Re: Changing the default configuration (was Re:

Josh Berkus wrote:
> > > Uh ... do we have a basis for recommending any particular sets of
> > > parameters for these different scenarios? This could be a good idea
> > > in the abstract, but I'm not sure I know enough to fill in the details.
>
> Sure.
> Mostly-Read database, few users, good hardware, complex queries:
> = High shared buffers and sort mem, high geqo and join collapse thresholds,
> moderate fsm settings, defaults for WAL.
> Same as above with many users and simple queries (webserver) =
> same as above, except lower sort mem and higher connection limit
> High-Transaction Database =
> Moderate shared buffers and sort mem, high FSM settings, increase WAL files
> and buffers.
> Workstation =
> Moderate to low shared buffers and sort mem, moderate FSM, defaults for WAL,
> etc.
> Low-Impact server = current defaults, more or less.

Okay, but there should probably be one more, called "Benchmark". The
real problem is what values to use for it. :-)

--
Kevin Brown kevin(at)sysexperts(dot)com