Re: Issues with blocksize smaller than 8KB

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Álvaro Herrera <alvherre(at)kurilemu(dot)de>
Cc: Casey Shobe <casey(dot)allen(dot)shobe(at)icloud(dot)com>, pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: Issues with blocksize smaller than 8KB
Date: 2025-10-19 18:48:55
Message-ID: 30951.1760899735@sss.pgh.pa.us
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=?utf-8?Q?=C3=81lvaro?= Herrera <alvherre(at)kurilemu(dot)de> writes:
> On 2025-Oct-18, Tom Lane wrote:
>>> 2025-10-17 15:39:13.182 UTC [97433] DETAIL: The database cluster was initialized with RELSEG_SIZE 1895825408, but the server was compiled with RELSEG_SIZE 1895825408.

> Hmm, but how come two values that print identical result in failing the
> test that they are not equal?

Incautious use of --with-segsize could perhaps result in RELSEG_SIZE
being too big for an int ...

regards, tom lane

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