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From: Greg Smith <greg@2ndquadrant.com>
To: Scott Marlowe <scott.marlowe@gmail.com>
Cc: Bob Dusek <redusek@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: performance config help
Date: Mon, 11 Jan 2010 17:04:08 -0500
Message-ID: <4B4BA058.4070703@2ndquadrant.com> (raw)
In-Reply-To: <dcc563d11001111019p11aa8ca4p850213df48e6ad39@mail.gmail.com>
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	<61039b861001110842g15bb1f26jc50b6e6762e01427@mail.gmail.com>
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	<dcc563d11001111019p11aa8ca4p850213df48e6ad39@mail.gmail.com>

Scott Marlowe wrote:
> So, I took a break from writing and searched for some more info on the
> 74xx series CPUs, and from reading lots of articles, including this
> one:
> http://www.anandtech.com/cpuchipsets/intel/showdoc.aspx?i=3414
> It seems apparent that the 74xx series if a great CPU, as long as
> you're not memory bound.
>   

This is why I regularly end up recommending people consider Intel's 
designs here so often, the ones that use triple-channel DDR3, instead of 
any of the AMD ones.  It's extremely easy to end up with a memory-bound 
workload nowadays, at which point all the CPU power in the world doesn't 
help you anymore.

-- 
Greg Smith    2ndQuadrant   Baltimore, MD
PostgreSQL Training, Services and Support
greg@2ndQuadrant.com  www.2ndQuadrant.com

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