Copyright © 2009 Rolta International, Inc., All Rights Reserved ID#: S307988 Centralize Your Automatic Workload Repository Data for Better Analysis Michael.

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Presentation transcript:

Copyright © 2009 Rolta International, Inc., All Rights Reserved ID#: S Centralize Your Automatic Workload Repository Data for Better Analysis Michael R. Messina, Management Consultant Rolta-TUSC, Oracle Open World 2009 (30 min)

Introduction Michael Messina Management Consultant with TUSC Background includes Performance Tuning, High Availability and Disaster Recovery Using Oracle for approximately 16 years

Challenges Comparing and Analyzing AWR Data Between Databases Single point of entry for AWR data in the Enterprise Maintaining AWR Snapshot Data locally for Long Periods of Time Comparing and Analyzing AWR Data Between Time Periods Stretched over months and/or years Maintaining AWR Snapshot Data locally for Long Periods of Time

Agenda Central AWR Architecture Creating a Central AWR Repository Extracting AWR Data Loading AWR Data into Central AWR Repository Maintaining Central AWR Snapshots Using Central AWR Repository for Analysis Reports from Central AWR Repository Database Versions Tested Demo Application Express Front End Example Questions

Architecture

Creating Central AWR Repository – Requires Oracle Database 10g or Above 11g Recommended – Local file system on each node with a database for AWR Extracts. – Local file system on the node that houses the Central AWR Repository Database. – Network Connectivity between the Central AWR database and the databases within your enterprise. – Central AWR Processes

Extracting AWR Data Database Link Oracle Database Directory CREATE DIRECTORY ….. Stored Procedure Utilizes Oracle Packaged Procedure dbms_swrf_internal Extracts using data pump Scheduled Procedure execution using DBMS_SCHEDULER Extracts to a dump file on a local file system Transfers dump file to Central AWR Loading Location DBMS_FILE_TRANSFER

Loading AWR Data into Central AWR Repository – Oracle Directory for Central AWR load file space CREATE DIRECTORY ……. – Stored Procedure Utilizes DataPump dump files from extract procedure Utilizes Internal Oracle Packages – DBMS_BACKUP_RESTORE – UTL_FILE – dbms_swrf_internal – Loads files found place in the Central AWR load file space

Maintaining Central AWR Snapshots – Determine criteria for keeping AWR Snapshot data globally Easily Customized to control for each database Based on # of days to keep – PL/SQL Stored Procedure Utilizes existing AWR Snapshot Purge Procedure – dbms_workload_repository – Scheduled via Oracle Scheduler DBMS_SCHEDULER

Using Central AWR Repository for Analysis Keep multiple years worth of AWR Snapshot Data Run AWR Reports for many snapshot periods over longer periods of time. Run AWR Compare Reports, week over week, month over month, Quarter over Quarter or Year over Year. Compare AWR snapshot periods between 2 databases

Reports from Central AWR Repository AWR Report Accept DBID to focus on database to run report for

Reports from Central AWR Repository AWR Compare Report AWR Accepts 2 DBIDs for comparison, can be same DBID for 2 Snapshot periods to be compared or 2 different DBIDs to compare 2 snapshot periods from 2 different databases.

Database Versions Tested Database 10gR2 Database 11gR1 Database 11gR2 Beta

Demo Application Express Front End Example

Questions/Discussion THANK YOU Any Further Questions? Come see me Rolta-TUSC Booth # 1021 Moscone South