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Re: walsummarizer can get stuck when switching timelines - Mailing list pgsql-hackers

From Robert Haas
Subject Re: walsummarizer can get stuck when switching timelines
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Msg-id CA+TgmoZ3o__hmheSynhrY1kHhQdSUM4+UFD_tZ6EDbGAtVENmw@mail.gmail.com
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Responses Re: walsummarizer can get stuck when switching timelines
RE: walsummarizer can get stuck when switching timelines
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On Wed, Jul 15, 2026 at 4:52 AM Andrey Borodin <x4mmm@yandex-team.ru> wrote:
> I can reproduce it locally by adding an extra WAL switch on node1
> before promoting node2. It can probably be made deterministic either by
> polling pg_stat_archiver before relying on the segment (as
> 025_stuck_on_old_timeline.pl does) or by setting archive_mode=always on
> node2 (I would expect it to be a bit faster).

archive_mode=always seems like the correct fix. Here's v2.

--
Robert Haas
EDB: http://www.enterprisedb.com
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