One technical problem is the WAL records changes to "shared" relations (stuff li...

		macdice on Jan 29, 2023 \| parent \| context \| favorite \| on: Features I'd Like in PostgreSQL One technical problem is the WAL records changes to "shared" relations (stuff like the catalogues of databases and users that are global to the whole "cluster", not just one database), and those are mixed up with changes to per-database objects (ie most WAL activity).

Other database engines solve this using phase commits.