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From "Kurtis Heimerl (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1298) adding user info to file
Date Sat, 05 May 2007 00:36:15 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12493833
] 

Kurtis Heimerl commented on HADOOP-1298:
----------------------------------------

I'll go through those in order. 

I think the first is a valid point. I think the problem is in the existing API though. I don't
need the array of file listings either though, and grabbing the 0th one seems like a hack.
I also think opening the file seems to heavy-weight. 

Second-> Why? We could move rename, delete, exists and a bunch of other methods under one
header as well, but it just confuses the code. Since these will need to be multiplexed at
a lower level, why not keep the code path clean and obvious?

3-> again, why? If we're going to do that, we can move most of the methods like that. 

4-> will do

5-> good point. I'll look at that too. 

> 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,
hadoop-user-munncha.patch4, hadoop-user-munncha.patch5, hadoop-user-munncha.patch6, hadoop-user-munncha.patch7,
hadoop-user-munncha.patch8, hadoop-user-munncha.patch9
>
>
> 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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