Implement batching for walsender notifications during logical cascade replication

Title

CI (CFBot)

Summary

Stats (from CFBot)

Patch version: v2, Patch count: 1, First patch: +167−2, All patches: +167−2

Topic

Replication & Recovery

Tags

Logical Replication Performance

Created

2025-08-30 23:49:36

Last modified

2025-10-19 20:33:12 (2 weeks ago)

Latest email

2025-10-26 21:03:23 (1 week ago)

Status

PG19-3 (2025-11-01 – 2025-11-30): Needs review

PG19-2 (2025-09-01 – 2025-09-30): Moved to different CF

Target version

Authors

Alexey Makhmutov (lerm)

Reviewers

Committer

Links

Emails

High CPU consumption in cascade replication with large number of walsenders: First at 2025-08-30 23:47:40 by Alexey Makhmutov <a.makhmutov at postgrespro.ru>
Latest at 2025-10-26 21:03:23 by Alexander Korotkov <aekorotkov at gmail.com>
Latest attachment (v2-0001-Implement-batching-for-WAL-records-notification-duri.patch) at 2025-09-16 15:20:31 from Alexey Makhmutov <a.makhmutov at postgrespro.ru>
Attachment (v2-0001-Implement-batching-for-WAL-records-notification-duri.patch) at 2025-09-16 15:20:31 from Alexey Makhmutov <a.makhmutov at postgrespro.ru> (Patch: Yes)
Attachment (0001-Implement-batching-for-WAL-records-notification-duri.patch) at 2025-08-30 23:47:40 from Alexey Makhmutov <a.makhmutov at postgrespro.ru> (Patch: Yes)

History

When	Who	What
2025-10-19 20:33:12	Alexey Makhmutov (lerm)	Moved from CF PG19-2 to CF PG19-3
2025-09-16 16:17:24	CFbot	Patch does not need rebase anymore
2025-09-05 12:39:18	CFbot	Patch needs rebase
2025-08-30 23:49:37	Alexey Makhmutov (lerm)	Attached mail thread 77d94649-e00c-4d56-b2e2-e9d1843131d7@postgrespro.ru
2025-08-30 23:49:36	Alexey Makhmutov (lerm)	Created patch record