Submits the job.
Prints the map and reduce completion percentage and all job counters.
Prints the counter value.
Kills the job.
Removes a tasktracker job from the jobtracker's blacklist.
Admin only. Removes the TaskTracker at
Changes the priority of the job. Valid priority values are
Prints the events' details received by jobtracker for the given range.
Prints job details, failed and killed tip details.
Prints all active tasktrackers.
Prints the TaskTracker nodes that JobTracker blacklisted with the reason for blacklisting.
Lists the IDs of task attempts.
Kills the task. Killed tasks are not counted against failed attempts.
Fails the task. Failed tasks are counted against failed attempts.
Pauses all current tasktracker jobs and prevent additional jobs from being scheduled on the tasktracker.
Dumps label information of all active nodes.
Manually blacklisting a tasktracker pauses any running jobs and prevents additional jobs from being scheduled.
For a detailed discussion see TaskTracker Blacklisting.