All keys used for intermediate output from mappers must:

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answerhappygod
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All keys used for intermediate output from mappers must:

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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.
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