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https://issues.apache.org/jira/browse/HADOOP-11505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16191476#comment-16191476
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Allen Wittenauer commented on HADOOP-11505:
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At one point in time, the jenkins servers had access to a PPC box. I had daily
builds working and was going towards getting a precommit test setup. Then IBM
signed the deal with Hortonworks to support HDP on PPC. So I pretty much
stopped working on it since I assumed that HW would be spending it's
considerable resources on it rather than what I could offer as a lowly
volunteer. i.e., my time was better spent elsewhere. Almost 3 months ago,
access to the PPC box was lost. I have no idea what sort of support HW is
putting towards PPC. I'm guessing zero, given I haven't seen anything
non-Linux/x86 come out of there.
(I just did a quick test on the other PPC box that Jenkins has access to. It
is lacking docker, so that's pretty much a no go.)
> Various native parts use bswap incorrectly and unportably
> ---------------------------------------------------------
>
> Key: HADOOP-11505
> URL: https://issues.apache.org/jira/browse/HADOOP-11505
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.0.0-alpha1
> Reporter: Colin P. McCabe
> Assignee: Alan Burlison
> Attachments: HADOOP-11505.001.patch, HADOOP-11505.003.patch,
> HADOOP-11505.004.patch, HADOOP-11505.005.patch, HADOOP-11505.006.patch,
> HADOOP-11505.007.patch, HADOOP-11505.008.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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