Hadoop Map/Reduce
  1. Hadoop Map/Reduce
  2. MAPREDUCE-2506

Create a compatible interface for frameworks that need to clone MapReduce context objects.

    Details

    • Type: Improvement Improvement
    • Status: Open
    • Priority: Major Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
      None

      Description

      In 0.21 we moved the org.apache.hadoop.mapreduce context objects to interfaces.

      That made the APIs much better, but broke backwards compatibility for frameworks that need to clone them.

      1. mr-2506.patch
        19 kB
        Owen O'Malley
      2. ContextFactory.java
        9 kB
        Owen O'Malley

        Activity

        Owen O'Malley made changes -
        Comment [ This version of it compiles and runs against unmodified versions of 0.20.2, 0.20.203.0, and 0.21.0. ]
        Owen O'Malley made changes -
        Attachment ContextFactory.java [ 12479522 ]
        Owen O'Malley made changes -
        Attachment ContextFactory.java [ 12479522 ]
        Owen O'Malley made changes -
        Attachment ContextFactory.java [ 12479520 ]
        Owen O'Malley made changes -
        Field Original Value New Value
        Attachment mr-2506.patch [ 12479518 ]
        Owen O'Malley created issue -

          People

          • Assignee:
            Unassigned
            Reporter:
            Owen O'Malley
          • Votes:
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            Watchers:
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            Dates

            • Created:
              Updated:

              Development