kou opened a new pull request, #36838: URL: https://github.com/apache/arrow/pull/36838
### Rationale for this change We may reduce test time by using multi-cores to install gems. ### What changes are included in this PR? `gem install` with `MAKEFLAGS=-j$(nproc)` uses multi-cores when building extension libraries. ### Are these changes tested? Yes. ### Are there any user-facing changes? No. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
