From the course: AWS Certified Advanced Networking - Specialty (ANS-C01) Cert Prep

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Amazon RDS read replica

Amazon RDS read replica - Amazon Web Services (AWS) Tutorial

From the course: AWS Certified Advanced Networking - Specialty (ANS-C01) Cert Prep

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Amazon RDS read replica

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- [Instructor] Enterprise companies usually configure their databases to properly support their various workloads. A database can be deployed in a standalone configuration, where it only has a single DB server or in a master-slave configuration that has two or more DB servers. It can also be launched as a database cluster with multiple master nodes that can both read and write data. A database server can be set as the primary node that writes the data from your application or a secondary node that only allows reading data for reporting purposes. The primary node is also referred to as the source, whereas the secondary node is often called a replica. In this lecture, we'll discover what a read replica really is and its internal processing within Amazon RDS. We will also cover its various use cases and the scenarios where using a read replica is not a suitable option. Let's first start with the meaning of the word read…

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