From the course: AWS Certified SysOps Administrator - Associate (SOA-C02) Cert Prep

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Amazon RDS Multi-AZ deployments

Amazon RDS Multi-AZ deployments - Amazon Web Services (AWS) Tutorial

From the course: AWS Certified SysOps Administrator - Associate (SOA-C02) Cert Prep

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Amazon RDS Multi-AZ deployments

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- [Instructor] In this lecture, we'll discover the core concepts behind the Multi-AZ Deployments configuration in Amazon RDS, as well as its relevant use cases. We'll also discuss how the database fail over process works and the scenarios producing this configuration is not suitable. Let's first start by reviewing the two types of replica in Amazon RDS, which are the standby replica and read replica. A replica is just a copy of your primary database, which you can use for a variety of functions. There's an automated mechanism that copies or replication new data from the primary or source database to the replica. This process of sending data between database instances is called replication, and it can either be synchronous or asynchronous. Synchronous replication is a two-way process that syncs or synchronizes data between two DB instances. It's referred to as two way because a data change in either of the databases get…

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