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https://issues.apache.org/jira/browse/HADOOP-11505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15029647#comment-15029647
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Alan Burlison commented on HADOOP-11505:
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Thanks for that [~aw], I'll respin the patch with the added OSX bits.

> hadoop-mapreduce-client-nativetask uses bswap where be32toh is needed, 
> doesn't work on non-x86
> ----------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-11505
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11505
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HADOOP-11505.001.patch, HADOOP-11505.003.patch, 
> HADOOP-11505.004.patch, HADOOP-11505.005.patch
>
>
> hadoop-mapreduce-client-nativetask fails to use x86 optimizations in some 
> cases.  Also, on some alternate, non-x86, non-ARM architectures the generated 
> code is incorrect.  Thanks to Steve Loughran and Edward Nevill for finding 
> this.



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