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Date: Mon, 20 Jul 2009 02:04:17 -0700
Message-ID: <49bf44f10907200204h697eddfek342493173ede1da4@mail.gmail.com>
Subject: Re: [gentoo-user] {OT} AMD Barcelona vs. Intel Harpertown (also 10k 
	vs 15k RPM)
From: Grant <emailgrant@gmail.com>
To: gentoo-user@lists.gentoo.org
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>> I'm trying to decide between an AMD Barcelona or an Intel Harpertown
>> quad-core CPU for a web/database server. =A0The Intel would have a 5%
>> lower clock speed. =A0I've read that Harpertown outperforms Barcelona
>> (by 20%?), but that the quad-core implementation isn't as good on the
>> Harpertown. =A0It's surprisingly difficult to get comparative benchmarks
>> on these at similar clock speeds. =A0Does anyone know which of these
>> should perform better in a web/database server? =A0I support AMD on my
>> non-critical systems, but I need performance for this server.
>>
>> I'm also trying to decide between a 2.5" 10k HD vs. a 3.5" 15k HD.
>> I've read that the 15k yields about a 20% I/O performance boost so I
>> think I'll go for it. =A0I won't be using RAID at all.
>>
>> - Grant
>
>> I won't be using RAID at all.
> If uptime is of no concern to you, then why even bother about speed?

Of course uptime is a concern, but it needs to be put into perspective.

Let's assume that without RAID, the hard drive in use fails every 3
years and causes 24 hours of downtime with good backups.  That's a
loss of .09% uptime over 3 years.  If the server makes $100,000/year
(and the same amount every day), that's a loss of $273 over 3 years.
However, my host wants $105/month for a second 15k hard drive and RAID
controller card.  The cost of that over 3 years is $3,780.

Plus I like to keep things simple and RAID is another layer to learn,
install, and maintain.  Plus RAID isn't foolproof:

http://hardware.slashdot.org/article.pl?sid=3D08/10/21/2126252&from=3Drss
http://blogs.zdnet.com/storage/?p=3D162

Any opinions on Barcelona vs. Harpertown or 10k vs. 15k?

- Grant