Re: optimizer_ ???

From: Wolfgang Breitling <breitliw@xxxxxxxxxxxxx>
To: niall.litchfield@xxxxxxxxx
Date: Tue, 26 Apr 2005 07:31:32 -0600

No, the assumption that every index - or even non-index - read will be a 
"physical" IO is not one of the fallacies I talk about in my "Fallacies" 
presentation.

Niall Litchfield wrote:
> On 4/26/05, Peter Alteheld <palteheld@xxxxxxxx> wrote:
> 
> That all said I do think that *if you are setting up a system* it is
> probably sensible and entirely justifiable to set OIC to some
> relatively high figure (80s or 90s) - in other words to correct one of
> (Wolfgangs?) fallacies - that every index read will be a physical IO.
> I suspect that setting system stats is the right thing to do instead
> of setting OICA.
> 

-- 
Regards

Wolfgang Breitling
Centrex Consulting Corporation
www.centrexcc.com
--
http://www.freelists.org/webpage/oracle-l

References:

RE: optimizer_ ???
From: Christian Antognini

RE: optimizer_ ???
From: Peter Alteheld

Re: optimizer_ ???
From: Niall Litchfield

Re: optimizer_ ???

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