When to use RDS Multi-AZ & Read Replicas

2m 39s

Learn when to use RDS Multi-AZ and Read Replicas with this concise lesson from Cloud Academy. In this lesson, you'll learn about RDS multi-AZ and will come away knowing when to implement and use this feature within your own environment.

Understanding how this works is essential for you and your team as understanding the differences between Read Replicas and Multi-AZ’s is key when trying to design a resilient and performance-optimized RDS database.

This short lesson is made up of two informative lectures along with a cohesive summary. If you would like to discover more content related to this subject matter, you will find all the related training content below.

Learning Objectives

  • Explain the differences between Multi-AZ instances and Read Replicas.
  • Understand the different techniques and methods used to implement Multi-AZ across different DB engines.
  • Recognize the limitations and subtle differences between Read Replicas across different DB engine types. 

Intended Audience

  • Those who are responsible for maintaining and managing RDS databases within AWS.
  • Solution architects wishing to take the AWS Certified Developer - Associate certification.


  • An understanding of Amazon RDS, including how to set up an RDS database within a single availability zone.
  • Be familiar with AWS global infrastructure, regarding regions and availability zones. More information on this can be found in this blog post.

Related Training Content

About the Author
Learning paths

Stuart has been working within the IT industry for two decades covering a huge range of topic areas and technologies, from data center and network infrastructure design, to cloud architecture and implementation.

To date, Stuart has created 250+ courses relating to cloud computing reaching over 1 million+ students.

Stuart is a member of the AWS Community Builders Program for his contributions towards AWS.

He is AWS certified and accredited in addition to being a published author covering topics across the AWS landscape.

Stuart enjoys writing about cloud technologies and you will find many of his articles within our blog pages.

Covered Topics