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Posted to issues@spark.apache.org by "ulysses you (Jira)" <ji...@apache.org> on 2021/05/06 01:38:00 UTC
[jira] [Updated] (SPARK-35214) OptimizeSkewedJoin support
ShuffledHashJoinExec
[ https://issues.apache.org/jira/browse/SPARK-35214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ulysses you updated SPARK-35214:
--------------------------------
Parent: SPARK-33828
Issue Type: Sub-task (was: Improvement)
> OptimizeSkewedJoin support ShuffledHashJoinExec
> -----------------------------------------------
>
> Key: SPARK-35214
> URL: https://issues.apache.org/jira/browse/SPARK-35214
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: ulysses you
> Assignee: ulysses you
> Priority: Major
> Fix For: 3.2.0
>
>
> Currently, we have already supported all type of join through hint that make it easy to choose the join implementation.
> We would choose `ShuffledHashJoin` if one table is not big but over the broadcast threshold. It's better that we can support optimize it in `OptimizeSkewedJoin`.
>
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