Re: 2 x quad core or 4 x dual core? - server sizing

And good morning to you.

I would go for the 2 quad core configuration for following reasons:

- Capacity per core:
I may be wrong (and I don't have time to investigate now), but as far as
I remember the newer
Intel archectures (like the Nehalem) are not available in 2-core versions.
The newer Intel CPU architectures are according to my experiences
significantly more efficient
per clock cycle than the older architectures (and I'm not talking about
10%) when using Oracle.
This higher efficiency results in the highest capacity per core I've
seen - even with the lower
clock frequency.
Staying with 2-core processors would therefore leave you with the
poorest performance
per core.

- Licensing
Using the 2 quad core configuration would allow you (assuming that there
are only 2 sockets in
the server) to use the Standard Edition One license at about 5k$ per
socket (or 10k$ in total)
Using the 4 dual core configuration would require the Standard Edition
at about 15k$ per socket
(or 60k$ in total)
The bean counters may like this :-)

If you have a need for Enterprise Edition functionality this point is of
course irrelevant.


Best regards

Martin Berg


On 01/11/2011 08:07 AM, Vladimir Barac wrote:
>
> Good morning, listers
>
>  
>
> We are currently sizing servers for new Oracle / SLES project. HP
> Proliant hardware is being considered.
>
>  
>
> Could somebody explain, with as much details as possible, which one
> would better option - server with 4 dual core Xeon CPUs or server with
> 2 quad core Xeon CPUs? The rest of the setup - memory, storage OS
> version - are same for both options.
>
>  
>
> Servers would be primarily used for OLT Oracle workload (SAP
> database). Few hundred concurrent users at peak time.
>
>  
>
> Regards,
>
> Vladimir Barac
>
>
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