Sam Mason <[EMAIL PROTECTED]> writes:
> On Tue, Nov 11, 2008 at 02:17:20PM -0300, Alvaro Herrera wrote:
>> shared_buffers is not the only factor to shared memory, so you need to
>> provide some extra SHMMAX slop.

> what is this "extra slop" needed for?

See table 17-2 here
http://www.postgresql.org/docs/8.3/static/kernel-resources.html#SYSVIPC

                        regards, tom lane

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