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https://issues.apache.org/jira/browse/HDFS-7303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14224893#comment-14224893
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Benoy Antony commented on HDFS-7303:
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Thank you [~wheat9] for reviewing and committing.
> NN UI fails to distinguish datanodes on the same host
> -----------------------------------------------------
>
> Key: HDFS-7303
> URL: https://issues.apache.org/jira/browse/HDFS-7303
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.5.1
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Priority: Minor
> Fix For: 2.7.0
>
> Attachments: HDFS-7303.patch, HDFS-7303.patch, HDFS-7303.patch,
> HDFS-7303.patch, HDFS-7303.patch, HDFS-7303.patch
>
>
> If you start multiple datanodes on different ports on the the same host, only
> one of them appears in the NN UI’s datanode tab.
> While this is not a common scenario, there are still scenarios where you need
> to start multiple datanodes on the same host.
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