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

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

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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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  @SuppressWarnings("unchecked")
  void sendContainerLaunchFailedMsg(TaskAttemptId taskAttemptID,
      String message) {
    LOG.error(message);
    context.getEventHandler().handle(
        new TaskAttemptDiagnosticsUpdateEvent(taskAttemptID, message));
    context.getEventHandler().handle(
        new TaskAttemptEvent(taskAttemptID,
            TaskAttemptEventType.TA_CONTAINER_LAUNCH_FAILED));
  }
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    // send the diagnostic
    String diagnostic1 = "Diagnostic1";
    String diagnostic2 = "Diagnostic2";
    app.getContext().getEventHandler().handle(
        new TaskAttemptDiagnosticsUpdateEvent(attempt.getID(), diagnostic1));

    // send the status update
    TaskAttemptStatus taskAttemptStatus = new TaskAttemptStatus();
    taskAttemptStatus.id = attempt.getID();
    taskAttemptStatus.progress = 0.5f;
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            String message = "cleanup failed for container "
                + event.getContainerID() + " : "
                + StringUtils.stringifyException(t);
            context.getEventHandler()
                .handle(
                    new TaskAttemptDiagnosticsUpdateEvent(taskAttemptID,
                        message));
            LOG.warn(message);
          } finally {
            timer.cancel();
          }
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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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    // send the diagnostic
    String diagnostic1 = "Diagnostic1";
    String diagnostic2 = "Diagnostic2";
    app.getContext().getEventHandler().handle(
        new TaskAttemptDiagnosticsUpdateEvent(attempt.getID(), diagnostic1));

    // send the status update
    TaskAttemptStatus taskAttemptStatus = new TaskAttemptStatus();
    taskAttemptStatus.id = attempt.getID();
    taskAttemptStatus.progress = 0.5f;
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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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        // send the container completed event to Task attempt
        eventHandler.handle(new TaskAttemptEvent(attemptID,
            TaskAttemptEventType.TA_CONTAINER_COMPLETED));
        // Send the diagnostics
        String diagnostics = StringInterner.weakIntern(cont.getDiagnostics());
        eventHandler.handle(new TaskAttemptDiagnosticsUpdateEvent(attemptID,
            diagnostics));
      }     
    }
    return newContainers;
  }
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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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  @SuppressWarnings("unchecked")
  void sendContainerLaunchFailedMsg(TaskAttemptId taskAttemptID,
      String message) {
    LOG.error(message);
    context.getEventHandler().handle(
        new TaskAttemptDiagnosticsUpdateEvent(taskAttemptID, message));
    context.getEventHandler().handle(
        new TaskAttemptEvent(taskAttemptID,
            TaskAttemptEventType.TA_CONTAINER_LAUNCH_FAILED));
  }
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