I'm not positive, but I'm pretty sure you still pay by power units. a 4
x 200Mhz costs the same as a 1 x 800Mhz.
I agree to some extent, but fewer and faster should not be a hard and
fast rule. There are other things to consider, like how many concurrent
cpu intensive processes are running on the system. On a single cpu
system, it only takes 1 bad query to hog the entire system, with 2 cpus,
they can only suck up 50% of it at most...and can your application
benefit from parallelism?
-----Original Message-----
Sent: Thursday, April 18, 2002 3:44 PM
To: Multiple recipients of list ORACLE-L
I may be blowing smoke out my back side but here is my opinion: Fewer
and Faster
Reasons:
I think Oracle has started to license by cpu instead of the power units
thing. So if it is cpu number, then fewer and faster is cheaper.
Oracle also "was" and may still be licensing based on maximum box
capacity. So if you have 2 machines that are both 4 way (4 cpu's
installed), but machine one max'es at a 4 way and the second machine
max'es at a 10 way, you pay more for each license on the 10 way than the
4 way even thought the 10 way is using just 4 cpu's. Doesn't make much
sense to me but that's how pricing worked last fall.
>From an OS level, when cpu's are added it's a diminishing return issue.
So historically a "4 x 800mhz" is faster than a "8 x 400mhz".
Brian P. MacLean
Oracle DBA, OCP8i
YTTRI Lisa
<lisa.yttri@cn To: Multiple recipients of
list ORACLE-L <[EMAIL PROTECTED]>
h.com> cc:
Sent by: Subject: Number of CPUs vs.
Speed of CPUs
[EMAIL PROTECTED]
om
04/18/02 08:58
AM
Please respond
to ORACLE-L
We are in the process of sizing a new server for multiple Oracle
instances. What factors are useful as input in determining how many CPUs
and the relative speed of them? For example, do we want fewer, faster
CPUs or do we want more, slower CPUs? Are there any good guidelines to
determine what the number of CPUs should be?
Thanks in advance -
Lisa
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