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

Product typeBook
Published inFeb 2024
PublisherPackt
ISBN-139781835082201
Edition2nd Edition
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Authors (2):
Somanath Nanda
Somanath Nanda
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Somanath Nanda

Somanath has 10 years of working experience in IT industry which includes Prod development, Devops, Design and architect products from end to end. He has also worked at AWS as a Big Data Engineer for about 2 years.
Read more about Somanath Nanda

Weslley Moura
Weslley Moura
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Weslley Moura

Weslley Moura has been developing data products for the past decade. At his recent roles, he has been influencing data strategy and leading data teams into the urban logistics and blockchain industries.
Read more about Weslley Moura

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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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AWS Certified Machine Learning - Specialty (MLS-C01) Certification Guide - Second Edition
Published in: Feb 2024Publisher: PacktISBN-13: 9781835082201

Authors (2)

author image
Somanath Nanda

Somanath has 10 years of working experience in IT industry which includes Prod development, Devops, Design and architect products from end to end. He has also worked at AWS as a Big Data Engineer for about 2 years.
Read more about Somanath Nanda

author image
Weslley Moura

Weslley Moura has been developing data products for the past decade. At his recent roles, he has been influencing data strategy and leading data teams into the urban logistics and blockchain industries.
Read more about Weslley Moura