Question

How many output files are typically produced by each Map function instance in MapReduce?

a.

One output file per Map function instance

b.

R output files per Map function instance

c.

M output files per Map function instance

d.

M × R output files per Map function instance

Posted under Big Data Computing

Answer: (b).R output files per Map function instance Explanation:Each Map function instance typically produces R output files, one for each bucket.

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