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From "Kurtis Heimerl (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1298) adding user info to file
Date Fri, 27 Apr 2007 00:26:15 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12492166

Kurtis Heimerl commented on HADOOP-1298:

I've sent a new version up, as I'm sure everyone can see. 

This implements groups and seperates the client side from the server side. 

There are a few unresolved issues. the first of which is the mechanism for putting groups
into the server. It uses config and is ugly. 


fs.groups -> list of groups

for each in this list, a property fs.group.GROUP_NAME should exist. 
It has the associated users. 

You should be able to call the init method at run time to add new users to the system. It's
that or check this file every time a user connects. 

Lastly, I need to implement Unix permissions. I don't see any obvious way to do this in java,
the closest is 3 integers, one for user, one for groups and one for everyone. Does that sound

> 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
>            Reporter: Kurtis Heimerl
>         Attachments: hadoop-user-munncha.patch, hadoop-user-munncha.patch, hadoop-user-munncha.patch
> 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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