On Tue, Nov 16, 2021 at 3:42 PM Andres Freund <and...@anarazel.de> wrote: > On 2021-11-16 15:19:19 -0500, Robert Haas wrote: > > > Hm. I think this might included a bunch of convoluting factors that make > > > it > > > hard to judge the actual size of the performance difference. > > > > Yes, I think so, too. > > FWIW I ran that pgench thing I presented upthread, and I didn't see any > meaningful and repeatable performance difference 354a1f8d220, ad26ee28250 and > 0002 applied ontop of ad26ee28250. The run-to-run variance is way higher than > the difference between the changes.
Thanks. I suspected that the results I was seeing were not meaningful, but it's hard to be sure when the results seem to be repeatable locally. I'm still not entirely clear on whether you prefer v1-0002, v2-0002, or something else. -- Robert Haas EDB: http://www.enterprisedb.com