Database Replication

Each copied instance of your database has the entire set of data, and a read replica provides simply a read-only replica of it. It is a great idea to employ read replicas to relieve database read operations off the single master instance, allowing it to handle more user requests, maintaining a duplicate of the exact data across several nodes, maybe spread out over various places. Fault tolerance is provided through replication. The system as a whole can withstand the failure of one or more computers because users may access the data from a separate machine that is operating normally because the same data is stored…