Optimize shared LWLock acquisition for high-core-count systems

Title

CI (CFBot)

Summary

Stats (from CFBot)

Patch version: v1, Patch count: 1, First patch: +88−16, All patches: +88−16

Tags

Multithreading Performance

Created

2025-10-31 11:05:32

Last modified

2026-02-01 13:29:27 (2 months ago)

Latest email

2025-07-21 16:19:39 (8 months ago)

Status

PG19-Final (2026-03-01 – 2026-04-09): Needs review

PG19-4 (2026-01-01 – 2026-01-31): Moved to different CF

PG19-3 (2025-11-01 – 2025-11-30): Moved to different CF

Target version

Authors

Zhiguo Zhou (zhiguozhou)

Reviewers

Committer

Links

Emails

Optimize shared LWLock acquisition for high-core-count systems: First at 2025-05-30 11:30:39 by "Zhou, Zhiguo" <zhiguo.zhou at intel.com>
Latest at 2025-07-21 16:19:39 by "Zhou, Zhiguo" <zhiguo.zhou at intel.com>
Latest attachment (v1-0001-Optimize-shared-LWLock-acquisition-for-high-core-cou.patch) at 2025-07-21 16:19:39 from "Zhou, Zhiguo" <zhiguo.zhou at intel.com>

Attachment (v1-0001-Optimize-shared-LWLock-acquisition-for-high-core-cou.patch) at 2025-07-21 16:19:39 from "Zhou, Zhiguo" <zhiguo.zhou at intel.com> (Patch: Yes)
    Attachment (v1-0001-Optimise-LWLockAttemptLock-by-separate-SHARED-and.patch) at 2025-07-09 07:56:34 from Yura Sokolov <y.sokolov at postgrespro.ru> (Patch: Yes)
    Attachment (0001-Optimize-shared-LWLock-acquisition-for-high-core-cou.patch) at 2025-05-30 11:30:39 from "Zhou, Zhiguo" <zhiguo.zhou at intel.com> (Patch: Yes)

History

When	Who	What
2026-02-01 13:29:27	Zhiguo Zhou (zhiguozhou)	Moved from CF PG19-4 to CF PG19-Final
2025-12-30 13:49:39	Zhiguo Zhou (zhiguozhou)	Moved from CF PG19-3 to CF PG19-4
2025-10-31 11:30:17	Zhiguo Zhou (zhiguozhou)	Changed tags to Multithreading, Performance
2025-10-31 11:05:32	Zhiguo Zhou (zhiguozhou)	Attached mail thread 73d53acf-4f66-41df-b438-5c2e6115d4de@intel.com
2025-10-31 11:05:32	Zhiguo Zhou (zhiguozhou)	Created patch record