Java Code Examples for org.apache.hadoop.mapreduce.JobCounter#NUM_FAILED_MAPS

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Example 1
Source File: TestRecovery.java    From hadoop with 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 2
Source File: TestRecovery.java    From big-c with 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);
}