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Re: Again, Solaris or Linux for RAC

From: DA Morgan <damorgan_at_psoug.org>
Date: Sun, 28 Oct 2007 11:45:34 -0700
Message-ID: <1193597132.146301@bubbleator.drizzle.com>


Robert Klemme wrote:
> On 26.10.2007 22:36, Mladen Gogala wrote:

>> For DW, I would consider RAC. Have in mind that PC machines are not 
>> true minicomputers and have hard times with large I/O loads.> Also, 
>> cheapo
>> disk arrays like Xiotech cannot handle high data loads like EMC, 
>> Hitachi or IBM Shark. SUN minicomputers are far better at handling 
>> high I/O loads
>> then any Linux box.

>
> That's what they used to say but is it still true? I would believe that
> modern PC systems (not the cheap ones) yield at least similar throughput
> as Solaris boxes - but at a significantly lower price. This would not
> be surprising given the number of players in the field and the amount of
> research put into either one. I believe I saw a performance benchmark
> where a high end PC was significantly faster than a Sparc machine but
> unfortunately I cannot reproduce the URL.
>
> Cheers
>
> robert

For the most part this is not true if you have the same CPU, same bus speed, etc.

What is often the case is that desktop PCs have a 133MHz bus while the server motherboards are 266MHz or higher.

-- 
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu (replace x with u to respond)
Puget Sound Oracle Users Group
www.psoug.org
Received on Sun Oct 28 2007 - 13:45:34 CDT

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