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https://issues.apache.org/jira/browse/HADOOP-1298?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christophe Taton updated HADOOP-1298:
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Attachment: 1298_20070821c-1298only.patch
1298_20070821c-full.patch
Update to follow the trunk and to integrate some remarks.
- on file creation, implicit mkdirs() only if directory does not exist
(implicit mkdirs() might be done on the server side, to prevent many RPCs for a
single operation?): this change is required as implicitly creating already
existing directories requires creation permissions for these directories.
- redesign of the POSIX permission check to conform to the new INodes (does not
use INode.parent anymore, to allow its future removal)
- added INode.permissions field, with getter/setter
- added INode[] INodeDirectory.getExistingINodes(String path) and int
INodeDirectory.getExistingINodes(String[] components, INode[] existing) methods
to retrieve the existing INodes that compose a path in the tree.
> 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
> Assignee: Christophe Taton
> Fix For: 0.15.0
>
> Attachments: 1298_20070821c-1298only.patch,
> 1298_20070821c-full.patch, hadoop-user-munncha.patch17, layout20070731.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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