> To quickly find out a subset of slow queries on your production system, you
> can use the pgfouine tool:
> http://pgfouine.projects.postgresql.org/
>
> If you then want to make some measurements of PostgreSQL performances with
> some different settings and compare them, consider using the tsung tool (and
> may be tsung-ploter companion tool to graph several benchs onto the same
> charts for comparing purpose):
> http://pgfouine.projects.postgresql.org/tsung.html
> http://tsung.erlang-projects.org/
> http://debian.dalibo.org/unstable/
Thanks for all the links! I'll check these out when I get back to work.