[ARROW-12428] [Python] pyarrow.parquet.read_* should use pre_buffer=True

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 5.0.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/28218
• Assignee: David Li
• Reporter: David Li
• Created: 16/Apr/21 18:08
• Updated: 11/Jan/23 08:26
• Resolved: 05/May/21 07:32

Description

If the user is synchronously reading a single file, we should try to read it as fast as possible. The one sticking point might be whether it's beneficial to enable this no matter the filesystem or whether we should try to only enable it on high-latency filesystems.

Issue Links

• links to: GitHub Pull Request #10074