All keys used for intermediate output from mappers must:

Posted by: Pdfprep Category: Apache Hadoop Developer Tags: , ,

All keys used for intermediate output from mappers must:
A . Implement a splittable compression algorithm.
B . Be a subclass of FileInputFormat.
C . Implement WritableComparable.
D . Override isSplitable.
E . Implement a comparator for speedy sorting.

Answer: C

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