1 Oracle Enterprise Manager Slides from Dominic Gélinas CIS

11/19/ Overview What is Oracle Enterprise Manager? Main Features Optimization Features Strengths Weaknesses Conclusion References

11/19/ Monitoring Tool  Monitors CPU, Memory, Disk usage  Sends notifications & alerts for critical conditions Analysis Tool  Analyzes configurations, SQL statements, and applications  Gives suggestions for improving performance Administration Tool  Job scheduling  Account management Oracle Enterprise Manager

11/19/ Oracle Enterprise Manager

11/19/ What is Oracle Enterprise Manager?

11/19/ Main Features Database Management  Analyze problem SQL statements  Monitor DB health Application Server Management  Monitor AS components & status  Monitor real-time performance Host Management  Analyze process CPU and memory usage Grid Management

11/19/ Optimization Features Gather Statistics  Usage statistics for the SQL optimizer Reorganize Objects  Reorganizes indices and tables to improve performance SQL Tuning  Identifies problematic SQL statements and provides suggestions for fixing them.

11/19/ Gather Statistics Step 1 – Introduction Step 2 – Collect, Estimate, or Delete Statistics Step 3 – Object Selection Step 4 – Schedule Job Step 5 – Review

11/19/ Gather Statistics – Step 1

11/19/ Gather Statistics – Step 2

11/19/ Gather Statistics – Step 3

11/19/ Gather Statistics – Step 4

11/19/ Gather Statistics – Step 5

11/19/ Reorganize Objects Step 1 – Select Object Type Step 2 – Select Objects Step 3 – Reorganization Options Step 4 – Impact Report Step 5 – Schedule Job Step 6 – Review

11/19/ Reorganize Objects – Step 1

11/19/ Reorganize Objects – Step 2

11/19/ Reorganize Objects – Step 3

11/19/ Reorganize Objects – Step 4

11/19/ Reorganize Objects – Step 5

11/19/ SQL Tuning Step 1 – Top SQL, Select SQL to Analyze Step 2 – Schedule Job Step 3 – View Results Step 4 – Recommendations

11/19/ SQL Tuning – Step 1

11/19/ SQL Tuning – Step 2

11/19/ SQL Tuning – Step 3

11/19/ SQL Tuning – Step 4

11/19/ Strengths Nice Wizards Graphs Recommendations & Advice Excellent Online Help Web Based Interface – Accessible Anywhere Comprehensive Set of Tools Grid Management

11/19/ Weaknesses Runs from the Oracle Application Server AS is CPU & Memory Hog  AMD Athlon XP 2200+, 512 MB  Java processes seem to be the cause Poor User Interface Organization  Difficult to find specific tools  Difficult to view things like schemas, tables, objects, etc…

11/19/ Conclusion Good Tool for Experienced Users  Lots of features  Everything under one roof  Steep learning curve Oracle Enterprise Manager is not a tool for application developers, it is a tool for DBAs  Focus is on tuning & maintaining database  Can be helpful to find & fix performance issues in deployed applications Practically Requires Dedicated Server

11/19/ References  Oracle Enterprise Manager Metric Reference Manual (696 pages)  Oracle Enterprise Manager Concepts (108 pages)  Oracle Enterprise Manager Advanced Configuration (206 pages)  Oracle Enterprise Manager Grid Control Installation and Basic Configuration (66 pages)  Oracle Enterprise Manager Managing Oracle Collaboration Suite (78 pages) Oracle Enterprise Manager Online Help Pat Keegan, DBA at General Dynamics C4 Systems PowerPoint, Paper, and Screenshots posted at