Hi Cameron,
Oracle can use CPU affinity on NT. <Note:108512.1>
explains steps.
regards...
--- Martin Kendall <[EMAIL PROTECTED]> wrote:
> Thanks Cameron, I will get the Unix Guy to look at
> it.
>
> Martin
>
> -----Original Message-----
> Sent: 05 April 2001 14:16
> To: Multiple recipients of list ORACLE-L
>
>
>
> This is most likely an OS issue. Forking threads
> across processors is
> handled by the OS. I know of no Oracle
> configuration to specify processor
> affinity. When I called Oracle Support on this a
> while back, they
> confirmed that there was no way to specify this.
>
> Does the processor sit idle at 0 percent
> utilization? If you are noticing
> that a non-parallelized SQL statement is utilizing a
> single processor, then
> this is normal. If you are noticing that the
> processor is completely idle
> then you probably need to address a hardware
> configuration issue.
>
> If someone knows how to specify this, please send me
> the details and I will
> post them on my Oracle Resource site for you.
>
> I hope this helps,
>
> Cameron Michelis
> www.OracleTuning.com
>
>
>
>
>
> Martin Kendall
>
> <Martin.Kendall@ To:
> Multiple recipients of
> list ORACLE-L
> Rubus.com>
> <[EMAIL PROTECTED]>
>
> Sent by: cc:
>
> [EMAIL PROTECTED] Subject:
> Making use of 2
> CPUs
>
>
>
>
> 04/05/2001 06:35
>
> AM
>
> Please respond
>
> to ORACLE-L
>
>
>
>
>
>
>
>
>
> Hi folks,
>
> I have noticed that even at 40% machine usage,
> Oracle is not using the
> second CPU on one of our servers.
>
> Any idea what the best way to get it to do that.
>
> I understood that DB_WRITER_PROCESSES > 2 was only
> worth it if you had more
> than 2 CPUs.
>
>
> ______________________________________________
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> Martin Kendall Oracle DBA
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