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Re: Vacuum ERRORs out considering freezing dead tuples from before OldestXmin - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Vacuum ERRORs out considering freezing dead tuples from before OldestXmin
Date
Msg-id CA+TgmoY9cRdNv0s3mu7RBJ5BtCzR50FhRVosxQnr+37_vAz3_w@mail.gmail.com
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In response to Re: Vacuum ERRORs out considering freezing dead tuples from before OldestXmin  (Andres Freund <andres@anarazel.de>)
Responses Re: Vacuum ERRORs out considering freezing dead tuples from before OldestXmin
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On Tue, Jun 25, 2024 at 9:07 AM Andres Freund <andres@anarazel.de> wrote:
> It's not hard - but it has downsides. It'll mean that - outside of vacuum -
> we'll much more often not react to horizons going backwards due to
> hot_standby_feedback. Which means that hot_standby_feedback, when used without
> slots, will prevent fewer conflicts.

Can you explain this in more detail?

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

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