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Question

What is the role of the master node in a Hadoop MapReduce cluster?

a.

Processing user's requests

b.

Executing map and reduce tasks

c.

Distributing and scheduling work on tasktrackers

d.

Reporting status updates to the jobtracker

Posted under Big Data Computing

Answer: (c).Distributing and scheduling work on tasktrackers Explanation:The master node in a Hadoop MapReduce cluster is responsible for distributing and scheduling work on tasktrackers.

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Q. What is the role of the master node in a Hadoop MapReduce cluster?
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