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Posted to common-dev@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2013/06/13 10:26:21 UTC

[jira] [Created] (HADOOP-9642) Configuration to resolve environment variables via ${env.VARIABLE} references

Steve Loughran created HADOOP-9642:
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             Summary: Configuration to resolve environment variables via ${env.VARIABLE} references
                 Key: HADOOP-9642
                 URL: https://issues.apache.org/jira/browse/HADOOP-9642
             Project: Hadoop Common
          Issue Type: Improvement
          Components: conf
    Affects Versions: 3.0.0, 2.1.0-beta
            Reporter: Steve Loughran
            Priority: Minor


We should be able to get env variables from Configuration files, rather than just system properties. I propose using the traditional {{env}} prefix {{${env.PATH}}} to make it immediately clear to people reading a conf file that it's an env variable -and to avoid any confusion with system properties and existing configuration properties.

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