On Fri, 2021-03-19 at 22:15 +0800, Julien Rouhaud wrote: > I disagree. The point of that field is to help users configuring > pg_stat_statements.max, as evictions have a huge overhead in many > workloads. > > If users remove entries for some reasons, we don't have to give the > impression > that pg_stat_statements.max is too low and that it should be > increased, > especially since it requires a restart. > Ok. But when we are collecting aggregated statistics on pg_stat_statememts periodically it would be great to know about every deallocation happened. Maybe we need to add another counter for manual deallocations tracking?
