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  1. ______________ class allows the Map/Reduce framework to partition the map outputs based on certain key fields, not the whole keys.
  2. A.
    KeyFieldPartitioner
    B.
    KeyFieldBasedPartitioner
    C.
    KeyFieldBased
    D.
    None of the mentioned

    View Answer

    Workspace

    Answer : Option B

    Explanation :

    The primary key is used for partitioning, and the combination of the primary and secondary keys is used for sorting.


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