Re: The ability of postgres to determine loss of files of the main fork

From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
To: Frits Hoogland <frits(dot)hoogland(at)gmail(dot)com>, Aleksander Alekseev <aleksander(at)tigerdata(dot)com>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: The ability of postgres to determine loss of files of the main fork
Date: 2025-10-01 13:39:04
Message-ID: 083a4d75ab127a603743058bce26e79ba793494e.camel@cybertec.at
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On Wed, 2025-10-01 at 13:58 +0200, Frits Hoogland wrote:
> I am proposing the database to have the ability to detect when it has missing segments.

Just a random idea: one solution would be if each segment has a flag that indicates
if that is the last segment or not. But that would break the on-disk storage format,
unless there is room left for an extra flag somewhere in the current layout.

Yours,
Laurenz Albe

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