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https://issues.apache.org/jira/browse/YARN-3132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14325073#comment-14325073
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Wangda Tan commented on YARN-3132:
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Findbugs warnings and failed tests are not related to this change.
> RMNodeLabelsManager should remove node from node-to-label mapping when node
> becomes deactivated
> -----------------------------------------------------------------------------------------------
>
> Key: YARN-3132
> URL: https://issues.apache.org/jira/browse/YARN-3132
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: api, client, resourcemanager
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Attachments: YARN-3132.1.patch
>
>
> Using an example to explain:
> 1) Admin specify host1 has label=x
> 2) node=host1:123 registered
> 3) Get node-to-label mapping, return host1/host1:123
> 4) node=host1:123 unregistered
> 5) Get node-to-label mapping, still returns host1:123
> Probably we should remove host1:123 when it becomes deactivated and no
> directly label assigned to it (directly assign means admin specify host1:123
> has x instead of host1 has x).
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