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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

Top activity


At any point in time, it is possible to go to Performance | Top Activity and display a view of the top SQL statements as well as top sessions. You can drag the highlighted bar to select the particular time required.

This screen looks similar to the drilldown from the Average Active Sessions section on the performance home page. However, the difference is that all the wait events can be seen against the time in this graph, on the Top Activity page. This data is fully sourced from the ASH information in the database. The text in the following screenshot may not be fully readable, but it has been included for the purpose of illustration:

Another difference is the presence of the Run ASH Report button on this page. This allows you to generate an ASH report for a period as small as one minute. The beauty of ASH is that it allows you to examine database activity that happened in any small period of time you select.

Enterprise Manager Cloud Control 12c also allows you to examine the...

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