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https://issues.apache.org/jira/browse/YARN-9635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16870769#comment-16870769
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Tao Yang commented on YARN-9635:
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Hi, [~jiwq].
It seems as if NMs were using ephemeral ports, so that nodeIds were mostly
changed after failover and NMs are seen as new nodes by RM. You can check if
the conf value of "yarn.nodemanager.address" is "0.0.0.0:0"(the default value
if not configured), if yes, you can set a fixed port to avoid this.
> Nodes page displayed duplicate nodes
> ------------------------------------
>
> Key: YARN-9635
> URL: https://issues.apache.org/jira/browse/YARN-9635
> Project: Hadoop YARN
> Issue Type: Bug
> Components: api, webapp, yarn-ui-v2
> Affects Versions: 3.2.0
> Reporter: Wanqiang Ji
> Assignee: Wanqiang Ji
> Priority: Major
> Attachments: UI2-nodes.jpg
>
>
> Steps:
> * shutdown nodes
> * start nodes
> Nodes Page:
> !UI2-nodes.jpg!
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