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___________ generates keys of type LongWritable and values of type Text.

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in Hadoop by (122k points)
___________ generates keys of type LongWritable and values of type Text.

(a) TextOutputFormat

(b) TextInputFormat

(c) OutputInputFormat

(d) None of the mentioned

This question was addressed to me in an interview.

The origin of the question is Mapreduce Types topic in portion MapReduce Types and Formats of Hadoop

1 Answer

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Best answer
Correct answer is (b) TextInputFormat

For explanation I would say: If K2 and K3 are the same, you don’t need to call setMapOutputKeyClass().

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