Use the following instructions to validate that both the JobTracker service and the monitoring agent automatically get started on the reboot of the JobTracker machine:
Reboot the JobTracker machine.
Verify that the JobTracker service is up and running.
On the JobTracker machine, list all the Java processes by invoking jps and look for JobTracker process:
$JDK_HOME/bin/jps
If the service is up and running, you should see a message similar to the one shown in the following example:
1628 JobTracker
Verify that the JobTracker monitoring agent is up and running.
On the JobTracker machine, list all the Java processes by invoking jps and look for JobTracker process:
$JDK_HOME/bin/jps
If the service is up and running, you should see a message similar to the one shown in the following example:
1814 JobTrackerMonitor
