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https://issues.apache.org/jira/browse/HADOOP-6520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12806722#action_12806722
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Hadoop QA commented on HADOOP-6520:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12431871/h-6520.4.patch
  against trunk revision 904339.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac 
compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of 
release audit warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/305/testReport/
Findbugs warnings: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/305/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/305/artifact/trunk/build/test/checkstyle-errors.html
Console output: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/305/console

This message is automatically generated.

> 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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