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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1298) adding user info to file
Date Fri, 13 Jul 2007 17:37:06 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12512548

dhruba borthakur commented on HADOOP-1298:

I like the idea of creating/keeping fewer objects in the Namenode's memory. The memory in
the namenode is a premium resource, and fewer the objects larger the number of files/directories
it can support. 

> 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.patch10, hadoop-user-munncha.patch11, hadoop-user-munncha.patch12, hadoop-user-munncha.patch13,
hadoop-user-munncha.patch14, hadoop-user-munncha.patch15, hadoop-user-munncha.patch16, hadoop-user-munncha.patch17,
hadoop-user-munncha.patch4, hadoop-user-munncha.patch5, hadoop-user-munncha.patch6, hadoop-user-munncha.patch7,
hadoop-user-munncha.patch8, hadoop-user-munncha.patch9, hdfs-access-control.patch.gz
> 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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