Lonni J Friedman <lfriedman(at)vasoftware(dot)com> writes:
> I read somewhere a while ago that the upper value of max_connections is
> hardcoded at compile time, and that it can only be reduced via the
> configuration file. Is this true, or did i misunderstand?
You misunderstood.
There once was a compile-time upper limit on max_connections, but that
vanished quite some time ago; and even back then it was substantially
larger than most people used.
regards, tom lane