[jira] [Commented] (HADOOP-7702) Show the default configuration value in /conf servlet as well

["Steve Loughran (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-7702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13119243#comment-13119243 ] 

Steve Loughran commented on HADOOP-7702:
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I don't think this should be in conf, but it may need to be accessible somehow. Why? Because if I bring up a NN listening on 0.0.0.0 I'd like to know that fact, though I'd also like to know the live hostname ended up 10.4.1.1, and the live URL being hdfs://cluster1/

I've served up configs with these values and the prefix live. which aided management; I could imagine serving up a conf file under a different path that served up the live values with the names people expect -this could then be downloaded and used directly by a client program (which is what I effectively did)
                
> Show the default configuration value in /conf servlet as well
> -------------------------------------------------------------
>
>                 Key: HADOOP-7702
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7702
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 0.21.1
>            Reporter: Liyin Tang
>
> HADOOP-6408 has shown all the configuration values in the configuration file in /conf servlet.
> But some of the configuration value do not exist in config file but be set in the code as default value.
> It would be nice to show all these default configuration values in the servlet as well.

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