Michal Nowakiewicz created ARROW-12830:
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Summary: [C++][Compute] Make GroupBy optimizations work on Big
Endian architecture
Key: ARROW-12830
URL: https://issues.apache.org/jira/browse/ARROW-12830
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Affects Versions: 4.0.0
Reporter: Michal Nowakiewicz
Fix For: 5.0.0
This is related to ARROW-12010, which introduces optimized group by
implementation.
On s390x (big endian architecture) the code hangs in unit tests
([https://travis-ci.com/github/apache/arrow/jobs/506281680).]
Currently this implementation is disabled on big endian and the alternative,
earlier, implementation is used instead, but at some point we will stop
maintaining both and switch to a single implementation, which requires fixing
this issue.
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