On Wed, Feb 2, 2011 at 10:31 AM, Torsten Zühlsdorff
<foo@meisterderspiele.de> wrote:
>> kernel.shmall = 9000000000
>> kernel.shmmax = 9000000000
>>
>> into /etc/sysctl.conf. Run "sysctl -p" to activate them. However,
>> this is a bit distribution-specific.
>
> If you're using FreeBSD you even have to restart the machine.
>
No, you do not. kern.ipc.shmall and shmmax are run-time tunables in FreeBSD.
The only postgres related settings you need a reboot to adjust are
kern.ipc.semmni and semmns.