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From "Christophe Taton (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1298) adding user info to file
Date Sat, 21 Jul 2007 04:52:06 GMT

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

Christophe Taton updated HADOOP-1298:
-------------------------------------

    Attachment: hadoop-dev-20070720-1633.patch.gz

Hi All,

Here is a new patch providing file ownerships and access rights infos to HDFS.
The access right checks are now processed on each INode's side and principal infos are transmitted
from NameNode downto INodes.
Almost all JUnit test cases pass except a few ones (TestDFSFinalize: still trying to figure
out why; TestSymLink: works in Eclipse but not when run with ant).
The sticky bit behavior is still to implement but should not be a big issue.
Authentication is still not implemented and will probably be very simple at first, assuming
no will to break the system.
The INode class has been factored out as a standalone class, outside FSDirectory. The FS layout
has also changed.
I also tried to provide an accurate javadoc.

I am ready to accept any comments, criticisms or suggestions! The sooner the better.

A question: when renaming a file, should we create the parent directories if they don't exist?

Thanks,
Christophe T.


> 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
>             Fix For: 0.15.0
>
>         Attachments: hadoop-dev-20070720-1633.patch.gz, 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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