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RE: Global Stats

From: Deshpande, Kirti <kirti.deshpande_at_verizon.com>
Date: Thu, 30 Jan 2003 04:19:42 -0800
Message-ID: <F001.0053E530.20030130041942@fatcity.com>


Hi Gopal,
 Thanks for the information.

 I was not aware of this.

 Regards,

-----Original Message-----

From:	K Gopalakrishnan [mailto:kaygopal_at_YAHOO.COM]
Sent:	Thu 1/30/2003 1:03 AM
To:	Multiple recipients of list ORACLE-L
Cc:	
Subject:	RE: Global Stats

Hi Kirti:

THe algorithm is slightly differnt in 9i. In 8i SMON queries the dictionary (dba_tab_modifications) in once in 3 hours to get the stale stats, and then the stats are flushed to the dictionary from the SGA and the dictionary is updated . The operation is reverse in 9i. THe stats are written to dictionary from SGA once in 15 minutes and then the tables are examined to get the stale stats.

Metalink note 102334.1 has some details..

Best Regards,
K Gopalakrishnan
Bangalore, INDIA


Have a nice day !!

Best Regards,
K Gopalakrishnan,
Bangalore, INDIA.
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: K Gopalakrishnan
  INET: kaygopal_at_yahoo.com

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Received on Thu Jan 30 2003 - 06:19:42 CST

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