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Posted to issues@spark.apache.org by "Avi minsky (JIRA)" <ji...@apache.org> on 2018/11/21 19:33:00 UTC

[jira] [Created] (SPARK-26143) Shuffle shuffle default persist type

Avi minsky created SPARK-26143:
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             Summary: Shuffle shuffle default persist type
                 Key: SPARK-26143
                 URL: https://issues.apache.org/jira/browse/SPARK-26143
             Project: Spark
          Issue Type: New Feature
          Components: Shuffle
    Affects Versions: 2.3.0
            Reporter: Avi minsky


Currently developer can set persist type explicitly only on persist command but shuffling can occur in many cases (group by, join, etc..) why can we set a default shuffle mode, this can be helpful in many cases (also will automatically allow replication of shuffle blocks if set to memory_only_2, for example)



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