Hi, Le sam. 7 mai 2022 à 04:36, Hasan Marzooq <engr.na...@gmail.com> a écrit :
> Hello! > > I've some questions around Backup & Restore. > > 1: Is it necessary to perform a VACUUM and REINDEXING operation after > restoring the dump from Postgres 9.6 to Postgres 13? The dump size could be > 1/2 TB to 1 TB. > > You can perform a VACUUM and an ANALYZE right after restoring, but you definitely shouldn't REINDEX. > 2: Also, are there any other operations that are recommended to perform > after pg_restore? > > I don't think you need anything else. > 3: What is the minimum required disk space if taking a dump on the same > machine where the source database exists? Is it the "size of the current > data folder x 2"? > > There's definitely no rules like that. It's impossible to know before doing it. -- Guillaume.