Re: Tuning configuration

On Dec 4, 2007, at 11:17 AM, Konrad Neuwirth wrote:

> Hello,
>
> I have a hopefully simple question.  I've found documentation about
> the meanings of the various variables in postgres.conf -- if it comes
> to memory consumption and buffer size.  I've also found hints as to
> making them too large decreases performance.  But -- how can I measure
> how well the current settings fit? Are there tables to watch on how
> quickly things like temp tables get written out to disk vs. being held
> in memory?  We'd like to find an appropriate size for our database,
> but can't even yet say if we're in the right ballpark on a machine
> that has RAM to spare still.
>
> What can I look into?

What version of postgres are you using?  8.3 (currently in beta) has
facilities for tracking temp file creation.

Erik Jones

Software Developer | Emma®
erik@myemma.com
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