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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6457) Set Hadoop User/Group by System properties or environment variables
Date Sat, 19 Dec 2009 00:09:18 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12792712#action_12792712
] 

Allen Wittenauer commented on HADOOP-6457:
------------------------------------------

What makes this better than setting hadoop.job.ugi?

> Set Hadoop User/Group by System properties or environment variables
> -------------------------------------------------------------------
>
>                 Key: HADOOP-6457
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6457
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: security
>            Reporter: issei yoshida
>         Attachments: 6457.patch
>
>
> Hadoop User/Group can be set by System properties or environment variables.
> For example, in environment variables,
> export HADOOP_USER=test
> export HADOOP_GROUP=user
> or in your MapReduce,
> System.setProperty("hadoop.user.name", "test");
> System.setProperty("hadoop.group.name", "user");

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