Explain the actions followed by a Jobtracker in Hadoop.

1.	Explain the actions followed by a Jobtracker in Hadoop.
Answer» The client application is USED to submit the jobs to the Jobtracker. The JobTracker associates with the NameNode to determine the data location. With the help of AVAILABLE slots and the near the data, JobTracker LOCATES TASKTRACKER nodes. It submits the work on the selected TaskTracker Nodes. When a TASK fails, JobTracker notifies and decides the further steps. JobTracker monitors the TaskTracker nodes.

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