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From "Jitendra Nath Pandey (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-6520) UGI should load tokens from the environment
Date Mon, 01 Feb 2010 18:06:18 GMT

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

Jitendra Nath Pandey updated HADOOP-6520:
-----------------------------------------

    Attachment: HADOOP-6520-0_20.2.patch

Patch for Hadoop-20 added.

> 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, HADOOP-6520-0_20.2.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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