[jira] [Updated] (CONFIGURATION-522) support specify config items through system property

["Zesheng Wu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CONFIGURATION-522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zesheng Wu updated CONFIGURATION-522:
-------------------------------------

    Attachment: CONFIGURATION-522.patch
    
> support specify config items through system property
> ----------------------------------------------------
>
>                 Key: CONFIGURATION-522
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-522
>             Project: Commons Configuration
>          Issue Type: Improvement
>          Components: Interpolation
>    Affects Versions: 2.x
>            Reporter: Zesheng Wu
>            Priority: Minor
>              Labels: 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 handy.
> 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

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