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From "Joerg Schaible (JIRA)" <>
Subject [jira] [Closed] (CONFIGURATION-522) support specify config items through system property
Date Fri, 18 Jan 2013 08:30:12 GMT


Joerg Schaible closed CONFIGURATION-522.

    Resolution: Invalid

Sorry, but Apache Commons Configurations is a completely different project and has nothing
to do with Apache Hadoop.
> support specify config items through system property
> ----------------------------------------------------
>                 Key: CONFIGURATION-522
>                 URL:
>             Project: Commons Configuration
>          Issue Type: Improvement
>          Components: Interpolation
>    Affects Versions: 2.x
>            Reporter: Zesheng Wu
>            Priority: Minor
>              Labels: configuration, property, system
>             Fix For: 2.x
>         Attachments: CONFIGURATION-522.patch
>   Original Estimate: 24h
>  Remaining Estimate: 24h
> The current hadoop config items are mainly interpolated from the *-site.xml files. In
our production environment, we need a mechanism that can specify config items through system
properties, which is something like the gflags for system built with C++, it's really very
> The main purpose of this patch is to improve the convenience of hadoop systems, especially
when people do testing or perf tuning, which always need to modify the *-site.xml files
> If this patch is applied, then people can start hadoop programs in this way: java -cp
$class_path$name=$value $program

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