| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>, Noah Misch <noah(at)leadboat(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Bruce Momjian <bruce(at)momjian(dot)us>, Michael Paquier <michael(at)paquier(dot)xyz>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Shruthi Gowda <gowdashru(at)gmail(dot)com> |
| Subject: | Re: pg15b2: large objects lost on upgrade |
| Date: | 2022-08-03 21:01:29 |
| Message-ID: | 20220803210129.xeirh4kvuwuvp4jm@awork3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2022-08-03 16:46:57 -0400, Tom Lane wrote:
> Robert Haas <robertmhaas(at)gmail(dot)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
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