On 2022-08-03 16:46:57 -0400, Tom Lane wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
> > Or we could disable autovacuum on the new cluster, which I think is a
> > better solution. I like it when things match exactly; it makes me feel
> > that the universe is well-ordered.
>
> Again, this seems to me to be breaking the test's real-world applicability
> for a (false?) sense of stability.
Yea, that doesn't seem like an improvement. I e.g. found the issues around
relfilenode reuse in 15 due to autovacuum running in the pg_upgrade target
cluster. And I recall other bugs in the area...
Greetings,
Andres Freund
