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https://issues.apache.org/jira/browse/ARROW-8012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney updated ARROW-8012:
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Fix Version/s: (was: 0.17.0)
1.0.0
> [C++][CI] Set CTEST_PARALLEL_LEVEL to $concurrency
> --------------------------------------------------
>
> Key: ARROW-8012
> URL: https://issues.apache.org/jira/browse/ARROW-8012
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, CI
> Affects Versions: 0.16.0
> Reporter: Ben Kietzman
> Priority: Major
> Fix For: 1.0.0
>
>
> Currently the default {{test}} target runs serially while {{unittest}}
> arbitrarily uses 4 threads. On many systems that's suboptimal. The
> environment variable {{CTEST_PARALLEL_LEVEL}} can be set to run tests in
> parallel, and we should probably have a good default for it (like the
> hardware concurrency)
> https://cmake.org/cmake/help/latest/manual/ctest.1.html
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