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Date: Fri, 10 Apr 2026 16:44:07 +0800
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Subject: Re: Compress prune/freeze records with Delta Frame of Reference
 algorithm
To: Andrey Borodin <x4mmm@yandex-team.ru>, Andres Freund <andres@anarazel.de>
Cc: Tomas Vondra <tomas@vondra.me>,
 PostgreSQL Hackers <pgsql-hackers@postgresql.org>
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From: Evgeny Voropaev <evgeny.voropaev@tantorlabs.com>
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> Evgeny, do you know of any cases when the patch has negative effect?
>
> I think if it’s strictly non-negative - then we can just weight complexity of maintaining
> the proposed approach against benefits.

Andrey, during my research and testing I haven't encountered any
negative effects from this patch on the WAL size.