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https://issues.apache.org/jira/browse/HADOOP-11505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14290233#comment-14290233
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Colin Patrick McCabe commented on HADOOP-11505:
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bq. So I think a more clean way to fix this is to define ntoh32 and noth64
properly(use bit shift rather than assembly should be OK for modern compilers)
based on BYTE_ORDER macro, and replace all bswap.
Thanks for that context, Binglin. I'll update the patch..
> hadoop-mapreduce-client-nativetask fails to use x86 optimizations in some
> cases
> -------------------------------------------------------------------------------
>
> 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-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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