1.

_______________IS_PERCENTAGE_OF_MEMORY_RELATIVE_TO_THE_MAXIMUM_HEAP_SIZE_IN_WHICH_MAP_OUTPUTS_MAY_BE_RETAINED_DURING_THE_REDUCE.?$

A. mapred.job.shuffle.merge.percent
B. mapred.job.reduce.input.buffer.percen
C. mapred.inmem.merge.threshold
D. io.sort.factor
Answer» C. mapred.inmem.merge.threshold


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