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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7214) Hadoop /usr/bin/groups equivalent
Date Thu, 05 May 2011 05:19:03 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13029130#comment-13029130
] 

Aaron T. Myers commented on HADOOP-7214:
----------------------------------------

bq. What's the point of the "helper method to get the current user" since it's just wrapping
another method directly? Seems silly.

Happy to remove it. It is only a very slight convenience.

bq. We need to make sure we commit this at the same time as we commit the MR and HDFS changes,
right? (ie this will break the build if we don't?)

Absolutely. Unless we do what I just suggested in MAPREDUCE-2473, i.e. don't modify the existing
{{RefreshUserMappings}} interface, and instead make a separate interface just for fetching.

Let me know if that sounds good to you and I'll go ahead and make those changes.

> Hadoop /usr/bin/groups equivalent
> ---------------------------------
>
>                 Key: HADOOP-7214
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7214
>             Project: Hadoop Common
>          Issue Type: New Feature
>    Affects Versions: 0.23.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: hadoop-7214.0.txt, hadoop-7214.1.txt, hadoop-7214.2.txt, hadoop-7214.3.txt,
hadoop-7214.4.txt, hadoop-7214.5.txt, hadoop-7214.6.txt, hadoop-7214.7.patch, hadoop-7214.8.patch
>
>
> Since user -> groups resolution is done on the NN and JT machines, there should be
a way for users to determine what groups they're a member of from the NN's and JT's perspective.

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