Science, asked by Qwerty9296, 1 year ago

What is Job Tracker role in Hadoop?

Answers

Answered by AgarwalSahb

The JobTracker is the service within Hadoop that farms out MapReduce tasks to specific nodes in the cluster, ideally the nodes that have the data, or at least are in the same rack. Client applications submit jobs to the Job tracker. The JobTracker submits the work to the chosen TaskTracker nodes.

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