Package org.apache.hadoop.mapreduce.v2.app.job.event

Examples of org.apache.hadoop.mapreduce.v2.app.job.event.TaskAttemptDiagnosticsUpdateEvent

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  private static class DiagnosticInformationUpdater
        implements SingleArcTransition<TaskAttemptImpl, TaskAttemptEvent> {
    @Override
    public void transition(TaskAttemptImpl taskAttempt,
        TaskAttemptEvent event) {
      TaskAttemptDiagnosticsUpdateEvent diagEvent =
          (TaskAttemptDiagnosticsUpdateEvent) event;
      LOG.info("Diagnostics report from " + taskAttempt.attemptId + ": "
          + diagEvent.getDiagnosticInfo());
      taskAttempt.addDiagnosticInfo(diagEvent.getDiagnosticInfo());
    }
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    }

    @Override
    protected void attemptLaunched(TaskAttemptId attemptID) {
      getContext().getEventHandler().handle(
          new TaskAttemptDiagnosticsUpdateEvent(attemptID,
              "Test Diagnostic Event"));
      getContext().getEventHandler().handle(
          new TaskAttemptEvent(attemptID, TaskAttemptEventType.TA_FAILMSG));
    }
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  private static class DiagnosticInformationUpdater
        implements SingleArcTransition<TaskAttemptImpl, TaskAttemptEvent> {
    @Override
    public void transition(TaskAttemptImpl taskAttempt,
        TaskAttemptEvent event) {
      TaskAttemptDiagnosticsUpdateEvent diagEvent =
          (TaskAttemptDiagnosticsUpdateEvent) event;
      LOG.info("Diagnostics report from " + taskAttempt.attemptId + ": "
          + diagEvent.getDiagnosticInfo());
      taskAttempt.addDiagnosticInfo(diagEvent.getDiagnosticInfo());
    }
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    }

    @Override
    protected void attemptLaunched(TaskAttemptId attemptID) {
      getContext().getEventHandler().handle(
          new TaskAttemptDiagnosticsUpdateEvent(attemptID,
              "Test Diagnostic Event"));
      getContext().getEventHandler().handle(
          new TaskAttemptEvent(attemptID, TaskAttemptEventType.TA_FAILMSG));
    }
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    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);
  }
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    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");
    taImpl.handle(new TaskAttemptDiagnosticsUpdateEvent(attemptId,
        "Task got killed"));
    assertFalse(
        "InternalError occurred trying to handle TA_DIAGNOSTICS_UPDATE on assigned task",
        eventHandler.internalError);
  }
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    // This call exists as a hadoop mapreduce legacy wherein all changes in
    // counters/progress/phase/output-size are reported through statusUpdate()
    // call but not diagnosticInformation.
    context.getEventHandler().handle(
        new TaskAttemptDiagnosticsUpdateEvent(attemptID, diagnosticInfo));
  }
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  private static class DiagnosticInformationUpdater
        implements SingleArcTransition<TaskAttemptImpl, TaskAttemptEvent> {
    @Override
    public void transition(TaskAttemptImpl taskAttempt,
        TaskAttemptEvent event) {
      TaskAttemptDiagnosticsUpdateEvent diagEvent =
          (TaskAttemptDiagnosticsUpdateEvent) event;
      LOG.info("Diagnostics report from " + taskAttempt.attemptId + ": "
          + diagEvent.getDiagnosticInfo());
      taskAttempt.addDiagnosticInfo(diagEvent.getDiagnosticInfo());
    }
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              (currentTime > (entry.getValue().getLastPing() + PING_TIMEOUT));
             
          if(taskTimedOut || pingTimedOut) {
            // task is lost, remove from the list and raise lost event
            iterator.remove();
            eventHandler.handle(new TaskAttemptDiagnosticsUpdateEvent(entry
                .getKey(), "AttemptID:" + entry.getKey().toString()
                + " Timed out after " + taskTimeOut / 1000 + " secs"));
            eventHandler.handle(new TaskAttemptEvent(entry.getKey(),
                TaskAttemptEventType.TA_TIMED_OUT));
          }
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        // send the container completed event to Task attempt
        eventHandler.handle(new TaskAttemptEvent(attemptID,
            TaskAttemptEventType.TA_CONTAINER_COMPLETED));
        // Send the diagnostics
        String diagnostics = cont.getDiagnostics();
        eventHandler.handle(new TaskAttemptDiagnosticsUpdateEvent(attemptID,
            diagnostics));
      }
    }
    return newContainers;
  }
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