Pro active gather schema statistics from 3 hours to 3 minutes innovation by Ahmed Jassat

1. Reducing Gather Schema stats from 3
hours to 3 minutes
Ahmed Jassat
APPS DBA
+27 76 44 11 873

2. • 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

4. 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

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

6. Apply the following patch !!

7. Run Gather Schema with Auto option

8. Results , completes in less
than 4 minutes !!!

9. • Thank You !!!
“The more proactive you are, the
less reactive you'll need to be! "
Ahmed Jassat
+27 76 44 11 873
Ahmed.jassat@yahoo.com