You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@spark.apache.org by "Terry Kim (Jira)" <ji...@apache.org> on 2020/09/07 02:03:00 UTC

[jira] [Created] (SPARK-32806) SortMergeJoin with partial hash distribution can be optimized to remove shuffle

Terry Kim created SPARK-32806:
---------------------------------

             Summary: SortMergeJoin with partial hash distribution can be optimized to remove shuffle
                 Key: SPARK-32806
                 URL: https://issues.apache.org/jira/browse/SPARK-32806
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.1.0
            Reporter: Terry Kim


SortMergeJoin with partial hash distribution can be optimized to remove shuffle if the hash partitioning expressions are a subset of join keys for both sides.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org