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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