Home » 48. Can a custom type for data Map-Reduce processing be implemented? » Can a custom type for data Map-Reduce processing be implemented?

Can a custom type for data Map-Reduce processing be implemented?

A. No, Hadoop does not provide techniques for custom datatypes.
B. Yes, but only for mappers.
C. Yes, custom data types can be implemented as long as they implement writable interface.
D. Yes, but only for reducers.

Answer: C
Posted by at 06:18
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1 comment:

  1. Unknown4 April 2018 at 04:04

    Excellent article. Very interesting to read. I really love to read such a nice article. Thanks! keep rocking.Hadoop Admin Online Course India

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