On 27/03/2019 22:28, Peter Eisentraut wrote: > On 2019-03-26 16:28, Euler Taveira wrote: >> I don't remember why we didn't consider table without stats to be >> ANALYZEd. Isn't it the case to fix autovacuum? Analyze >> autovacuum_count + vacuum_count = 0? > > When the autovacuum system was introduced, we didn't have those columns. > But now it seems to make sense that a table with autoanalyze_count + > analyze_count = 0 should be a candidate for autovacuum even if the write > statistics are zero. Obviously, this would have the effect that a > pg_stat_reset() causes an immediate autovacuum for all tables, so maybe > it's not quite that simple.
Not just pg_stat_reset() but also on promotion. -- Vik Fearing +33 6 46 75 15 36 http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support