On Tue, Aug 24, 2021 at 12:43:20PM -0400, Bruce Momjian wrote: > Yes, it is a trade-off. If we had pg_upgrade create the new cluster, > the pg_upgrade instructions would be simpler, but pg_upgrade would be > more complex since it has to adjust _everything_ properly so pg_upgrade > works --- I never got to that point, but I am willing to explore what > would be required.
One other issue --- the more that pg_upgrade preserves, the more likely pg_upgrade will break when some internal changes happen in Postgres. Therefore, if you want pg_upgrade to preserve something, you have to have a good reason --- even code simplicity might not be a sufficient reason. -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com If only the physical world exists, free will is an illusion.