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https://issues.apache.org/jira/browse/HADOOP-11505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15281514#comment-15281514
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Amir Sanjar commented on HADOOP-11505:
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Steve, valid points but ppc build has gotten more friendly :) specially since
we shifted to use Openjdk-7&8 (with JIT) for Power :) Casing point, the entire
apache bigtop 2 stack (Hadoop 2.7.2, Spark,..) is currently getting build with
OpenJDK for Power https://ci.bigtop.apache.org/job/Bigtop-trunk-packages-ppc64le
Regarding your last comment:
"What would be good would if someone in your org got involved in helping to
test ASF builds first to make sure they are all happy, and get involved in
helping to make sure those nightly builds —and even more so, any release
candidates— are all working."
Agreed %100, count me in. How can I help? We already have a Jenkins slave setup
for Hadoop on Power, that is how we noticed this issue.
> 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
> Reporter: Colin Patrick McCabe
> Assignee: Alan Burlison
> Priority: Critical
> Fix For: 3.0.0
>
> 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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