"Simon Riggs" <simon(at)2ndquadrant(dot)com> writes:
> Should we have a pgmon process that watches the postmaster
> and restarts it if required?
I doubt it; in practice the postmaster is *very* reliable (because it
doesn't do much), and so I'm not sure that adding a watchdog is going to
increase the net reliability of the system. The sorts of things that
could take out the postmaster are likely to take out a watchdog too.
regards, tom lane