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From "Eli Collins (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7956) Remove duplicate definition of default config values
Date Thu, 05 Jan 2012 18:56:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13180692#comment-13180692

Eli Collins commented on HADOOP-7956:

How about:
#1 Generating the default.xml files from the PublicKeys.java files?  or
#2 Making the default.xml files just documentation (don't load them as resources, rely on
the values defined in the source which IMO should be authoritative)

> Remove duplicate definition of default config values
> ----------------------------------------------------
>                 Key: HADOOP-7956
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7956
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: conf
>            Reporter: Eli Collins
> We define default configuration values in two places:
> #1 The default.xml files (eg core-default.xml)
> #2 The _DEFAULT defines in *Keys.java
> This means the defaults used in the code may or may not be dead code based on whether
the config is present in the default xml file. Would be good to define these in one place.
> #1 Just have the defines in the code and figure out how to make those accessible as a
loadable resource (eg could generate the default files from the defines in the KeysPublic*
> #2 Remove one of the definitions entirely (possible to live w/o the default files?) or
> #3 Remove the overlap between the code and default files

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