pg_upgrade prints something like this: Restoring user relation files /var/lib/postgresql/8.4/main/base/35338/37229 But it's not actually "restoring" anything, is it? Maybe "transferring" would be better? (Or copying/linking, to be more precise.)
pgsql-hackers by date:
Соглашаюсь с условиями обработки персональных данных