westonpace opened a new pull request, #36622: URL: https://github.com/apache/arrow/pull/36622
### Rationale for this change To document an existing environment variable that was not documented. ### What changes are included in this PR? Adds a documentation section for this environment variable. ### Are these changes tested? No, there are only docs. ### Are there any user-facing changes? New documentation -- 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: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org