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Date: Sat, 30 Jan 2010 19:52:34 +0000 (UTC)
From: "Owen O'Malley (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Subject: [jira] Updated: (HADOOP-6520) UGI should load tokens from the
 environment
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     [ https://issues.apache.org/jira/browse/HADOOP-6520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Owen O'Malley updated HADOOP-6520:
----------------------------------

    Hadoop Flags: [Reviewed]

+1

> UGI should load tokens from the environment
> -------------------------------------------
>
>                 Key: HADOOP-6520
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6520
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.22.0
>            Reporter: Owen O'Malley
>            Assignee: Devaraj Das
>             Fix For: 0.22.0
>
>         Attachments: h-6520.1.patch, h-6520.2.patch, h-6520.3.patch, h-6520.4.patch, h-6520.patch
>
>
> For MapReduce tasks, we need not only the task itself, but child processes to get the delegation tokens, therefore we need an environment variable that if set loads a token cache into the login UGI. The task tracker can set this property so that tasks (and child processes of the tasks, such as streaming and pipes) have the job's tokens automatically.

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