user.doAs(new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws Exception {
SleepJob sleepJob = new SleepJob();
sleepJob.setConf(mrCluster.getConfig());
Job job = sleepJob.createJob(3, 0, 10000, 1, 0, 0);
// //Job with reduces
// Job job = sleepJob.createJob(3, 2, 10000, 1, 10000, 1);
job.addFileToClassPath(APP_JAR); // The AppMaster jar itself.
job.submit();
String trackingUrl = job.getTrackingURL();