[IGNITE-12452] Dump pages from checkpoint buffer with higher priority.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.6
• Fix Version/s: 2.9
• Component/s: data structures
• Release Note: Improved checkpoint logic to write checkpoint buffer pages first to avoid throttling
• Assignee: Evgeny Stanilovsky
• Reporter: Evgeny Stanilovsky
• Created: 16/Dec/19 09:58
• Updated: 24/Dec/19 15:25
• Resolved: 24/Dec/19 15:25

Description

Current default throttling algorithm make throttling enable decision based on checkpoint buffer full fill, in this approach possible long throttling waiting pauses. I suggest to dump pages from cpBuf in upper priority in this case.

Issue Links

• links to: GitHub Pull Request #7145