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Neelam Mittal • 4.57K Points
Extraordinary 

Q. What is the function of the MapReduce "Combine" phase?

  • (A) Aggregate values on the reducer 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)
  • Views: 42
  • Filed under category Hadoop

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