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  1. Apache Arrow
  2. ARROW-8012

[C++][CI] Set CTEST_PARALLEL_LEVEL to $concurrency

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    Details

    • Type: Improvement
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 0.16.0
    • Fix Version/s: None
    • Component/s: C++, CI, Continuous Integration
    • Labels:
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      Description

      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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            • Assignee:
              Unassigned
              Reporter:
              bkietz Ben Kietzman
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              • Created:
                Updated: