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https://issues.apache.org/jira/browse/HADOOP-1298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12554946
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Mukund Madhugiri commented on HADOOP-1298:
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|*20 nodes*|trunk|trunk + patch|
|Random Writer (hrs)|0.27|0.33|
|Sort (hrs)|0.71|0.94|
|Sort Validation (hrs)|0.18|0.19|
|dfsio write with 39 clients (GB/sec)|0.35|0.34|
|dfsio read with 39 clients (GB/sec)|1.23|1.15|
|smallJobs (sec)|17.8|18.1|
|*100 nodes*|trunk|trunk + patch|
|Random Writer (hrs)|0.47|0.47|
|Sort (hrs)|1.29|1.1|
|Sort Validation (hrs)|0.39|0.38|
|dfsio write with 198 clients (GB/sec)|1.1|1.13|
|dfsio read with 198 clients (GB/sec)|2.5|2.59|
|smallJobs (sec)|25.7|20.8|
|*500 nodes*|trunk|trunk + patch|
|Random Writer (hrs)|0.43|0.42|
|Sort (hrs)|1.33|1.43|
|Sort Validation (hrs)|0.32|0.38|
|dfsio write with 990 clients (GB/sec)|4.8|4.9|
|dfsio read with 990 clients (GB/sec)|10.6|11.2|
|smallJobs (sec)|73.19|69.4|
> 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
> Affects Versions: 0.16.0
> Reporter: Kurtis Heimerl
> Assignee: Tsz Wo (Nicholas), SZE
> Fix For: 0.16.0
>
> Attachments: 1298_2007-09-22_1.patch, 1298_2007-10-04_1.patch,
> 1298_20071221b.patch, 1298_20071228s.patch, hadoop-user-munncha.patch17,
> HDFSPermissionSpecification5.pdf
>
>
> 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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