Re: Exit walsender before confirming remote flush in logical replication

Andrey Silitskiy <a.silitskiy@postgrespro.ru>

From: Andrey Silitskiy <a.silitskiy@postgrespro.ru>

To: "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>

Cc: Vitaly Davydov <v.davydov@postgrespro.ru>, "Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>, "Takamichi Osumi (Fujitsu)" <osumi.takamichi@fujitsu.com>, "sawada.mshk@gmail.com" <sawada.mshk@gmail.com>, "michael@paquier.xyz" <michael@paquier.xyz>, "peter.eisentraut@enterprisedb.com" <peter.eisentraut@enterprisedb.com>, "dilipbalaut@gmail.com" <dilipbalaut@gmail.com>, "andres@anarazel.de" <andres@anarazel.de>, "amit.kapila16@gmail.com" <amit.kapila16@gmail.com>, Kyotaro Horiguchi <horikyota.ntt@gmail.com>, Peter Smith <smithpb2250@gmail.com>, Greg Sabino Mullane <htamfids@gmail.com>, Alexander Korotkov <aekorotkov@gmail.com>, Fujii Masao <masao.fujii@gmail.com>

Date: 2026-02-01T19:52:36Z

Lists: pgsql-hackers

Attachments

v6-0001-Introduce-a-new-GUC-wal_sender_shutdown_mode.patch (text/x-patch) patch v6-0001

 > Thanks for the review!
 > Updated the patch based on your comments.Fixed cfbot documentation 
error. Regards, Andrey Silitskiy

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Avoid blocking indefinitely while finishing walsender shutdown
- c0b24b32b0d3 19 (unreleased) landed
Add wal_sender_shutdown_timeout GUC to limit shutdown wait for replication
- a8f45dee9176 19 (unreleased) landed
pg_upgrade: Add --copy option
- 746915c68669 16.0 cited
Prevent possibility of panics during shutdown checkpoint.
- c6c333436491 10.0 cited
Support clean switchover.
- 985bd7d49726 9.4.0 cited