On Thu, Apr 7, 2016 at 9:15 AM, Andres Freund <and...@anarazel.de> wrote: > It's not about "covering it up"; it's about actually being able to take > action based on benchmark results, and about practically being able to > run benchmarks. The argument above means essentially that we need to run > a significant number of pgbench runs for *anything*, because running > them 3-5 times before/after just isn't meaningful enough. > > It means that you can't separate between OS caused, and pgbench order > caused performance differences.
I'm not objecting to adding an option for this; but I think Fabien is right that it shouldn't be the default. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers