On Fri, Apr 23, 2021 at 7:53 PM Andres Freund <and...@anarazel.de> wrote: > I mainly suggested it because to me the current seems hard to > understand. I do think it'd be better to check more often. But checking > depending on the amount of dead tuples at the right time doesn't strike > me as a good idea - a lot of anti-wraparound vacuums will mainly be > freezing tuples, rather than removing a lot of dead rows. Which makes it > hard to understand when the failsafe kicks in.
I'm convinced -- decoupling the logic from the one-pass-not-two pass case seems likely to be simpler and more useful. For both the one pass and two pass/has indexes case. -- Peter Geoghegan
