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  1. Hadoop Map/Reduce
  2. MAPREDUCE-4505

Create a combiner bypass path for keys with a single value

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    • Bug
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • performance, task
    • None

    Description

      It would help optimize a lot of cases where there aren't a lot of replicated keys if the framework would bypass the deserialize/combiner/serialize step for keys that only have a single value.

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            acmurthy Arun Murthy
            omalley Owen O'Malley
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              Created:
              Updated: