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AWS Certified Machine Learning - Specialty (MLS-C01) Certification Guide - Second Edition

You're reading from  AWS Certified Machine Learning - Specialty (MLS-C01) Certification Guide - Second Edition

Product type Book
Published in Feb 2024
Publisher Packt
ISBN-13 9781835082201
Pages 342 pages
Edition 2nd Edition
Languages
Authors (2):
Somanath Nanda Somanath Nanda
Profile icon Somanath Nanda
Weslley Moura Weslley Moura
Profile icon Weslley Moura
View More author details

Table of Contents (13) Chapters

Preface 1. Chapter 1: Machine Learning Fundamentals 2. Chapter 2: AWS Services for Data Storage 3. Chapter 3: AWS Services for Data Migration and Processing 4. Chapter 4: Data Preparation and Transformation 5. Chapter 5: Data Understanding and Visualization 6. Chapter 6: Applying Machine Learning Algorithms 7. Chapter 7: Evaluating and Optimizing Models 8. Chapter 8: AWS Application Services for AI/ML 9. Chapter 9: Amazon SageMaker Modeling 10. Chapter 10: Model Deployment 11. Chapter 11: Accessing the Online Practice Resources 12. Other Books You May Enjoy

Taking automatic backups, RDS snapshots, and restore and read replicas

In this section, you will see how RDS automatic backups and manual snapshots work. These features come with Amazon RDS.

Let’s consider a database that is scheduled to take a backup at 5 A.M. every day. If the application fails at 11 A.M., then it is possible to restart the application from the backup taken at 11 A.M. with the loss of 6 hours’ worth of data. This is called a 6-hour Recovery Point Objective (RPO). The RPO is defined as the time between the most recent backup and the incident, and this determines the amount of data loss. If you want to reduce this, then you have to schedule more incremental backups, which increases the cost and backup frequency. If your business demands a lower RPO value, then the business must spend more to provide the necessary technical solutions.

Now, according to our example, an engineer was assigned the task of bringing the system back online as soon as the...

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