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https://issues.apache.org/jira/browse/HDFS-2978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13216242#comment-13216242
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Aaron T. Myers commented on HDFS-2978:
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bq. Also, ignoring the above comment, would it be a good idea to have this
available in 1.x too?
Sure, good thinking. I'd be happy to provide such a patch.
Todd/Hitesh - does Suresh's reply re: why JSON for JMX data address your
concerns?
> The NameNode should expose name dir statuses via JMX
> ----------------------------------------------------
>
> Key: HDFS-2978
> URL: https://issues.apache.org/jira/browse/HDFS-2978
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: name-node
> Affects Versions: 0.23.0
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Attachments: HDFS-2978.patch
>
>
> We currently display this info on the NN web UI, so users who wish to monitor
> this must either do it manually or parse HTML. We should publish this
> information via JMX.
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