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https://issues.apache.org/jira/browse/SPARK-24799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16542974#comment-16542974
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Takeshi Yamamuro commented on SPARK-24799:
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This topic seems to be related to
https://issues.apache.org/jira/browse/SPARK-9862 in the adaptive query
execution. Anyway, you need to narrow down your idea more I think.
> A solution of dealing with data skew in left,right,inner join
> -------------------------------------------------------------
>
> Key: SPARK-24799
> URL: https://issues.apache.org/jira/browse/SPARK-24799
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 2.0.0, 2.1.0, 2.2.0, 2.3.0
> Reporter: marymwu
> Priority: Major
> Fix For: 2.3.0
>
>
> For the left,right,inner join statment execution, this solution is mainling
> about to devide the partions where the data skew has occured into serveral
> partions with smaller data scale, in order to parallelly execute more tasks
> to increase effeciency.
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