"Zeugswetter Andreas SB SD" <ZeugswetterA@spardat.at> writes:
> I still think, that for best results the vacuums should happen continuously
> for single pages based on a hook in wal or the buffer manager.
Not possible unless you are willing to have SELECTs grab much stronger
locks than they do now (viz, the same kind of lock that VACUUM does).
regards, tom lane