/** Get the events list at the tasktracker */
public MapTaskCompletionEventsUpdate getMapTaskCompletionEventsUpdates(
int index, JobID jobId, int max) throws IOException {
String jtId = jobTracker.getJobTracker().getTrackerIdentifier();
TaskAttemptID dummy = new TaskAttemptID(jtId, jobId.getId(), false, 0, 0);
return taskTrackerList
.get(index)
.getTaskTracker()
.getMapCompletionEvents(jobId, 0, max, dummy, null);
}
/** Kill the jobtracker. */
public void stopJobTracker() {
// jobTracker.exit(-1);
jobTracker.shutdown();
jobTrackerThread.interrupt();
try {
jobTrackerThread.join();
} catch (InterruptedException ex) {
LOG.error("Problem waiting for job tracker to finish", ex);
}
}
void startJobTracker(boolean wait) {
// Create the JobTracker
jobTracker = new JobTrackerRunner(conf);
jobTrackerThread = new Thread(jobTracker);
jobTrackerThread.start();
if (!wait) {
return;
}
while (jobTracker.isActive() && !jobTracker.isUp()) {
try { // let daemons get started
Thread.sleep(1000);
} catch (InterruptedException e) {
}
}
// is the jobtracker has started then wait for it to init
ClusterStatus status = null;
if (jobTracker.isUp()) {
status = jobTracker.getJobTracker().getClusterStatus(false);
while (jobTracker.isActive()
&& status.getJobTrackerState() == JobTracker.State.INITIALIZING) {
try {
LOG.info("JobTracker still initializing. Waiting.");
Thread.sleep(1000);
} catch (InterruptedException e) {
}
status = jobTracker.getJobTracker().getClusterStatus(false);
}
}
if (!jobTracker.isActive()) {
// return if jobtracker has crashed
return;
}
// Set the configuration for the task-trackers
this.jobTrackerPort = jobTracker.getJobTrackerPort();
this.jobTrackerInfoPort = jobTracker.getJobTrackerInfoPort();
}
public int getFaultCount(String hostName) {
return jobTracker.getJobTracker().getFaultCount(hostName);
}
/** Get num events recovered */
public int getNumEventsRecovered() {
return jobTracker.getJobTracker().recoveryManager.totalEventsRecovered();
}
/** Init the job */
public void initializeJob(JobID jobId) throws IOException {
JobInProgress job = jobTracker.getJobTracker().getJob(jobId);
jobTracker.getJobTracker().initJob(job);
}
/** Get the job finish time */
public long getJobFinishTime(JobID jobId) {
return jobTracker.getJobTracker().getJob(jobId).getFinishTime();
}
/** Get the job's priority */
public JobPriority getJobPriority(JobID jobId) {
return jobTracker.getJobTracker().getJob(jobId).getPriority();
}
/**
* Change the job's priority
*
* @throws IOException
* @throws AccessControlException
*/
public void setJobPriority(JobID jobId, JobPriority priority)
throws AccessControlException, IOException {
jobTracker.getJobTracker().setJobPriority(jobId, priority);
}
/** Get the task completion events */
public TaskCompletionEvent[] getTaskCompletionEvents(JobID id, int from, int max)
throws IOException {
return jobTracker.getJobTracker().getTaskCompletionEvents(id, from, max);
}