RDS uses SSDs storage for better I/O throughput performance. Hence, even if you have only one Aurora instance, your data will still have 6 copies. In Aurora, data has 6 copies (as 10GB chunks distributed) to three Availability Zones. Aurora’s database storage is separate from the instances. To achieve reliability, you need to enable the Multi-AZ feature on your RDS instance and replicate it synchronously to a standby replica in another Availability Zone.Īurora database storage is reliable and fault-tolerant by design. RDS use Amazon EBS volumes for database and log storage. RDS provides many features like automatic failover, backups, etc.
RDS architecture is similar to installing database engine on Amazon EC2 manually but leaving the provisioning and maintenance to AWS. Amazon RDS Key Differences: Amazon Aurora vs Amazon RDS Architecture Design It supports Aurora, MySQL, PostgreSQL, MariaDB, Microsoft SQL Server, and Oracle database engines. Amazon Aurora Amazon RDSĪmazon RDS (Relational Database Service) is a managed SQL database service a relational database in cloud which makes it easy to provision, setup, patching, and backups. Amazon Aurora vs Amazon RDS Amazon AuroraĪmazon Aurora is a fully managed MySQL- and PostgreSQL-compatible relational database built for the cloud that combines the performance and availability of traditional enterprise databases with the simplicity and cost-effectiveness of open source databases.
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