[ARROW-8152] [C++] IO: split large coalesced reads into smaller ones

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Won't Do
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/24356
• Assignee: Unassigned
• Reporter: David Li
• Created: 18/Mar/20 18:31
• Updated: 11/Jan/23 07:58
• Resolved: 12/May/21 17:29

Description

We have a facility to coalesce small reads, but remote filesystems may also benefit from splitting large reads to take advantage of concurrency.

Issue Links

• relates to: ARROW-7995 [C++] IO: coalescing and caching read ranges