Dave Cramer <pg@xxxxxxxxxxxxx> writes: > On 16-Nov-06, at 7:03 PM, Brian Wipf wrote: >> Has anyone else noticed this limitation on OS X? Any ideas on how I >> might get shared_buffers higher than 284263? > My guess is something else has taken shared memory ahead of you. OS X > seems to be somewhat strange in how it deals with shared memory. Try > allocating more to shmmax ? Look in "ipcs -m -a" output to check this theory. (I am glad to see that ipcs and ipcrm are finally there in recent OS X releases --- awhile back they were not, leaving people to fly entirely blind while dealing with issues like this :-() regards, tom lane