Point out the wrong statement :

Discussion Forum : Developing A Mapreduce Application

Question - Point out the wrong statement :

Options:

A . The Mapper outputs are sorted and then partitioned per Reducer

B . The total number of partitions is the same as the number of reduce tasks for the job

C . The intermediate, sorted outputs are always stored in a simple (key-len, key, value-len, value) format

D . None of the mentioned

Answer: Option D

All intermediate values associated with a given output key are subsequently grouped by the framework, and passed to the Reducer(s) to determine the final output.

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