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https://issues.apache.org/jira/browse/HADOOP-5469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12701599#action_12701599
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Marco Nicosia commented on HADOOP-5469:
---------------------------------------

Opened HADOOP-5722 to make this a configurable feature. And yes, we continue to 
lobby for better protection of all of Hadoop's ports. In the meantime, we 
prefer not to open additional holes if possible.


> Exposing Hadoop metrics via HTTP
> --------------------------------
>
>                 Key: HADOOP-5469
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5469
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: metrics
>            Reporter: Philip Zeyliger
>            Assignee: Philip Zeyliger
>             Fix For: 0.21.0
>
>         Attachments: HADOOP-5469.patch, HADOOP-5469.patch
>
>          Time Spent: 2h
>  Remaining Estimate: 1.5h
>
> Implement a "/metrics" URL on the HTTP server of Hadoop daemons, to expose 
> metrics data to users via their web browsers, in plain-text and JSON.

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