Question

How are the output records of the Map function partitioned in MapReduce?

a.

Using a random partitioning technique

b.

Using a hash function

c.

Using a reduce function

d.

Using a split function

Posted under Big Data Computing

Answer: (b).Using a hash function Explanation:The output records of the Map function are partitioned using a hash function in MapReduce.

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Q. How are the output records of the Map function partitioned in MapReduce?

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