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The ___________ executes the Mapper/ Reducer task as a child process in a separate jvm.

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The ___________ executes the Mapper/ Reducer task as a child process in a separate jvm.

(a) JobTracker

(b) TaskTracker

(c) TaskScheduler

(d) None of the mentioned

The question was asked during an online exam.

This interesting question is from MapReduce Features topic in section Developing a MapReduce Application of Hadoop

1 Answer

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Best answer
Right option is (a) JobTracker

Best explanation: The child-task inherits the environment of the parent TaskTracker.

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