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  1. Hadoop Map/Reduce
  2. MAPREDUCE-4596

Split StateMachine state from states seen by MRClientProtocol (for Job, Task, TaskAttempt)

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    Description

      State machine states are currently exposed via MRClienProtocol. This makes it tough to modify the AM state machines, or have an alternate AM with different state machines (MR-3902) without the changes being visible in MRClientProtocol (MRv2 equivalent of ClientProtocol).

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        1. MR4596-branch23_2.txt
          100 kB
          Siddharth Seth
        2. MR4596-branch23_1.txt
          98 kB
          Siddharth Seth
        3. MR4596.txt
          107 kB
          Siddharth Seth
        4. MR4596_b3902.txt
          89 kB
          Siddharth Seth
        5. MR4596_4.txt
          106 kB
          Siddharth Seth
        6. MR4596_3.txt
          105 kB
          Siddharth Seth
        7. MR4596_2.txt
          106 kB
          Siddharth Seth

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        is related to

        Improvement - An improvement or enhancement to an existing feature or task. MAPREDUCE-3902 MR AM should reuse containers for map tasks, there-by allowing fine-grained control on num-maps for users without need for CombineFileInputFormat etc.

        • Major - Major loss of function.
        • Open

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            sseth Siddharth Seth
            sseth Siddharth Seth
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