In response to Bob Dusek :
> Hello,
>
> We're running Postgres 8.4.2 on Red Hat 5, on pretty hefty hardware...
>
> 4X E7420 Xeon, Four cores (for a total of 16 cores)
> 2.13 GHz, 8M Cache, 1066 Mhz FSB
> 32 Gigs of RAM
> 15 K RPM drives in striped raid
>
> Things run fine, but when we get a lot of concurrent queries running, we see a
> pretty good slow down.
>
> We don't have much experience with this sort of hardware. Does anyone have an
> example config file we could use as a good starting point for this sort of
> hardware?
Have you tuned your postgresql.conf? (memory-parameter)
Here are some links for you:
15:07 < akretschmer> ??performance
15:07 < rtfm_please> For information about performance
15:07 < rtfm_please> see http://revsys.com/writings/postgresql-performance.html
15:07 < rtfm_please> or http://wiki.postgresql.org/wiki/Performance_Optimization
15:07 < rtfm_please> or http://www.depesz.com/index.php/2007/07/05/how-to-insert-data-to-database-as-fast-as-possible/
HTH, Andreas
--
Andreas Kretschmer
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