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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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Tsz Wo (Nicholas), SZE updated HADOOP-1298:
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Attachment: 20071116b.patch
Since the API proposed in HADOOP-1701 is changed and the RPC change in
HADOOP-2184, I come up a patch based on 1298_2007-10-04_1.patch.
20071116b.patch:
- There are no user management. User name and a list group names are obtained
from RPC. NameNode maintains name-to-serial-number maps for saving memory.
- For FSImage and FSEditLog, user names and group names are written as strings.
The name-to-serial-number maps are not stored.
- java SecurityManager and Policy are not used for better NameNode performance.
- 20071116b.patch depends on HADOOP-1701 and HADOOP-2184.
> 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
> Attachments: 1298_2007-09-22_1.patch, 1298_2007-10-04_1.patch,
> 20071116b.patch, hadoop-user-munncha.patch17
>
>
> 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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