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Oracle Enterprise Manager Cloud Control 12c: Managing Data Center Chaos

You're reading from   Oracle Enterprise Manager Cloud Control 12c: Managing Data Center Chaos Take back control of your data center with this practical step-by-step tutorial to using Oracle Enterprise Manager. Real-life examples and case studies help you manage rationally rather than through day-to-day firefighting.

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Product type Paperback
Published in Dec 2012
Publisher Packt
ISBN-13 9781849684781
Length 394 pages
Edition 1st Edition
Languages
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Author (1):
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PORUS HOMI HAVEWALA PORUS HOMI HAVEWALA
Author Profile Icon PORUS HOMI HAVEWALA
PORUS HOMI HAVEWALA
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Table of Contents (19) Chapters Close

Oracle Enterprise Manager Cloud Control 12: Managing Data Center Chaos
Credits
About the Author
Acknowledgements
About the Reviewers
www.PacktPub.com
Preface
1. Chaos at Data Centers 2. Enter Oracle Cloud Control FREE CHAPTER 3. Ease the Chaos with Performance Management 4. Ease the Chaos with Configuration Management and Security Compliance 5. Ease the Chaos with Automated Provisioning 6. Ease the Chaos with Automated Patching 7. Ease the Chaos with Change Management 8. Ease the Chaos with Test Data Management 9. Ease the Chaos with Data Masking 10. Ease the Chaos with Exadata Management 11. Real-life Examples and Case Studies, and It's a Wrap: The Future is the Cloud Index

Doctor in the database


What is also important is that the database home page shows the latest ADDM findings. This is a proactive diagnostics engine that runs every hour by default on the database, and generates a list of recommendations.

Clicking on the ADDM Findings button takes you to the last ADDM Performance Analysis page, which is displayed in the following screenshot:

Informational findings are also shown. ADDM lets you know if the database is CPU-bound or I/O-bound, it lets you know of hard/soft parse issues, top SQL statements impacting the database, any locking issues, and so on.

ADDM is also RAC aware and informs you if there are any networking/interconnect or database configuration issues affecting the performance of the RAC database. For example, improper database sequence usage can have a severe performance impact on such active/active databases.

You can run ADDM at any time by going to Performance | Advisors Home on the menu and then selecting ADDM from the list of advisors available...

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