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https://issues.apache.org/jira/browse/SPARK-30969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17046795#comment-17046795
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Xiangrui Meng commented on SPARK-30969:
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[~Ngone51] [~jiangxb1987] Is there a JIRA to deprecate multiple workers running
on the same host? Could you create and link here? I think we should deprecate
it in 3.0.
> Remove resource coordination support from Standalone
> ----------------------------------------------------
>
> Key: SPARK-30969
> URL: https://issues.apache.org/jira/browse/SPARK-30969
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Affects Versions: 3.0.0
> Reporter: wuyi
> Assignee: wuyi
> Priority: Critical
>
> Resource coordination is used for the case where multiple workers running on
> the same host. However, it should be a rarely or event impossible use case in
> current Standalone(which already allow multiple executor in a single worker).
> We should remove support for it to simply the implementation and reduce the
> potential maintain cost in the future.
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