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  1. Hadoop Map/Reduce
  2. MAPREDUCE-245

Job and JobControl classes should return interfaces rather than implementations

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.21.0
    • None
    • None
    • Incompatible change, Reviewed

    Description

      See HADOOP-2202 and HADOOP-2268 for background on this. I am creating a new issue, since the previous two did not fix the problem, and it can be addressed when we make non backwards compatible changes to Hadoop (perhaps along with HADOOP-1230).

      Attachments

        1. MAPREDUCE-245.patch
          6 kB
          Christopher Douglas
        2. MAPREDUCE-245.patch
          6 kB
          Thomas White
        3. MAPREDUCE-245.patch
          4 kB
          Thomas White

        Issue Links

          relates to

          Improvement - An improvement or enhancement to an existing feature or task. HADOOP-1230 Replace parameters with context objects in Mapper, Reducer, Partitioner, InputFormat, and OutputFormat classes

          • Major - Major loss of function.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. HADOOP-2268 JobControl classes should use interfaces rather than implemenations

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Activity

            People

              tomwhite Thomas White
              tomwhite Thomas White
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              Dates

                Created:
                Updated:
                Resolved: