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From: Jim C. Nasby <jnasby@pervasive.com>
To: Scott Marlowe <smarlowe@g2switchworks.com>
Cc: mark@mark.mielke.cc, Bill Moran <wmoran@collaborativefusion.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Large (8M) cache vs. dual-core CPUs
Date: Wed, 26 Apr 2006 17:09:29 -0500
Message-ID: <20060426220929.GY97354@pervasive.com> (raw)
In-Reply-To: <1146065238.23538.261.camel@state.g2switchworks.com>
References: <20060425141435.6c8c163c.wmoran@collaborativefusion.com>
	<1145990018.23538.234.camel@state.g2switchworks.com>
	<20060425183817.GA9241@mark.mielke.cc>
	<1145990551.23538.244.camel@state.g2switchworks.com>
	<20060426005440.GA12711@mark.mielke.cc>
	<20060426011701.GB12711@mark.mielke.cc>
	<1146065238.23538.261.camel@state.g2switchworks.com>

On Wed, Apr 26, 2006 at 10:27:18AM -0500, Scott Marlowe wrote:
> If you haven't actually run a heavy benchmark of postgresql on the two
> architectures, please don't make your decision based on other
> benchmarks.  Since you've got both a D920 and an X2 3800, that'd be a
> great place to start.  Mock up some benchmark with a couple dozen
> threads hitting the server at once and see if the Intel can keep up.  It

Or better yet, use dbt* or even pgbench so others can reproduce...
-- 
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461



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