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https://issues.apache.org/jira/browse/HADOOP-6317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated HADOOP-6317:
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    Status: Open  (was: Patch Available)

Doug, the patch looks good. I propose we mark the new apis @Private to let 
end-users know that this is only for the framework (TTs etc.). Thoughts?

> Serialize the 'final'ness of Configuration keys
> -----------------------------------------------
>
>                 Key: HADOOP-6317
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6317
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: conf
>            Reporter: Arun C Murthy
>            Assignee: Aaron Kimball
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-6317.2.patch, HADOOP-6317.3.patch, 
> HADOOP-6317.4.patch, HADOOP-6317.patch, HADOOP-6317.patch
>
>
> Currently Configuration.writeXml doesn't serialize the 'final' attribute. 
> There are some scenarios where it is useful:
> # TaskTracker should mark the tasks' 'localized' parameters as 'final' 
> # GUI tools

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