S

Shiva Ram • 30.44K Points
Instructor I 

Q. In advanced MapReduce, what is the purpose of the Hadoop MapReduce "Map-side Aggregation" technique?

  • (A) Aggregate values on the mapper side
  • (B) Combine intermediate key-value pairs on the mapper side
  • (C) Sort and shuffle data
  • (D) Distribute data to reducers
  • Correct Answer - Option(B)
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  • Filed under category Hadoop

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