On Fri, Mar 8, 2024 at 5:01 AM Matthias Apitz <guru@unixarea.de> wrote:
The other option (pg_upgrade) we never used.
You really should give this a shot. Much easier, and orders of magnitude faster with the --link option. It should work fine even with a custom-compiled postgres (really, as long as pg_dump can still read things and core changes are not radical). Try it and see.