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https://issues.apache.org/jira/browse/SPARK-25437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kazuaki Ishizaki updated SPARK-25437:
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Comment: was deleted
(was: Is such a feature for major release, not for maintenance release?)
> Using OpenHashMap replace HashMap improve Encoder Performance
> -------------------------------------------------------------
>
> Key: SPARK-25437
> URL: https://issues.apache.org/jira/browse/SPARK-25437
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.3.1
> Reporter: wangjiaochun
> Priority: Minor
>
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