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  1. Pig
  2. PIG-2423

document use case where co-group is better choice than join

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    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • documentation
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    Description

      Optimization rules 2 and 3 suggested in https://issues.apache.org/jira/secure/attachment/12506841/pig_tpch.ppt (PIG-2397) recommend the use of co-group instead of join in certain cases. These should be documented in pig performance page.

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          is related to

          Task - A task that needs to be done. PIG-2397 Running TPC-H Benchmark on Pig

          • Major - Major loss of function.
          • Open

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              Unassigned Unassigned
              thejas Thejas Nair
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                Created:
                Updated: