A

Admin • 833K Points
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Q. Which component helps reduce the time taken for shuffling in MapReduce?

  • (A) Combiner
  • (B) Reducer
  • (C) Mapper
  • (D) DataNode
  • Correct Answer - Option(A)
  • Views: 21
  • Filed under category Hadoop
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Explanation by: Admin

Combiner minimizes data that needs to be shuffled between mapper and reducer by doing local aggregation.

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