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Re: Q:New CPU - any changes necessary?

From: Paul Drake <drak0nian_at_yahoo.com>
Date: 29 Jan 2004 15:16:25 -0800
Message-ID: <1ac7c7b3.0401291516.3150d941@posting.google.com>


Kenneth Koenraadt wrote in message news:<401963ea.2241783_at_news.inet.tele.dk>...
> The CPU_COUNT parameter once could be counted (!) on, but with the
> newest multithreading CPU's, at least Oracle 8.1.7 may registrate 2
> CPU's for each physical CPU.
>
> Recently, I installed 8.1.7 on a W2K machine containing 2 - and
> exactly 2 - of these multithreading CPU's. CPU_COUNT showed 4.
>
> - Kenneth Koenraadt

Blame that on the operating system.
W2K doesn't know the difference between a physical and logical processor.

C:\>echo %NUMBER_OF_PROCESSORS%
2

If the OS tells Oracle that it sees 2 cpus, Oracle will set the cpu_count = 2.

Pd

>
>
> On Thu, 29 Jan 2004 16:03:18 GMT, Brian Peasland
> <dba_at_remove_spam.peasland.com> wrote:
>
> >Oracle should automatically detect the change. But you can verify this
> >by checking the value of the CPU_COUNT parameter after you've started
> >the instance.
> >
> >HTH,
> >Brian
> >
> >Ralf Bender wrote:
> >>
> >> Hello,
> >>
> >> i want to spend a second cpu to my linux oracle server. Must I change
> >> any oracle parameter? or uses oracle the new cpu automatically?
> >>
> >> The Oracle Version is Oracle 8.1.7
> >>
> >> ralf
> >
> >--
> >===================================================================
> >
> >Brian Peasland
> >dba_at_remove_spam.peasland.com
> >
> >Remove the "remove_spam." from the email address to email me.
> >
> >
> >"I can give it to you cheap, quick, and good. Now pick two out of
> > the three"
Received on Thu Jan 29 2004 - 17:16:25 CST

Original text of this message

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