Re: [GENERAL] Optimizations for busy DB??

On Thu, 13 May 1999, Brett W. McCoy wrote:

> On Thu, 13 May 1999, Brian wrote:
>
> > Would something like this be appropriate?
> >
> > /usr/bin/postmaster -B 256 -i -S -D/var/lib/pgsql -o -F -B 256 -S 1024
> >
> > or should -B just be in their once? in the postmaster setting?
>
> Just once. If you pass it back to a backend from the postmaster, the
> postmaster handles the allocation as shared memory buffers. Here's what
> the man page for postgres says:
>
> -B n_buffers
> If the backend is running under the postmaster,
> n_buffers is the number of shared-memory buffers
> that the postmaster has allocated for the backend
> server processes that it starts. If the backend is
> running standalone, this specifies the number of
> buffers to allocate. This value defaults to 64,
> and each buffer is 8k bytes.
>
> I am assuming here, of course, that this didn't change betwen 6.3 and 6.4
> (which is what I am using).

ok, so then I am assuming:

/usr/bin/postmaster -B 256 -i -S -D/var/lib/pgsql -o -F -S 1024

is what I would want...............

>
> Brett W. McCoy
> http://www.lan2wan.com/~bmccoy
> -----------------------------------------------------------------------
> "A raccoon tangled with a 23,000 volt line today. The results blacked
> out 1400 homes and, of course, one raccoon."
> -- Steel City News
>

-----------------------------------------------------
Brian Feeny (BF304) signal(at)shreve(dot)net
318-222-2638 x 109 http://www.shreve.net/~signal
Network Administrator ShreveNet Inc. (ASN 11881)