Re: 2021-08-12 release announcement draft

From: "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>
To: Peter Geoghegan <pg(at)bowt(dot)ie>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: 2021-08-12 release announcement draft
Date: 2021-08-11 18:23:51
Message-ID: f865ee5b-ffcc-b941-5478-4971cbab4281@postgresql.org
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On 8/11/21 1:35 PM, Peter Geoghegan wrote:
> On Wed, Aug 11, 2021 at 9:32 AM Jonathan S. Katz <jkatz(at)postgresql(dot)org> wrote:
>> Please ensure you have your feedback in no later than midnight today
>> (Aug 11) AoE[1].
>
> I think that the pg_upgrade item should say that we now avoid forcing
> an anti-wraparound VACUUM on upgrade. This was never necessary.

How about:

* `pg_upgrade` now carries forward the old installation's `oldestXID`
value, which can improve things from a performance standpoint by no
longer forcing an anti-wraparound `VACUUM`.

?

Jonathan

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