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From: Thomas Munro <[email protected]>
To: Justin Pryzby <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Andrew Dunstan <[email protected]>
Cc: [email protected]
Cc: Noah Misch <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: Anastasia Lubennikova <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Melanie Plageman <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: Daniel Gustafsson <[email protected]>
Cc: samay sharma <[email protected]>
Subject: Re: CI and test improvements
Date: Thu, 2 Feb 2023 14:02:25 +1300
Message-ID: <CA+hUKG+kFpXfCsJQPJApkk7WrBFYYSao0V8q+cj88KQBV8XYRQ@mail.gmail.com> (raw)
In-Reply-To: <CA+hUKGL=z6-kU80nPTjWqV=Xo=mpM36Lca=ngTr4LqcCf=tHzQ@mail.gmail.com>
References: <[email protected]>
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On Fri, Dec 30, 2022 at 4:59 PM Thomas Munro <[email protected]> wrote:
> On Wed, Nov 23, 2022 at 11:57 AM Justin Pryzby <[email protected]> wrote:
> > [PATCH 03/10] cirrus/macos: update to macos ventura
>
> I don't know any reason not to push this one too, but it's not time critical.

Some observations:

* macOS has a new release every year in June[1]
* updates cease after three years[1]
* thus three releases are in support (by that definition) at a time
* we need an image on Cirrus; 13 appeared ~1 month later[2]
* we need Homebrew support; 13 appeared ~3 months later[3]
* we have 13 and 12 in the buildfarm, but no 11
* it's common for developers but uncommon for servers/deployment

So what should our policy be on when to roll the CI image forward?  I
guess around New Year/now (~6 months after release) is a good time and
we should just do it.  Anyone got a reason why we should wait?  Our
other CI OSes have slower major version release cycles and longer
lives, so it's not quite the same hamster wheel of upgrades.

[1] https://en.wikipedia.org/wiki/MacOS_version_history#Releases
[2] https://github.com/orgs/cirruslabs/packages?tab=packages&q=macos
[3] https://brew.sh/2022/09/07/homebrew-3.6.0/

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