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https://issues.apache.org/jira/browse/HADOOP-4546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12677527#action_12677527
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Chris Douglas commented on HADOOP-4546:
---------------------------------------

At this point we typically wait for Hudson to run its tests, but the queue is 
[disabled|http://hudson.zones.apache.org/hudson/view/Hadoop/job/Hadoop-Patch] 
for some reason, so I verified on my my machine:
{noformat}
     [exec] -1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 3 new or 
modified tests.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning 
messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number 
of javac compiler warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs 
warnings.
     [exec] 
     [exec]     +1 Eclipse classpath. The patch retains Eclipse classpath 
integrity.
     [exec] 
     [exec]     -1 release audit.  The applied patch generated 797 release 
audit warnings (more than the trunk's current 796 warnings).
{noformat}
I've no idea why this generated a release audit warning. The diff mentions 
something in the docs, which shouldn't be affected by the patch. The new unit 
test has a license header... I think it's spurious.

I'm running the unit tests now. All the core and HDFS tests have passed, so I 
expect this can go in today.

> Minor fix in dfs to make hadoop work in AIX
> -------------------------------------------
>
>                 Key: HADOOP-4546
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4546
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.18.0, 0.19.0
>         Environment: AIX 
>            Reporter: Arun Venugopal
>            Assignee: Bill Habermaas
>         Attachments: 4546-1.patch, 4546-2.patch, dfs_aix_fix.patch, 
> hadoop-4546.patch, TestDFVariations.java
>
>
> HDFS uses df command to get the disk space. The output format of df command 
> is different in AIX compared to Linux and Solaris. Checking the OS type and 
> then reading the df output as per the format will fix this issue and thus 
> allows hadoop to be fully functional in AIX environment.

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