| From: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
|---|---|
| To: | Daniel Gustafsson <daniel(at)yesql(dot)se> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Corey Huinker <corey(dot)huinker(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jeff Davis <pgsql(at)j-davis(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, jian he <jian(dot)universality(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Stephen Frost <sfrost(at)snowman(dot)net>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, alvherre(at)alvh(dot)no-ip(dot)org |
| Subject: | Re: Statistics Import and Export |
| Date: | 2025-02-24 22:11:03 |
| Message-ID: | Z7zud38Z62z13qWo@nathan |
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| Lists: | pgsql-hackers |
On Mon, Feb 24, 2025 at 10:51:34PM +0100, Daniel Gustafsson wrote:
>> On 24 Feb 2025, at 22:33, Andres Freund <andres(at)anarazel(dot)de> wrote:
>
>> I'd go even so far to say that it's a bad idea to support unsupported
>> source versions, because it'll mean we'll practically get very very
>> little testing for those paths but claim to support them.
>
> +1. Maintaining pg_upgrade is hard enough without having to go rummaging
> through the EOL-versions filing cabinet all too often when hacking on it.
+1. FWIW I'm planning to restrict one of my proposed pg_upgrade
optimizations to upgrades from v10 or newer. Sure, I could add a ton of
complexity to support older versions, but when v18 comes out, that
restriction will only apply to users who are still running versions that
have been out-of-support for nearly 4 years. I think it's completely
reasonable to try to help users on old versions, but I also think it's
reasonable for us as developers to prioritize maintainability and
stability. And I suspect it's unlikely that any specific pg_upgrade
feature is the reason folks haven't upgraded, although I'll admit the
downtime implications might certainly be a factor.
--
nathan
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