Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Mailing Lists -> Oracle-L -> RE: how to set optimizer_index_cost_adj and cache parameters?

RE: how to set optimizer_index_cost_adj and cache parameters?

From: Cary Millsap <cary.millsap_at_hotsos.com>
Date: Thu, 25 Mar 2004 09:11:33 -0600
Message-ID: <01a801c4127b$7916ef00$13fea8c0@CVMLAP02>


I agree. Following the procedure listed below reminds me of how difficult it would be to take the lug bolts off a car wheel with the wheel spinning at 1000rpm.

Cary Millsap
Hotsos Enterprises, Ltd.
http://www.hotsos.com
* Nullius in verba *

Upcoming events:
- Performance Diagnosis 101: 3/23 Park City, 4/6 Seattle, 5/7 Dallas - SQL Optimization 101: 3/29 Dallas, 4/19 Denver, 5/3 Boston, 5/24 San Diego
- Hotsos Symposium 2005: March 6-10 Dallas - Visit www.hotsos.com for schedule details...

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Jared Still Sent: Thursday, March 25, 2004 9:06 AM
To: Oracle-L Freelists
Subject: Re: how to set optimizer_index_cost_adj and cache parameters?

IIRC, the best option is to leave them alone.

Jared

On Thu, 2004-03-25 at 05:23, Juan Cachito Reyes Pacheco wrote:
> Hi,
>
> After reading a lot about this, this is my conclusion, do you agree?
>
> the conclusion seems to be gather system statics from every distinct
process
> or group of process, and set manually this values in every one of
them.
>
> If this process is by time, for example night and day, you can use
alter
> system parameter,
> if this is only for ap articular process you will have to set alter
session.
>
> And set the value.
> This seems to be a hard work.
>
> regards,
>
>
> ----------------------------------------------------------------
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> ----------------------------------------------------------------
> To unsubscribe send email to: oracle-l-request_at_freelists.org
> put 'unsubscribe' in the subject line.
> --
> Archives are at http://www.freelists.org/archives/oracle-l/
> FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html
> -----------------------------------------------------------------



Please see the official ORACLE-L FAQ: http://www.orafaq.com

To unsubscribe send email to: oracle-l-request_at_freelists.org put 'unsubscribe' in the subject line.
--
Archives are at http://www.freelists.org/archives/oracle-l/
FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html
-----------------------------------------------------------------

----------------------------------------------------------------
Please see the official ORACLE-L FAQ: http://www.orafaq.com
----------------------------------------------------------------
To unsubscribe send email to:  oracle-l-request_at_freelists.org
put 'unsubscribe' in the subject line.
--
Archives are at http://www.freelists.org/archives/oracle-l/
FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html
-----------------------------------------------------------------
Received on Thu Mar 25 2004 - 09:14:04 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US