[ARROW-8823] [C++] Compute aggregate compression ratio when producing compressed IPC body messages

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: C++
• Labels: good-first-issue pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/24966
• Assignee: Ahmet Uyar
• Reporter: Wes McKinney
• Created: 16/May/20 15:33
• Updated: 11/Jan/23 08:02
• Resolved: 07/Dec/21 19:46

Description

It would be beneficial to know the exact bytes-on-wire savings once the message has been produced. Since this computation would be relatively trivial it would not add overhead to the IPC write hot path.

Issue Links

• links to: GitHub Pull Request #11872