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  1. Pig
  2. PIG-4874

Remove schema tuple reference overhead for replicate join hashmap

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.16.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Currently even if pig.schematuple is set to false which is the default, the usage of TupleToMapKey and TuplesToSchemaTupleList instead of plain HashMap<Object, ArrayList<Tuple>> costs a lot of memory. Also key is currently converted to a tuple which is unnecessary.

        Attachments

        1. PIG-4874-2.patch
          23 kB
          Rohini Palaniswamy
        2. PIG-4874-1.patch
          23 kB
          Rohini Palaniswamy

          Issue Links

          relates to

          Improvement - An improvement or enhancement to an existing feature or task. PIG-4875 Fix SchemaTuple for Tez

          • Major - Major loss of function.
          • Open

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              People

              • Assignee:
                rohini Rohini Palaniswamy
                Reporter:
                rohini Rohini Palaniswamy
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                Dates

                • Created:
                  Updated:
                  Resolved: