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https://issues.apache.org/jira/browse/SPARK-24076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16451540#comment-16451540
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yucai commented on SPARK-24076:
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shuffle.partition = 8192
!p1.png!
shuffle.partition = 8000
!p2.png!
> very bad performance when shuffle.partition = 8192
> --------------------------------------------------
>
> Key: SPARK-24076
> URL: https://issues.apache.org/jira/browse/SPARK-24076
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: yucai
> Priority: Major
> Attachments: p1.png, p2.png
>
>
> We see very bad performance when shuffle.partition = 8192 on some cases.
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