πŸ“Š Hadoop
Q. Which component helps reduce the time taken for shuffling in MapReduce?
  • (A) Combiner
  • (B) Reducer
  • (C) Mapper
  • (D) DataNode
πŸ’¬ Discuss
βœ… Correct Answer: (A) Combiner

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

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

πŸ’¬ Discussion


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