| From: | Rod Taylor <pg(at)rbt(dot)ca> |
|---|---|
| To: | Brian Hirt <bhirt(at)mobygames(dot)com> |
| Cc: | Jason Coene <jcoene(at)gotfrag(dot)com>, 'Postgresql Performance' <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Hardware upgrade for a high-traffic database |
| Date: | 2004-08-11 21:50:10 |
| Message-ID: | 1092261009.16087.101.camel@jester |
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| Thread: | |
| Lists: | pgsql-performance |
On Wed, 2004-08-11 at 17:31, Brian Hirt wrote:
> On Aug 11, 2004, at 3:18 PM, Jason Coene wrote:
> >
> > I'm wondering why our PG server is using so little memory... The
> > system has
> > 2GB of memory, though only around 200MB of it are used. Is there a PG
> > setting to force more memory usage towards the cache? Additionally,
> > we use
> > FreeBSD. I've heard that Linux may manage that memory better, any
> > truth
> > there? Sorry if I'm grabbing at straws here :)
> >
>
> i don't know about freebsd, but linux is very aggressive about using
> unused memory for disk cache. we have dedicated linux box running pg
Aggressive indeed.. I'm stuck with the version that has a tendency to
swap out active processes rather than abandon disk cache -- it gets very
annoying!
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