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Re: 8.0beta5 results w/ dbt2

From: "Michael Paesold" <mpaesold(at)gmx(dot)at>
To: "Mark Wong" <markw(at)osdl(dot)org>, <pgsql-hackers(at)postgresql(dot)org>,<testperf-general(at)pgfoundry(dot)org>
Subject: Re: 8.0beta5 results w/ dbt2
Date: 2004-11-30 07:34:20
Message-ID: 00b601c4d6af$0285a3b0$0a01a8c0@zaphod (view raw or flat)
Thread:
Lists: pgsql-hackers
Mark Wong wrote:


>I have some initial results using 8.0beta5 with our OLTP workload.
> Off the bat I see about a 23% improvement in overall throughput.  The
> most significant thing I've noticed was in the oprofile report where
> FunctionCall2 and hash_seq_search have moved down the profile a bit.
>
> Also, I have libc with symbols now so we can see what it's doing with
> in the oprofile output.
>
> 8.0beta5 results:
> http://www.osdl.org/projects/dbt2dev/results/dev4-010/199/
> throughput: 4076.97
>
> 8.0beta4 results:
> http://www.osdl.org/projects/dbt2dev/results/dev4-010/191/
> throughput: 3323.07


Is it possible that there are some other differences effecting the result?
At "Table Blocks Read" there is a "history" table in #191, but it does not 
show up in #199. Just a thought,... but can you explain, Mark?

Best Regards,
Michael 


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