From: Heikki Linnakangas <heikki@enterprisedb.com>
To: Manolo _ <mac_man2005@hotmail.it>
Cc: pgsql-performance@postgresql.org
Subject: Re: Benchmarking PG
Date: Tue, 11 Dec 2007 12:11:29 +0000
Message-ID: <475E7E71.1070701@enterprisedb.com> (raw)
In-Reply-To: <BAY112-W366D7B3E454F6A0FBBA62BE6640@phx.gbl>
References: <BAY112-W366D7B3E454F6A0FBBA62BE6640@phx.gbl>
Manolo _ wrote:
> 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?
If you want to compare sorting performance in particular, running a big
query that needs a big sort will be much more useful than a generic DBMS
benchmark like TPC-H.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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To: pgsql-performance@postgresql.org
Cc: heikki@enterprisedb.com, mac_man2005@hotmail.it
Subject: Re: Benchmarking PG
In-Reply-To: <475E7E71.1070701@enterprisedb.com>
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