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https://issues.apache.org/jira/browse/SPARK-30969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17046929#comment-17046929
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Xingbo Jiang commented on SPARK-30969:
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I created https://issues.apache.org/jira/browse/SPARK-30978 to deprecate the
multiple workers on the same host support with Standalone backend.
> 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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