Re: Benchmarking PG

On Dec 11, 2007 4:06 AM, Manolo _ <mac_man2005(at)hotmail(dot)it> wrote:
>
> Hi to all.
>
> I'd like to benchmark PG. I'd like to compare sorting performances (time spent, #of disk accesses, # of run produced etc) of the present Replacement Selection (external sorting) algorithm and of a refinement I'm going to implement.
>
> I'm new on PG, I just had the idea of how to possibly get better that algorithm and choosed to test it on PG since it's an open-source DBMS.
>
> I've been searching the web for a benchmark. I suppose TPC-H and Wisconsin could fit, but had problems when trying to use them.
> Any suggestion on a "good benchmark"?
> Any tutorial on how to use them?
>
> Thanks for your time.
>
> Regards.
> Manolo.
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Well, there's pgbench. http://www.postgresql.org/docs/8.3/static/pgbench.html

- Josh / eggyknap