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https://issues.apache.org/jira/browse/HDFS-2978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13216160#comment-13216160
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Hitesh Shah commented on HDFS-2978:
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@Aaron, Minor question on the use of emitting the data as a json-encoded string
- any reason why this is being done for all the information exposed through the
mbeans instead of using defined structures which are recognized and handled by
the JMX interface in any case?
Also, ignoring the above comment, would it be a good idea to have this
available in 1.x too?
> 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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