Re: Reducing relcache memory usage: deduping index shapes

From: David Rowley <dgrowleyml(at)gmail(dot)com>
To: Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>
Cc: Yilin Zhang <jiezhilove(at)126(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Andres Freund <andres(at)anarazel(dot)de>, David Geier <geidav(dot)pg(at)gmail(dot)com>
Subject: Re: Reducing relcache memory usage: deduping index shapes
Date: 2026-10-14 23:52:04
Message-ID: CAApHDvow3ZmzWP1veeu_XAOZ_XV697G-eLowj=fo8JMRMBRmxQ@mail.gmail.com
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On Thu, 15 Oct 2026 at 12:00, David Rowley <dgrowleyml(at)gmail(dot)com> wrote:
> I'm a little disheartened here as I see you've gone and done exactly
> what I said not to do. Maybe you didn't read the above text properly,
> or maybe you didn't understand the issue I was talking about. If it's
> the latter, then let me explain in more detail:

Please disregard the disheartened part as I just discovered I sent the
wrong patch :-(

Attached is what I meant to send. It applies to v4-0003. Now thinking
it might be less quirky to go with the
s/dlist_delete_from_thoroughly/dlist_delete_thoroughly/ fix.

David

Attachment Content-Type Size
v5-0002-fixup-MemCTX-Add-minimal-system-context-type.patch.txt text/plain 27.6 KB

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