On Wed, 2022-04-20 at 23:06 +0000, senor wrote: > I'm apparently needing an education on how this "to avoid wraparound" vacuum differs from > any other. I've seen it referenced as "more aggressive" but I'd like details. The difference is twofold, as far as I know: - it will not skip any pages just because it happens not to get a lock on them - it will refuse to die if the lock it holds on the table conflicts with a user lock Unless you are in the habit of taking strong locks on the table, you shouldn't notice a difference. Anti-wraparound VACUUM is a routine activity and does not interfere with DML, just like a normal VACUUM. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com
