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https://issues.apache.org/jira/browse/SPARK-32892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean R. Owen resolved SPARK-32892.
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Fix Version/s: 3.1.0
Resolution: Fixed
Issue resolved by pull request 29762
[https://github.com/apache/spark/pull/29762]
> Murmur3 and xxHash64 implementations do not produce the correct results on
> big-endian platforms
> -----------------------------------------------------------------------------------------------
>
> Key: SPARK-32892
> URL: https://issues.apache.org/jira/browse/SPARK-32892
> Project: Spark
> Issue Type: Bug
> Components: Spark Core, SQL
> Affects Versions: 3.0.1
> Reporter: Michael Munday
> Assignee: Michael Munday
> Priority: Minor
> Labels: big-endian
> Fix For: 3.1.0
>
>
> The Murmur3 and xxHash64 implementations in Spark do not produce the correct
> results on big-endian systems. This causes test failures on my target
> platform (s390x).
> These hash functions require that multi-byte chunks be interpreted as
> integers encoded in *little-endian* byte order. This requires byte reversal
> when using multi-byte unsafe operations on big-endian platforms.
> I have a PR ready for discussion and review.
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