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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2023/02/03 14:14:00 UTC

[jira] [Assigned] (SPARK-42336) Use OpenHashMap instead of HashMap

     [ https://issues.apache.org/jira/browse/SPARK-42336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-42336:
------------------------------------

    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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