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https://issues.apache.org/jira/browse/SPARK-31175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-31175.
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Fix Version/s: 3.1.0
Resolution: Fixed
Issue resolved by pull request 27938
[https://github.com/apache/spark/pull/27938]
> Avoid creating reverse comparator for each compare in InterpretedOrdering
> -------------------------------------------------------------------------
>
> Key: SPARK-31175
> URL: https://issues.apache.org/jira/browse/SPARK-31175
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: wuyi
> Assignee: wuyi
> Priority: Major
> Fix For: 3.1.0
>
>
> Currently, we'll create a new reverse comparator for each compare in
> InterpretedOrdering, which could generate lots of small and instant object to
> hurt JVM.
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