Re: test data for query optimizer

From: Mark kirkwood <markir(at)slingshot(dot)co(dot)nz>
To: Neil Conway <nconway(at)klamath(dot)dyndns(dot)org>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: test data for query optimizer
Date: 2002-07-13 04:00:40
Message-ID: 1026532841.1268.31.camel@spikey.slithery.org
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What about the TPC-H benchmark ?

I cant recall if it has more than 10 tables, but it seemed like the
queries were "quite good" for a benchmark. In addition it comes with a
data generator.

regards

Mark
>On Sat, 2002-07-13 at 04:05, Neil Conway wrote:
> I'd like to look at the performance of the query optimizer (both the
> traditional one and GEQO) when joining large numbers of tables: 10-15,
> or more. In order to do that (and to get meaningful results), I'll
> need to work with some data that actually requires joins of that
> magnitude. Ideally, I'd like the data to be somewhat realistic -- so
> that the performance I'm seeing will reflect the performance a typical
> user might see. (i.e. I don't want an artificial benchmark)
>
>

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