Re: Performance suggestions for an update-mostly database?

And obviously make sure you're vacuuming frequently.

On Mon, Oct 04, 2004 at 10:38:14AM -0700, Josh Berkus wrote:
> Steve,
>
> > I'm used to performance tuning on a select-heavy database, but this
> > will have a very different impact on the system. Does anyone have any
> > experience with an update heavy system, and have any performance hints
> > or hardware suggestions?
>
> Minimal/no indexes on the table(s). Raise checkpoint_segments and consider
> using commit_siblings/commit_delay if it's a multi-stream application.
> Figure out ways to do inserts instead of updates where possible, and COPY
> instead of insert, where possible. Put your WAL on its own disk resource.
>
> I'm a little curious as to what kind of app would be 95% writes. A log?
>
> --
> Josh Berkus
> Aglio Database Solutions
> San Francisco
>
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