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Re: Large (8M) cache vs. dual-core CPUs

From: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
To: Scott Marlowe <smarlowe(at)g2switchworks(dot)com>
Cc: mark(at)mark(dot)mielke(dot)cc, Bill Moran <wmoran(at)collaborativefusion(dot)com>,pgsql-performance(at)postgresql(dot)org
Subject: Re: Large (8M) cache vs. dual-core CPUs
Date: 2006-04-26 22:09:29
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
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(at)pervasive(dot)com
Pervasive Software    work: 512-231-6117
vcard:       cell: 512-569-9461

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