On Wed, Jan 6, 2021 at 9:55 AM Andres Freund <and...@anarazel.de> wrote: > Vacuum performance is one of *THE* major complaints about > postgres. Making it run slower by a lot obviously exascerbates that > problem significantly. I think it'd be prohibitively expensive if it > were 1.5x, not to even speak of 15x.
+1. I am *strongly* opposed to enabling checksums by default for this reason. I think that it's a total non-starter, unless and until the overhead can be dramatically reduced. The fact that it isn't the fault of the checksum mechanism in some abstract sense is 100% irrelevant. -- Peter Geoghegan
