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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7214) Hadoop /usr/bin/groups equivalent
Date Thu, 14 Apr 2011 01:54:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13019667#comment-13019667
] 

Tsz Wo (Nicholas), SZE commented on HADOOP-7214:
------------------------------------------------

> Any thoughts? I'm certainly open to any options not listed here.

Hi Aaron, 

You are right that NN and JT are doing group resolution but they are not the group service
provider.   So, it may be better to let the command to directly invoke service provider (e.g.
LDAP, Unix shell, etc.)  What do you think?

Sorry for this late suggestion.

> 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
>
>
> 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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