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https://issues.apache.org/jira/browse/HADOOP-2915?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HADOOP-2915:
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Attachment: 2915_20080305d.patch
2915_20080305d.patch:
- reimplementing FileSystem cache (but not using WeakReference)
- incorporated Owen's previous review comments
> mapred output files and directories should be created as the job submitter,
> not tasktracker or jobtracker
> ---------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-2915
> URL: https://issues.apache.org/jira/browse/HADOOP-2915
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs, mapred
> Affects Versions: 0.16.0
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Fix For: 0.16.1
>
> Attachments: 2915_20080229.patch, 2915_20080302.patch,
> 2915_20080303.patch, 2915_20080305d.patch
>
>
> Quoted from an email sending to core-dev by Andy Li:
> {quote}
> For example, assuming I have installed Hadoop with an account 'hadoop' and I
> am going to run my program with user account 'test'. I have created an input
> folder as /user/test/input/ with user 'test' and the permission is set to
> 0775.
> /user/test/input <dir> 2008-02-27 01:20 rwxr-xr-x test
> hadoop
> When I run the MapReduce code, the output I specified will be set to user
> 'hadoop' instead of 'test'.
> /bin/hadoop jar /tmp/test_perm.jar -m 57 -r 3 "/user/test/input/l"
> "/user/test/output/"
> The directory "/user/test/output/" will have the following permission and
> user:group.
> /user/test/output <dir> 2008-02-27 03:53 rwxr-xr-x hadoop
> hadoop
> {quote}
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