Archive for September, 2015

HOW TO: Analyzing and Interpreting AWR Report

Wednesday, September 30th, 2015

Hello

Today I wanted to share with you my personal approach for how to get into the details on AWR Report and where to see and where should be our attention. Keep in mind just two main focuses : the Application and the Database instance

1) Application: Most of the times you should go directly to review how was the SQL statements Performance. That is MANDATORY and the result of your analysis will be the classic TOP 10 SQL with the worst performance. That should be called : Oracle Application’s Performance Tuning .

2) Instance: read once, twice or three times the AWR looking for issues. What kind of issues or metrics ?

For example here I have  a Conclusion and Workaround for one database instance issue regarding performance :

1) Tuning recommendations for PROD-ACME  database instance: