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https://issues.apache.org/jira/browse/SPARK-48394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun reassigned SPARK-48394:
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Assignee: wuyi
> Cleanup mapIdToMapIndex on mapoutput unregister
> -----------------------------------------------
>
> Key: SPARK-48394
> URL: https://issues.apache.org/jira/browse/SPARK-48394
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.5.0, 4.0.0, 3.5.1
> Reporter: wuyi
> Assignee: wuyi
> Priority: Major
> Labels: pull-request-available
>
> There is only one valid mapstatus for the same {{mapIndex}} at the same time
> in Spark. {{mapIdToMapIndex}} should also follows the same rule to avoid
> chaos.
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