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RE: How to Identify the Proper Values for Resources ??

From: Reddy, Madhusudana <Madhusudana.Reddy_at_bestbuy.com>
Date: Tue, 08 Apr 2003 13:08:49 -0800
Message-ID: <F001.0057D56B.20030408130849@fatcity.com>


Thanks Stephane & Dick,

Would you help me in identifying the right statname ( v$sesstat ) for the below list of resources

> CPU_PER_CALL
> CPU_PER_SESSION
> LOGICAL_READS_PER_CALL
> LOGICAL_READS_PER_SESSION
Thanks
Madhu

-----Original Message-----
Sent: Tuesday, April 08, 2003 2:29 PM
To: Multiple recipients of list ORACLE-L

"Reddy, Madhusudana" wrote:
>
> Hi List,
> I have a task at hand to create a profile with the following resources with some limits ,
> CPU_PER_CALL
> CPU_PER_SESSION
> LOGICAL_READS_PER_CALL
> LOGICAL_READS_PER_SESSION
>
> I wanted to set the above resources to some proper values , What is the best way to set them ?? Many of you already implemented this, please share them with us
>
> Thanks In Advance,
> Madhu Reddy
>

What should be your daily calory intake? Well, basically it depends on a lot of things, age, sex, activity ... I presume that your aim is to let 'reasonable' processes run unimpaired and limit 'unreasonable' ones. But 'reasonable' depends on a lot of different things. A badly written query can easily issue several hundred more logical reads than the same query written properly. Should the end-user suffer the consequences of the incompetence of developers? I don't believe so. I think that the best you can do is probe V$SESSION_STATISTICS regularly to see what the relevant values are for most of your users, and set the limit at twice that.

-- 
Regards,

Stephane Faroult
Oriole Software
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Stephane Faroult
  INET: sfaroult_at_oriole.com

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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Reddy, Madhusudana
  INET: Madhusudana.Reddy_at_bestbuy.com

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Received on Tue Apr 08 2003 - 16:08:49 CDT

Original text of this message

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