On Fri, Oct 13, 2017 at 4:49 PM, David Rowley <david.row...@2ndquadrant.com> wrote: > tps = 8282.481310 (including connections establishing) > tps = 8282.750821 (excluding connections establishing)
vs. > tps = 8520.822410 (including connections establishing) > tps = 8521.132784 (excluding connections establishing) > > With the patch we are making use of the extended statistics, which we > do expect to be more work for the planner. Although, we didn't add > extended statistics to speed up the planner. Sure, I understand. That's actually a pretty substantial regression - I guess that means that it's pretty important to avoid creating extended statistics that are not needed, at least for short-running queries. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
