED);
  // check for one new attempt launched since successful attempt not found
  TaskAttemptID taId3 = new TaskAttemptID(taskID, 2000);
  finalAttemptStates.put(taId3, TaskAttemptState.NEW);

  List<EventType> jobHistoryEvents = new ArrayList<EventType>();
  jobHistoryEvents.add(EventType.TASK_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FAILED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FAILED);
  recoveryChecker(recoverMapTask, TaskState.RUNNING, finalAttemptStates,
      arg, jobHistoryEvents, 2L, 2L);
}
 
Example 11
Source Project: big-c   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRecoveryTaskSuccessAllAttemptsSucceed() {
  LOG.info("--- START:  testRecoveryTaskSuccessAllAttemptsFail ---");

  long clusterTimestamp = System.currentTimeMillis();
  EventHandler mockEventHandler = mock(EventHandler.class);
  MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
      mockEventHandler);

  TaskId taskId = recoverMapTask.getID();
  JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);
  TaskID taskID = new TaskID(jobID,
      org.apache.hadoop.mapreduce.TaskType.MAP, taskId.getId());

  //Mock up the TaskAttempts
  Map<TaskAttemptID, TaskAttemptInfo> mockTaskAttempts =
      new HashMap<TaskAttemptID, TaskAttemptInfo>();

  TaskAttemptID taId1 = new TaskAttemptID(taskID, 2);
  TaskAttemptInfo mockTAinfo1 = getMockTaskAttemptInfo(taId1,
      TaskAttemptState.SUCCEEDED);
  mockTaskAttempts.put(taId1, mockTAinfo1);

  TaskAttemptID taId2 = new TaskAttemptID(taskID, 1);
  TaskAttemptInfo mockTAinfo2 = getMockTaskAttemptInfo(taId2,
      TaskAttemptState.SUCCEEDED);
  mockTaskAttempts.put(taId2, mockTAinfo2);

  OutputCommitter mockCommitter = mock (OutputCommitter.class);
  TaskInfo mockTaskInfo = mock(TaskInfo.class);
  when(mockTaskInfo.getTaskStatus()).thenReturn("SUCCEEDED");
  when(mockTaskInfo.getTaskId()).thenReturn(taskID);
  when(mockTaskInfo.getAllTaskAttempts()).thenReturn(mockTaskAttempts);

  recoverMapTask.handle(
      new TaskRecoverEvent(taskId, mockTaskInfo, mockCommitter, true));

  ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
  verify(mockEventHandler,atLeast(1)).handle(
      (org.apache.hadoop.yarn.event.Event) arg.capture());

  Map<TaskAttemptID, TaskAttemptState> finalAttemptStates =
      new HashMap<TaskAttemptID, TaskAttemptState>();
  finalAttemptStates.put(taId1, TaskAttemptState.SUCCEEDED);
  finalAttemptStates.put(taId2, TaskAttemptState.SUCCEEDED);

  List<EventType> jobHistoryEvents = new ArrayList<EventType>();
  jobHistoryEvents.add(EventType.TASK_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FINISHED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_FINISHED);
  jobHistoryEvents.add(EventType.TASK_FINISHED);
  recoveryChecker(recoverMapTask, TaskState.SUCCEEDED, finalAttemptStates,
      arg, jobHistoryEvents, 2L, 0L);
}
 
Example 12
Source Project: big-c   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
@Test
public void testRecoveryAllAttemptsKilled() {
  LOG.info("--- START:  testRecoveryAllAttemptsKilled ---");

  long clusterTimestamp = System.currentTimeMillis();
  EventHandler mockEventHandler = mock(EventHandler.class);
  MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
      mockEventHandler);

  TaskId taskId = recoverMapTask.getID();
  JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);
  TaskID taskID = new TaskID(jobID,
      org.apache.hadoop.mapreduce.TaskType.MAP, taskId.getId());

  //Mock up the TaskAttempts
  Map<TaskAttemptID, TaskAttemptInfo> mockTaskAttempts =
      new HashMap<TaskAttemptID, TaskAttemptInfo>();
  TaskAttemptID taId1 = new TaskAttemptID(taskID, 2);
  TaskAttemptInfo mockTAinfo1 = getMockTaskAttemptInfo(taId1,
      TaskAttemptState.KILLED);
  mockTaskAttempts.put(taId1, mockTAinfo1);

  TaskAttemptID taId2 = new TaskAttemptID(taskID, 1);
  TaskAttemptInfo mockTAinfo2 = getMockTaskAttemptInfo(taId2,
      TaskAttemptState.KILLED);
  mockTaskAttempts.put(taId2, mockTAinfo2);

  OutputCommitter mockCommitter = mock (OutputCommitter.class);
  TaskInfo mockTaskInfo = mock(TaskInfo.class);
  when(mockTaskInfo.getTaskStatus()).thenReturn("KILLED");
  when(mockTaskInfo.getTaskId()).thenReturn(taskID);
  when(mockTaskInfo.getAllTaskAttempts()).thenReturn(mockTaskAttempts);

  recoverMapTask.handle(
      new TaskRecoverEvent(taskId, mockTaskInfo, mockCommitter, true));

  ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class);
  verify(mockEventHandler,atLeast(1)).handle(
      (org.apache.hadoop.yarn.event.Event) arg.capture());

  Map<TaskAttemptID, TaskAttemptState> finalAttemptStates =
      new HashMap<TaskAttemptID, TaskAttemptState>();
  finalAttemptStates.put(taId1, TaskAttemptState.KILLED);
  finalAttemptStates.put(taId2, TaskAttemptState.KILLED);

  List<EventType> jobHistoryEvents = new ArrayList<EventType>();
  jobHistoryEvents.add(EventType.TASK_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_KILLED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_STARTED);
  jobHistoryEvents.add(EventType.MAP_ATTEMPT_KILLED);
  jobHistoryEvents.add(EventType.TASK_FAILED);
  recoveryChecker(recoverMapTask, TaskState.KILLED, finalAttemptStates,
      arg, jobHistoryEvents, 2L, 0L);
}
 
Example 13
Source Project: big-c   Source File: TestRecovery.java    License: Apache License 2.0 4 votes vote down vote up
private void recoveryChecker(MapTaskImpl checkTask, TaskState finalState,
    Map<TaskAttemptID, TaskAttemptState> finalAttemptStates,
    ArgumentCaptor<Event> arg, List<EventType> expectedJobHistoryEvents,
    long expectedMapLaunches, long expectedFailedMaps) {

  assertEquals("Final State of Task", finalState, checkTask.getState());

  Map<TaskAttemptId, TaskAttempt> recoveredAttempts =
      checkTask.getAttempts();
  assertEquals("Expected Number of Task Attempts",
      finalAttemptStates.size(), recoveredAttempts.size());
  for (TaskAttemptID taID : finalAttemptStates.keySet()) {
    assertEquals("Expected Task Attempt State",
        finalAttemptStates.get(taID),
        recoveredAttempts.get(TypeConverter.toYarn(taID)).getState());
  }

  Iterator<Event> ie = arg.getAllValues().iterator();
  int eventNum = 0;
  long totalLaunchedMaps = 0;
  long totalFailedMaps = 0;
  boolean jobTaskEventReceived = false;

  while (ie.hasNext()) {
    Object current = ie.next();
    ++eventNum;
    LOG.info(eventNum + " " + current.getClass().getName());
    if (current instanceof JobHistoryEvent) {
      JobHistoryEvent jhe = (JobHistoryEvent) current;
      LOG.info(expectedJobHistoryEvents.get(0).toString() + " " +
          jhe.getHistoryEvent().getEventType().toString() + " " +
          jhe.getJobID());
      assertEquals(expectedJobHistoryEvents.get(0),
          jhe.getHistoryEvent().getEventType());
      expectedJobHistoryEvents.remove(0);
    }  else if (current instanceof JobCounterUpdateEvent) {
      JobCounterUpdateEvent jcue = (JobCounterUpdateEvent) current;

      LOG.info("JobCounterUpdateEvent "
          + jcue.getCounterUpdates().get(0).getCounterKey()
          + " " + jcue.getCounterUpdates().get(0).getIncrementValue());
      if (jcue.getCounterUpdates().get(0).getCounterKey() ==
          JobCounter.NUM_FAILED_MAPS) {
        totalFailedMaps += jcue.getCounterUpdates().get(0)
            .getIncrementValue();
      } else if (jcue.getCounterUpdates().get(0).getCounterKey() ==
          JobCounter.TOTAL_LAUNCHED_MAPS) {
        totalLaunchedMaps += jcue.getCounterUpdates().get(0)
            .getIncrementValue();
      }
    } else if (current instanceof JobTaskEvent) {
      JobTaskEvent jte = (JobTaskEvent) current;
      assertEquals(jte.getState(), finalState);
      jobTaskEventReceived = true;
    }
  }
  assertTrue(jobTaskEventReceived || (finalState == TaskState.RUNNING));
  assertEquals("Did not process all expected JobHistoryEvents",
      0, expectedJobHistoryEvents.size());
  assertEquals("Expected Map Launches",
      expectedMapLaunches, totalLaunchedMaps);
  assertEquals("Expected Failed Maps",
      expectedFailedMaps, totalFailedMaps);
}