Re: First draft of PG 19 release notes

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>
Subject: Re: First draft of PG 19 release notes
Date: 2026-11-07 02:44:43
Message-ID: au6Qm3xTkh8JfrQI@momjian.us
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On Mon, Nov 2, 2026 at 01:42:44PM -0800, Masahiko Sawada wrote:
> I've pushed a fix (8628df8891a) for how parallel vacuum computes the
> cost-based vacuum delay. As I mentioned in the commit message, while
> the fix corrects the delay computation, it could make VACUUM with the
> PARALLEL option and cost-based delay enabled slower after upgrading to
> v19. I think it's worth mentioning this in the release notes so that
> users can re-tune the cost-based delay parameters. I've attached the
> patch to add the item to the "Migration to Version 19" section. Please
> review it.

I have slightly reworded the patch and applied it, attached, thanks.

--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com

Do not let urgent matters crowd out time for investment in the future.

Attachment Content-Type Size
REL_19_STABLE.diff text/x-diff 1.2 KB

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