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  1. Hadoop Map/Reduce
  2. MAPREDUCE-4502 Node-level aggregation with combining the result of maps
  3. MAPREDUCE-4525

Combiner per node

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Details

    • Sub-task
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • applicationmaster, mrv2
    • None

    Description

      This JIRA is to implement the combining per container(MAPREDUCE-3902 is related), coordinating containers by application master without breaking fault tolerance of jobs.

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          relates 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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              ozawa Tsuyoshi Ozawa
              ozawa Tsuyoshi Ozawa
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              Dates

                Created:
                Updated: