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https://issues.apache.org/jira/browse/HADOOP-2191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12568403#action_12568403
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Hadoop QA commented on HADOOP-2191:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12375432/Hadoop-2191_4.patch
against trunk revision 619744.

    @author +1.  The patch does not contain any @author tags.

    tests included +1.  The patch appears to include 3 new or modified tests.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new javac compiler 
warnings.

    release audit +1.  The applied patch does not generate any new release 
audit warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1786/testReport/
Findbugs warnings: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1786/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1786/artifact/trunk/build/test/checkstyle-errors.html
Console output: 
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1786/console

This message is automatically generated.

> dfs du and dus commands differ from POSIX standards
> ---------------------------------------------------
>
>                 Key: HADOOP-2191
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2191
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.15.1, 0.16.0
>            Reporter: Mukund Madhugiri
>            Assignee: Mahadev konar
>         Attachments: Hadoop-2191_1.patch, Hadoop-2191_2.patch, 
> Hadoop-2191_4.patch
>
>
> Assuming the dfs commands follow POSIX standards, there are some problems 
> with the DFS du and dus commands. I compared the DFS output with that of RHEL 
> 4u5
> 1. du a file/directory that does not exist:
> Linux: du: cannot access `something': No such file or directory
> DFS: Found 0 items
> 2. dus a file/directory that does not exist:
> - Linux: du: cannot access `something': No such file or directory
> - DFS:  /something      0

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