Re: Q: Is Xeon really fast?

It's level 5. Does anybody know how it helps for Oracle or MS SQL?

Thanks.

txm

nasof_at_hotmail.com wrote in message <743iae$l86$1_at_nnrp1.dejanews.com>...
>If I am correct, I think you're right about no. 2 below. This is because
 the
>Xeon processors have an integrated L2 cache whereas the other PII's do not.
>Until the Xeon, companies (like Compaq, Dell, etc..) where selling the
>Pentium Pro's for servers because the had an integrated L2 cache which left
>them faster than the higher MHz PII processors.
>
>As far as "will it help?" My believe is the first way to tune an NT
 machine
>is to through as much memory and CPU (speed & #'s) at it. It certainly
 cant
>hurt.
>
>For no. 3 below, RAID can help disk performance or it can hurt it.
 depending
>upon what RAID level you choose. For example RAID 0 will speed up your
 disk
>usage, but it will provide no fault tolerance. RAID 5 is slow with writes,
 but
>yields good performance for reads. Do a web or newsgroup search
>(www.dejanews.com is good) for RAID and research for yourself.
>
>-Frank
>> Hi, all
>>
>> The company is thinking to buy quad 400 or 450 Xeon computer with RAID,
>> which will cost $23,000, to run our software. Our software is a
 application
>> server running on NT4, which heavily drives database. We support Oracle7
 and
>> MS SQL6.5. When we run it on PII300 with a (relatively) good SCSI card
 and
>> disks, it seems to be partially disk(database) and partially CPU
 intensive.
>> It does not use huge memory. If we try it on PII450(though we have not),
 I
>> think it'll be more disk intensive.
>>
>> My question is: Does Xeon help this situation? In the other words, is it
>> worth?
>>
>> My understanding of the differences between PII and Xeon are:
>>
>> 1. Xeon supports up to 4 multiprocessors.
>> 2. Xeon's L2 cache is faster than PII.
>> 3. I do not think RAID helps performance-wise.
>>
>> Does anybody have any good or bad experiences with Xeon? Personally,
 since
>> it's more database intensive, I do not think PII and Xeon will have much
>> differences even if we have quad Xeon. And Xeon costs much much more.
>>
>> Thank you in advance.
>>
>> txm
>>
>>
>
>-----------== Posted via Deja News, The Discussion Network ==----------
>http://www.dejanews.com/ Search, Read, Discuss, or Start Your Own
Received on Wed Dec 02 1998 - 00:00:00 CST