Reducing Gather Schema stats from 3 hours to 3 minutes

Ahmed Jassat APPS DBA +27 76 44 11 873

• Who am I ?

Ahmed Jassat has over 12 years of experience in working as an Oracle APPS DBA; he has done numerous implementations in the financial services, mining, manufacturing, information technology and healthcare sectors. He works as being Pro-active is improving customer experience in the Oracle Ebus suite. Ahmed is a member of the Oracle customer advisory board and has presented at the SAOUG 2011. He has mentored and trained clients around South Africa. Ahmed’s white papers have been recognized globally and he has been interviewed by Oracle Media network, Oracle Customer success and Oracle Advanced customer services. He is passionate on being PRO-Active and resolving issues before they occur

Challenge !!!

• Gather Schema Stats takes 3 hours to run• No users can work while it runs• Uses a lot of CPU • On the development server every instance

runs it, that mean high CPU usage • SYSADMIN request • Required for performance• 24 X 7 environment

Challenge !!! Gather Schema stats takes 3 hours !!

Apply the following patch !!

Run Gather Schema with Auto option

Results , completes in less than 4 minutes !!!

• Thank You !!!

Ahmed Jassat+27 76 44 11 873Ahmed.jassat@yahoo.com

“The more proactive you are, the less reactive you'll need to be! "