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Oracle Database 12c Backup and Recovery Survival Guide

You're reading from   Oracle Database 12c Backup and Recovery Survival Guide A comprehensive guide for every DBA to learn recovery and backup solutions

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Product type Paperback
Published in Sep 2013
Publisher Packt
ISBN-13 9781782171201
Length 440 pages
Edition 1st Edition
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Toc

Table of Contents (22) Chapters Close

Oracle Database 12c Backup and Recovery Survival Guide
Credits
About the Author
Acknowledgement
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
1. Understanding the Basics of Backup and Recovery 2. NOLOGGING Operations FREE CHAPTER 3. What is New in 12c 4. User-managed Backup and Recovery 5. Understanding RMAN and Simple Backups 6. Configuring and Recovering with RMAN 7. RMAN Reporting and Catalog Management 8. RMAN Troubleshooting and Tuning 9. Understanding Data Pump 10. Advanced Data Pump 11. OEM12c and SQL Developer Scenarios and Examples – A Hands-on Lab Index

RMAN tuning – an introduction


To start with, RMAN performance tuning is related to when it's doing operations such as backup and restore. Anything can make such operations slower and if that happens, you will need to detect the bottleneck and use optimizations which can enhance the performance. It becomes even more important that RMAN can deliver a great performance because nowadays, the size of an average database is in multiterabytes and as backups work on 24/7 basis, any slowness won't be acceptable to the management.

There are several factors which can appear as a bottleneck for RMAN performance. For example, an I/O bottleneck from the storage, the type of backup that you have configured, whether the backup or restore job involves parallelism, and so on. In addition to these factors, RMAN may not be performing well even due to factors which are not under your direct control, such as a slow network or less bandwidth from the storage device. In the next section, we will first look at the...

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