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Posted to common-issues@hadoop.apache.org by "Gera Shegalov (JIRA)" <ji...@apache.org> on 2014/07/16 08:09:04 UTC

[jira] [Created] (HADOOP-10849) Implement conf substitution with UGI.current/loginUser

Gera Shegalov created HADOOP-10849:
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             Summary: Implement conf substitution with UGI.current/loginUser
                 Key: HADOOP-10849
                 URL: https://issues.apache.org/jira/browse/HADOOP-10849
             Project: Hadoop Common
          Issue Type: Improvement
          Components: conf
    Affects Versions: 2.4.1
            Reporter: Gera Shegalov
            Assignee: Gera Shegalov


Many path properties and similar in hadoop code base would be easily configured if we had substitutions with {{UserGroupInformation#getCurrentUser}}. Currently we often use less elegant concatenation code if we want to express currentUser as opposed to ${user.name} system property representing the user owning the JVM.

This JIRA proposes the corresponding substitution support for keys {{ugi.current.user}} and {{ugi.login.user}}



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