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https://issues.apache.org/jira/browse/SPARK-42336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-42336:
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Assignee: Apache Spark
> Use OpenHashMap instead of HashMap
> ----------------------------------
>
> Key: SPARK-42336
> URL: https://issues.apache.org/jira/browse/SPARK-42336
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.4.0
> Reporter: jingxiong zhong
> Assignee: Apache Spark
> Priority: Minor
>
> In ResourceAllocator, we can use OpenHashMap instead of HashMap, which can
> gain better performance.
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