On lör, 2011-09-24 at 13:04 -0400, Tom Lane wrote:
> > What if we modified pg_ctl to allow passing configuration parameters
> > through to postmaster,
>
> You mean like pg_ctl -o?
Note that pg_ctl -o saves the parameters it uses and reapplies them
after a restart. So this is not really the way to apply parameter
settings only once for recovery. (Or at least it has the potential to
be a very confusing way.)