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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-6520) UGI should load tokens from the environment
Date Sat, 30 Jan 2010 19:20:34 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Devaraj Das updated HADOOP-6520:
--------------------------------

    Attachment: h-6520.4.patch

Fixing the javac warnings (i think it was coming out of TestTokenStorage.java due to the use
of a deprecated class). Also, changed the Interface audience for TokenStorage to be only MapReduce.

> 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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