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Posted to common-dev@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2008/01/01 17:37:43 UTC

[jira] Commented: (HADOOP-1298) adding user info to file

    [ https://issues.apache.org/jira/browse/HADOOP-1298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12555209 ] 

Allen Wittenauer commented on HADOOP-1298:
------------------------------------------

It is probably worth noting that our machines do not run nscd and/or have any real naming services performance tuning being done that the UNIX level. So any numbers generated may not reflect 'real world' anyway.

> adding user info to file
> ------------------------
>
>                 Key: HADOOP-1298
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1298
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: dfs, fs
>    Affects Versions: 0.16.0
>            Reporter: Kurtis Heimerl
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.16.0
>
>         Attachments: 1298_2007-09-22_1.patch, 1298_2007-10-04_1.patch, 1298_20071221b.patch, 1298_20071228s.patch, hadoop-user-munncha.patch17, HDFSPermissionSpecification5.pdf
>
>
> I'm working on adding a permissions model to hadoop's DFS. The first step is this change, which associates user info with files. Following this I'll assoicate permissions info, then block methods based on that user info, then authorization of the user info. 
> So, right now i've implemented adding user info to files. I'm looking for feedback before I clean this up and make it offical. 
> I wasn't sure what release, i'm working off trunk. 

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