Re: Slow Performance - Mailing list pgsql-admin

From Gavin M. Roy
Subject Re: Slow Performance
Date
Msg-id 39F5ECFB.422F7BFD@readysetnet.com
Whole thread Raw
In response to Slow Performance  ("Gavin M. Roy" <gmr@readysetnet.com>)
Responses Re: Slow Performance
List pgsql-admin
Am looking here:
http://www.postgresql.org/devel-corner/docs/admin/runtime-config.htm

but not seeing anything on shared memory.  Do you know the configuration
option for this?

Gavin

Alfred Perlstein wrote:

> * Gavin M. Roy <gmr@readysetnet.com> [001024 11:09] wrote:
> > I have a monster db server, with 2 gigs of memory all for PostgresQL
> > 7.0.2.  The machine is a PIII - 800 Zeon with 10,000 RPM SCSI drives.  I
> > have a database with about 8 tables with over 1.5 Million rows.  It's
> > running slower than I like when running simple sql queries on one and
> > two tables.  When I look at postgres I notice it's only using 80 megs.
> >
> > 1) Would increasing the memory postgresql is using increase performance?
> >
> > Here's my current command line:
> > /usr/local/pgsql/bin/postmaster -S -D /usr/local/pgsql/data -i -o '-F'
> > -B 2048 -N 1024 &
>
> Yes, try running a shared memorry segment of at least 256 megs.
>
> > 2) Are there any other suggestions to how I run Postgresql to increase
> > my performance issues?
>
> Make sure you periodically do a 'vacuum analyze' on the tables and
> make sure you have proper indexing.
>
> --
> -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
> "I have the heart of a child; I keep it in a jar on my desk."


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