"Gnanakumar" <gnanam@zoniac.com> writes:
> I'm also seeing a weird thing. If I do 'show stats_start_collector;' inside
> psql, it says 'off'.
Yeah, this is the expected state if the collector fails to start for
some reason. Look into the postmaster log for a startup-time message
indicating why; but again, I'll bet on problems creating its UDP socket.
regards, tom lane