Julien Rouhaud <rjuju123@gmail.com> writes:
> On Fri, May 14, 2021 at 3:12 AM Bruce Momjian <bruce@momjian.us> wrote:
>> I was surprised it was ~2%.
> Just to be clear, the 2% was a worst case scenario, ie. a very fast
> read-only query on small data returning a single row. As soon as you
> get something more realistic / expensive the overhead goes away.
Of course, for plenty of people that IS the realistic scenario that
they care about max performance for.
regards, tom lane