On Thu, Mar 31, 2022 at 6:43 PM Peter Geoghegan <p...@bowt.ie> wrote: > > The only way the conveyor belt system has any > > value is if we think that there is some set of circumstances where the > > heap scan is separated in time from the index vacuum, such that we > > might sometimes do an index vacuum without having done a heap scan > > just before. > > I agree.
But in http://postgr.es/m/ca+tgmoa6kveeurtyeoi3a+ra2xuynwqmj_s-h4kun6-bkmm...@mail.gmail.com (and the messages just before and just after it) we seemed to be agreeing on a design where that's exactly what happens. It seemed like a good idea to me at the time, but now it seems like it's a bad idea, because it involves using the conveyor belt in a way that adds no value. Am I confused here? -- Robert Haas EDB: http://www.enterprisedb.com
