Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> On this topic, see also
> https://www.postgresql.org/message-id/20160708024746.1410.57282@wrigleys.postgresql.org
I'd forgotten about that thread :-( ... but on looking at it, it's very
relevant indeed. See my followup there.
regards, tom lane