// Update job status
this.status = new JobStatus(this.status.getJobID(), this.profile.getUser(),
0L, 0L, JobStatus.RUNNING, counters);
// delete all nodes belonging to that job before start
MasterSyncClient syncClient = master.getSyncClient();
syncClient.registerJob(this.getJobID().toString());
tasksInited = true;
Class<?> taskAllocatorClass = conf.getClass(Constants.TASK_ALLOCATOR_CLASS,
BestEffortDataLocalTaskAllocator.class, TaskAllocationStrategy.class);