[ARROW-3620] [Python] Document multithreading options in Sphinx and add to api.rst

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.12.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/19930
• Assignee: Antoine Pitrou
• Reporter: Wes McKinney
• Created: 26/Oct/18 10:10
• Updated: 11/Jan/23 07:28
• Resolved: 19/Dec/18 22:15

Description

I was looking for these functions (like cpu_count) in api.rst and did not find them

Issue Links

• links to: GitHub Pull Request #3224