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  1. Pig
  2. PIG-1218

Use distributed cache to store samples

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.7.0
    • None
    • None
    • Reviewed

    Description

      Currently, in the case of skew join and order by we use sample that is just written to the dfs (not distributed cache) and, as the result, get opened and copied around more than necessary. This impacts query performance and also places unnecesary load on the name node

      Attachments

        1. PIG-1218_2.patch
          28 kB
          Richard Ding
        2. PIG-1218_3.patch
          31 kB
          Richard Ding
        3. PIG-1218.patch
          34 kB
          Richard Ding

        Activity

          People

            rding Richard Ding
            olgan Olga Natkovich
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            Dates

              Created:
              Updated:
              Resolved: