> The best thing is to fix the OS' ridiculously small shmem limits.
> I've got this in /etc/sysctl.conf:
>
> kern.sysv.shmmax=33554432
> kern.sysv.shmmin=1
> kern.sysv.shmmni=32
> kern.sysv.shmseg=8
> kern.sysv.shmall=8192
Dependency on the available RAM?
> and on a production DB you'd probably want shmmax and shmall
> a good bit higher.
>
> Don't forget to reboot after changing settings. Also, a
> "sysctl -a | grep shm" is a good idea to make sure it "took";
> OS X is infamously picky about these settings.
>
> regards, tom lane
A Macnerd as a core developer of Postgres? :-)
Sincerely,
Wolfgang Keller