On Thu, 2025-03-20 at 23:48 +0100, Dimitrios Apostolou wrote: > Performance issues: (important as my db size is >5TB) > > * WAL writes: I didn't manage to avoid writing to the WAL, despite having > setting wal_level=minimal. I even wrote my own function to ALTER all > tables to UNLOGGED, but failed with "could not change table T to > unlogged because it references logged table". I'm out of ideas on this > one.
You'd have to create an load the table in the same transaction, that is, you'd have to run pg_restore with --single-transaction. > Any feedback for improving my process? Should I put these ideas somewhere > as ideas for improvement on pg_restore? You put your ideas in the right place. Yours, Laurenz Albe