| From: | Michael Paquier <michael(at)paquier(dot)xyz> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Aditya Kamath <Aditya(dot)Kamath1(at)ibm(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Robert Haas <robertmhaas(at)gmail(dot)com>, Srirama Kucherlapati <sriram(dot)rk(at)in(dot)ibm(dot)com>, "peter(at)eisentraut(dot)org" <peter(at)eisentraut(dot)org>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "hlinnaka(at)iki(dot)fi" <hlinnaka(at)iki(dot)fi>, "tristan(at)partin(dot)io" <tristan(at)partin(dot)io>, "postgres-ibm-aix(at)wwpdl(dot)vnet(dot)ibm(dot)com" <postgres-ibm-aix(at)wwpdl(dot)vnet(dot)ibm(dot)com> |
| Subject: | Re: AIX support |
| Date: | 2026-02-04 00:03:01 |
| Message-ID: | aYKMtRhx7zW1k62E@paquier.xyz |
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| Lists: | pgsql-hackers |
On Tue, Feb 03, 2026 at 11:33:20AM -0500, Tom Lane wrote:
> Remind me again why anyone would choose to run Postgres on this
> platform? Why are we moving mountains to make it possible?
Based on the numbers you are posting for the environment tested, I
cannot think of a sane reason that somebody would do that. That
points to the same feeling that I always have when reading this
thread: as far as I understand it is not really possible to have an
access to hardware that one could use to test any of this stuff or
even write patches to support it. If I/O is bad in any environments
where a patch is run, the time investment is moot compared to other
nix or even WIN32 environments where a full check-world usually takes
no more than 10 minutes for one branch, even on a laptop.
Saying that, I'm really glad for the report that has led to the
discovery fixed in d46aa32ea5ce. Opportunistic improvements not
specific to AIX are also good to know about: they show long-term
benefits everywhere.
--
Michael
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