From: | Joe Conway <mail(at)joeconway(dot)com> |
---|---|
To: | Andres Freund <andres(at)anarazel(dot)de>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Melanie Plageman <melanieplageman(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: First draft of PG 17 release notes |
Date: | 2024-05-16 12:09:56 |
Message-ID: | c276a2e5-a7ef-410d-832e-6fe54137e86d@joeconway.com |
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Lists: | pgsql-hackers |
On 5/15/24 23:48, Andres Freund wrote:
> On 2024-05-15 10:38:20 +0200, Alvaro Herrera wrote:
>> I disagree with this. IMO the impact of the Sawada/Naylor change is
>> likely to be enormous for people with large tables and large numbers of
>> tuples to clean up (I know we've had a number of customers in this
>> situation, I can't imagine any Postgres service provider that doesn't).
>> The fact that maintenance_work_mem is no longer capped at 1GB is very
>> important and I think we should mention that explicitly in the release
>> notes, as setting it higher could make a big difference in vacuum run
>> times.
>
> +many.
>
> We're having this debate every release. I think the ongoing reticence to note
> performance improvements in the release notes is hurting Postgres.
>
> For one, performance improvements are one of the prime reason users
> upgrade. Without them being noted anywhere more dense than the commit log,
> it's very hard to figure out what improved for users. A halfway widely
> applicable performance improvement is far more impactful than many of the
> feature changes we do list in the release notes.
many++
> For another, it's also very frustrating for developers that focus on
> performance. The reticence to note their work, while noting other, far
> smaller, things in the release notes, pretty much tells us that our work isn't
> valued.
agreed
--
Joe Conway
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com
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