Re: CPU COSTING

  • From: "Jonathan Lewis" <jonathan@xxxxxxxxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Fri, 23 Apr 2004 12:54:07 +0100

Have I mentioned this before:

It's a nice feature of 10g that whenever you update
the stats (legally), Oracle saves the prior values to
a history table; and there is a dbms_stats that allows
you do to things like:
    put this table's stats back to 2:30 pm last Tuesday.

Regards

Jonathan Lewis
http://www.jlcomp.demon.co.uk

The Co-operative Oracle Users' FAQ
http://www.jlcomp.demon.co.uk/faq/ind_faq.html

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June  2004      UK - Optimising Oracle Seminar
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----- Original Message ----- 
From: "Connor McDonald" <hamcdc@xxxxxxxxxxx>
To: <oracle-l@xxxxxxxxxxxxx>
Sent: Friday, April 23, 2004 6:36 AM
Subject: Re: CPU COSTING


We run a job once per month to gather system stats for a couple of hours.
It checks to make sure
that sessions/processes are within 75% of their high water mark before
commencing to (hopefully)
ensure that the stats are representative.

Cheers
Connor


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