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https://issues.apache.org/jira/browse/HDFS-12700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217397#comment-16217397
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Arpit Agarwal commented on HDFS-12700:
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Hi [~zhenyi], it's generally better to use hostnames as they are more robust.
e.g. in a multi-homed setup.
> Fix datanode link that can not be accessed in dfshealth.html
> --------------------------------------------------------------
>
> Key: HDFS-12700
> URL: https://issues.apache.org/jira/browse/HDFS-12700
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: fang zhenyi
> Assignee: fang zhenyi
> Priority: Minor
> Fix For: 3.1.0
>
> Attachments: HDFS-12700.000.patch
>
>
> I find that datanode link that can not be accessed in dfshealth.html if I
> do not change hosts file.So I changed the link to ip address.
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