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); } } } }