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?
