Re: improving handling of FPIs during recovery prefetching

From: Jan Nidzwetzki <jan(at)planetscale(dot)com>
To: shihao zhong <zhong950419(at)gmail(dot)com>, Tomas Vondra <tomas(at)vondra(dot)me>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Jeremy Schneider <schneider(at)ardentperf(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
Subject: Re: improving handling of FPIs during recovery prefetching
Date: 2026-11-11 11:18:57
Message-ID: ab109ef7-8904-4c68-9873-784297440490@planetscale.com
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Hi Shihao,

On 10.11.26 16:57, shihao zhong wrote:

> Thanks for finding the race. I changed the test the way you
> suggested, and take the end LSN from pg_switch_wal().

Thanks for the updated TAP test. The v3 test passes reliably here, also
with extra WAL written after pg_switch_wal(). Looks good to me.

Best regards
Jan

--
Jan Nidzwetzki
PlanetScale

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