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Date: Wed, 4 May 2011 22:52:03 +0000 (UTC)
From: "Aaron T. Myers (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (HADOOP-7214) Hadoop /usr/bin/groups equivalent
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     [ https://issues.apache.org/jira/browse/HADOOP-7214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aaron T. Myers updated HADOOP-7214:
-----------------------------------

    Attachment: hadoop-7214.7.patch

Updated patch which switches designs to use a separate protocol.

Note that in this patch I renamed {{RefreshUserMappingsProtocol}} to {{UserGroupMappingProtocol}}. The only other changes in this file are bumping the protocol version ID and adding the {{getGroupsForUser}} method.

> 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
>
>
> 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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