Anton Shepelev <anton(dot)txt(at)gmail(dot)com> writes:
>> What extensions do you have installed?
> Nothing much:
> db=# show shared_preload_libraries;
> shared_preload_libraries
> ---------------------------
> online_analyze, plantuner
Never heard of either of those, but just from the names, they sound
like they might be things that would take it on themselves to fool
with your stats-collection settings. I'd check their code for
something close to
SetConfigOption("track_counts", ..., PGC_S_OVERRIDE);
regards, tom lane