"Anne M. Hammond" <hammond@lcd.Colorado.EDU> writes:
> However, when the server SHMMAX is smaller than the size required
> by the defaults for shared_buffers and max_connections, I have
> not been able to find a way (other than the above), to tell
> initdb to use a nondefault values.
Well, initdb is just a shell script in 7.4, so it's not that hard
to edit it to try even-smaller values for max_connections and/or
shared_buffers. I stand by my comment that performance is going to
suck though, and you may even run into "out of buffers" failures.
regards, tom lane