public void processEventForJobSummary(HistoryEvent event, JobSummary summary, JobId jobId) {
// context.getJob could be used for some of this info as well.
switch (event.getEventType()) {
case JOB_SUBMITTED:
JobSubmittedEvent jse = (JobSubmittedEvent) event;
summary.setUser(jse.getUserName());
summary.setQueue(jse.getJobQueueName());
summary.setJobSubmitTime(jse.getSubmitTime());
summary.setJobName(jse.getJobName());
break;
case NORMALIZED_RESOURCE:
NormalizedResourceEvent normalizedResourceEvent = (NormalizedResourceEvent) event;
if (normalizedResourceEvent.getTaskType() == TaskType.MAP) {
summary.setResourcesPerMap(normalizedResourceEvent.getMemory());
} else if (normalizedResourceEvent.getTaskType() == TaskType.REDUCE) {
summary.setResourcesPerReduce(normalizedResourceEvent.getMemory());
}
break;
case JOB_INITED:
JobInitedEvent jie = (JobInitedEvent) event;
summary.setJobLaunchTime(jie.getLaunchTime());
break;
case MAP_ATTEMPT_STARTED:
TaskAttemptStartedEvent mtase = (TaskAttemptStartedEvent) event;
if (summary.getFirstMapTaskLaunchTime() == 0)
summary.setFirstMapTaskLaunchTime(mtase.getStartTime());
break;
case REDUCE_ATTEMPT_STARTED:
TaskAttemptStartedEvent rtase = (TaskAttemptStartedEvent) event;
if (summary.getFirstReduceTaskLaunchTime() == 0)
summary.setFirstReduceTaskLaunchTime(rtase.getStartTime());
break;
case JOB_FINISHED:
JobFinishedEvent jfe = (JobFinishedEvent) event;
summary.setJobFinishTime(jfe.getFinishTime());
summary.setNumFinishedMaps(jfe.getFinishedMaps());
summary.setNumFailedMaps(jfe.getFailedMaps());
summary.setNumFinishedReduces(jfe.getFinishedReduces());
summary.setNumFailedReduces(jfe.getFailedReduces());
if (summary.getJobStatus() == null)
summary.setJobStatus(org.apache.hadoop.mapreduce.JobStatus.State.SUCCEEDED.toString());
// TODO JOB_FINISHED does not have state. Effectively job history does not
// have state about the finished job.
setSummarySlotSeconds(summary, jfe.getTotalCounters());
break;
case JOB_FAILED:
case JOB_KILLED:
JobUnsuccessfulCompletionEvent juce = (JobUnsuccessfulCompletionEvent) event;
summary.setJobStatus(juce.getStatus());
summary.setNumFinishedMaps(context.getJob(jobId).getTotalMaps());
summary.setNumFinishedReduces(context.getJob(jobId).getTotalReduces());
summary.setJobFinishTime(juce.getFinishTime());
setSummarySlotSeconds(summary, context.getJob(jobId).getAllCounters());
break;
}
}
protected void handleEvent(JobHistoryEvent event) {
synchronized (lock) {
// If this is JobSubmitted Event, setup the writer
if (event.getHistoryEvent().getEventType() == EventType.AM_STARTED) {
try {
setupEventWriter(event.getJobID());
} catch (IOException ioe) {
LOG.error("Error JobHistoryEventHandler in handleEvent: " + event, ioe);
throw new YarnException(ioe);
}
}
// For all events
// (1) Write it out
// (2) Process it for JobSummary
MetaInfo mi = fileMap.get(event.getJobID());
try {
HistoryEvent historyEvent = event.getHistoryEvent();
if (!(historyEvent instanceof NormalizedResourceEvent)) {
mi.writeEvent(historyEvent);
}
processEventForJobSummary(event.getHistoryEvent(), mi.getJobSummary(), event.getJobID());
if (LOG.isDebugEnabled()) {
LOG.debug("In HistoryEventHandler " + event.getHistoryEvent().getEventType());
}
} catch (IOException e) {
LOG.error("Error writing History Event: " + event.getHistoryEvent(), e);
throw new YarnException(e);
}
if (event.getHistoryEvent().getEventType() == EventType.JOB_SUBMITTED) {
JobSubmittedEvent jobSubmittedEvent = (JobSubmittedEvent) event.getHistoryEvent();
mi.getJobIndexInfo().setSubmitTime(jobSubmittedEvent.getSubmitTime());
mi.getJobIndexInfo().setQueueName(jobSubmittedEvent.getJobQueueName());
}
// If this is JobFinishedEvent, close the writer and setup the job-index
if (event.getHistoryEvent().getEventType() == EventType.JOB_FINISHED) {
try {
JobFinishedEvent jFinishedEvent = (JobFinishedEvent) event.getHistoryEvent();
mi.getJobIndexInfo().setFinishTime(jFinishedEvent.getFinishTime());
mi.getJobIndexInfo().setNumMaps(jFinishedEvent.getFinishedMaps());
mi.getJobIndexInfo().setNumReduces(jFinishedEvent.getFinishedReduces());
mi.getJobIndexInfo().setJobStatus(JobState.SUCCEEDED.toString());
closeEventWriter(event.getJobID());
} catch (IOException e) {
throw new YarnException(e);
}
}
if (event.getHistoryEvent().getEventType() == EventType.JOB_FAILED
|| event.getHistoryEvent().getEventType() == EventType.JOB_KILLED) {
try {
JobUnsuccessfulCompletionEvent jucEvent =
(JobUnsuccessfulCompletionEvent) event.getHistoryEvent();
mi.getJobIndexInfo().setFinishTime(jucEvent.getFinishTime());
mi.getJobIndexInfo().setNumMaps(jucEvent.getFinishedMaps());
mi.getJobIndexInfo().setNumReduces(jucEvent.getFinishedReduces());
mi.getJobIndexInfo().setJobStatus(jucEvent.getStatus());
closeEventWriter(event.getJobID());
} catch (IOException e) {
throw new YarnException(e);
}
}
}
}