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Discussion :: Hadoop MCQs

  1. On a tasktracker, the map task passes the split to the createRecordReader() method on InputFormat to obtain a _________ for that split.
    2. A.
    InputReader
    B.
    RecordReader
    C.
    OutputReader
    D.
    None of the mentioned

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    The RecordReader loads data from its source and converts into key-value pairs suitable for reading by mapper.

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