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Posted to common-dev@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2009/01/08 10:16:59 UTC
[jira] Updated: (HADOOP-4656) Add a user to groups mapping service
[ https://issues.apache.org/jira/browse/HADOOP-4656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arun C Murthy updated HADOOP-4656:
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Attachment: HADOOP-4656_0_20090108.patch
Preliminary patch while I continue testing.
> Add a user to groups mapping service
> -------------------------------------
>
> Key: HADOOP-4656
> URL: https://issues.apache.org/jira/browse/HADOOP-4656
> Project: Hadoop Core
> Issue Type: Improvement
> Components: security
> Affects Versions: 0.19.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Attachments: HADOOP-4656_0_20090108.patch
>
>
> Currently the IPC client sends the UGI which contains the user/group information for the Server. However this represents the groups for the user on the client-end. The more pertinent mapping from user to groups is actually the one seen by the Server. Hence the client should only send the user and we should add a 'group mapping service' so that the Server can query it for the mapping.
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