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https://issues.apache.org/jira/browse/HDFS-11359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15840582#comment-15840582
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Andrew Wang commented on HDFS-11359:
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Thanks for the patch [~linyiqun]!
My few high-level comments from a little knowledge of HDFS-11259:
* Do we need two states, for "in maintenance" and also "entering maintenance"?
* Can we rename the flag to just "-maintenance" like HDFS-11259?
* Please change "enter maintenance" to "entering maintenance" for grammar
Also a side note, it looks like this might be incompatible since the default
behavior will list maintenance state nodes too.
[~eddyxu] seems similar to HDFS-11259, want to review this too?
> DFSAdmin report command supports displaying maintenance state datanodes
> -----------------------------------------------------------------------
>
> Key: HDFS-11359
> URL: https://issues.apache.org/jira/browse/HDFS-11359
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: 3.0.0-alpha1
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Priority: Minor
> Attachments: HDFS-11359.001.patch
>
>
> The datanode's maintenance state info can be showed in webUI/JMX. But it
> can't be displayed via CLI. This JIRA will improve on this.
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