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  1. Hadoop Map/Reduce
  2. MAPREDUCE-954

The new interface's Context objects should be interfaces

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.21.0
    • client
    • None
    • Changed Map-Reduce context objects to be interfaces.

    Description

      When I was doing HADOOP-1230, I was persuaded to make the Context objects as classes. I think that was a serious mistake. It caused a lot of information leakage into the public classes.

      Attachments

        1. MAPREDUCE-954.patch
          76 kB
          Arun Murthy
        2. MAPREDUCE-954.patch
          103 kB
          Arun Murthy
        3. MAPREDUCE-954.patch
          122 kB
          Arun Murthy
        4. MAPREDUCE-954.patch
          139 kB
          Arun Murthy
        5. MAPREDUCE-954.patch
          157 kB
          Arun Murthy
        6. MAPREDUCE-954.patch
          159 kB
          Arun Murthy
        7. MAPREDUCE-954.patch
          159 kB
          Arun Murthy

        Issue Links

          blocks

          Sub-task - The sub-task of the issue MAPREDUCE-372 Change org.apache.hadoop.mapred.lib.ChainMapper/Reducer to use new api.

          • Major - Major loss of function.
          • Closed

          Activity

            People

              acmurthy Arun Murthy
              omalley Owen O'Malley
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              Dates

                Created:
                Updated:
                Resolved: