Implement batching for walsender notifications during logical cascade replication

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ID 6019
Title Implement batching for walsender notifications during logical cascade replication
CI (CFBot) Needs rebase! Needs rebase since 1 week. Failing since 1 week.
Additional links previous successfully applied patch (outdated):
Summary
Stats (from CFBot) Unknown
Topic Replication & Recovery
Tags Logical Replication Performance
Created 2025-08-30 23:49:36
Last modified 2025-08-30 23:49:37 (2 weeks ago)
Latest email 2025-09-13 09:35:35 (21 hours ago)
Status
PG19-2 (2025-09-01 – 2025-09-30): Needs review
Target version 19
Authors Alexey Makhmutov (lerm)
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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 2025-09-13 09:35:35 by Alexander Korotkov <aekorotkov at gmail.com>
Latest 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>
    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
2025-09-05 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
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