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

Why not go with 2*6core instead since server price will be pretty much saem
(just license will be diff), and gives you 50% capacity?

On Tue, Jan 11, 2011 at 5:13 PM, gabi draghici <[email protected]>wrote:

> In addition to what Martin said (although the second point alone would be
> enogh ;) ) don't forget the size of shared cache level 3 wich is bigger for
> the quads !
>
> Best regards
>
> D. Gabriel
>
> On Tue, Jan 11, 2011 at 10:59 AM, Martin Berg <[email protected]> wrote:
>
>> 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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-- 
Regards
Zhu Chao

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