Re: Lowering the default wal_blocksize to 4K

From: Andy Pogrebnoi <andrew(dot)pogrebnoi(at)percona(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: pgsql-hackers(at)postgresql(dot)org, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Robert Haas <robertmhaas(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>
Subject: Re: Lowering the default wal_blocksize to 4K
Date: 2026-07-22 15:31:05
Message-ID: CA+aWR132j=zxOCRBub8QE+jm6rfA=SehGeeDY9f2enHGLpf5yQ@mail.gmail.com
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Greetings

On Wed, Mar 25, 2026 at 4:04 PM Andres Freund <andres(at)anarazel(dot)de> wrote:

> Unfortunately not much has happened on that front. But in the course of the
> investigation I discovered the gcc flag "fpch-deps". I think we should
> inject
> that in our build, if supported by the compiler. I don't really see a
> downside
> and it does avoid the issue at hand, based on my experiments.
>

The CI test seems like have passed [1] after committing the "fpch-deps"
build changes [2]
Do we need anything else to move this forward?

[1]
https://github.com/postgresql-cfbot/postgresql/actions/runs/29929341221/job/88955204178
[2]
https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=cf9d76d78d69aa0b11a50a50b31aa83506304cac

---
Cheers,
Andy

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