AWS

Explain Amazon RDS Read Replicas

Difficulty: unrated

Source: bregman-arie/devops-exercises by Arie Bregman

Answer

AWS Docs: "Amazon RDS Read Replicas provide enhanced performance and durability for RDS database (DB) instances. They make it easy to elastically scale out beyond the capacity constraints of a single DB instance for read-heavy database workloads."

In simpler words, it allows you to scale your reads.