RE: ioug-a question

Then it depends on the workload and its quality & quantity ;=) because, the database does what it is asked to do ;)

• Kirti

-----Original Message-----
Sent: Monday, April 22, 2002 1:04 PM
To: Multiple recipients of list ORACLE-L

Well absolutely true, but then everything the database does is a symptom of the fact that we throw workload at it ;-)

"Deshpande, Kirti" wrote:

> One needs to keep in mind that Waits are the symptoms, and not a problem.
>
> - Kirti
>
> -----Original Message-----
> Sent: Monday, April 22, 2002 12:13 PM
> To: Multiple recipients of list ORACLE-L
>
> I don't think anyone who reads the original YAPP
> paper will miss this. If I recall correctly, one of
> it's opening statements is the classic formula:
>
> response time = service time plus wait time.
>
> My own mantra puts in rather less scientific terms:
>
> If you have a performance problem, either your database
> is working too hard, or it's not being allowed to work.
>
> Jonathan Lewis
> http://www.jlcomp.demon.co.uk
>
> Author of:
> Practical Oracle 8i: Building Efficient Databases
>
> Next Seminar - Australia - July/August
> http://www.jlcomp.demon.co.uk/seminar.html
>
> Host to The Co-Operative Oracle Users' FAQ
> http://www.jlcomp.demon.co.uk/faq/ind_faq.html
>
> -----Original Message-----
> |
> |Aside: In the migration to wait-based tuning, don't forget that even
> waits
> |alone don't cover everything. Service time is the other significant
> |component.
> |
>
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> Author: Deshpande, Kirti
> INET: kirti.deshpande_at_verizon.com
>
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