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https://issues.apache.org/jira/browse/HADOOP-11683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14953794#comment-14953794
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Hadoop QA commented on HADOOP-11683:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | patch |   0m  1s | The patch command could not apply 
the patch during dryrun. |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12766168/HADOOP-11683.002.patch 
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| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 9849c8b |
| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/7796/console |


This message was automatically generated.

> Need a plugin API to translate long principal names to local OS user names 
> arbitrarily
> --------------------------------------------------------------------------------------
>
>                 Key: HADOOP-11683
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11683
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 2.6.0
>            Reporter: Sunny Cheung
>            Assignee: roger mak
>         Attachments: HADOOP-11683.001.patch, HADOOP-11683.002.patch
>
>
> We need a plugin API to translate long principal names (e.g. 
> [email protected]) to local OS user names (e.g. user123456) arbitrarily.
> For some organizations the name translation is straightforward (e.g. 
> [email protected] to john_doe), and the hadoop.security.auth_to_local 
> configurable mapping is sufficient to resolve this (see HADOOP-6526). 
> However, in some other cases the name translation is arbitrary and cannot be 
> generalized by a set of translation rules easily.



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