ApsaraDB for RDS is a stable, reliable, and scalable online database service. Built with a distributed file system designed by Alibaba Cloud and integrated with high-performance SSDs, ApsaraDB for RDS supports the following database engines: MySQL, SQL Server, PostgreSQL, Postgre Plus Advanced Server (PPAS) (highly compatible with Oracle), and MariaDB TX. ApsaraDB for RDS provides a complete suite of database O&M solutions, such as disaster recovery, backup, restoration, monitoring, and migration.

All of the parameters that are used in ApsaraDB for RDS have been tested and optimized by the experienced database administrators (DBAs) of Alibaba Cloud over years of production practices. Throughout the lifecycle of an ApsaraDB for RDS instance, these DBAs have proceeded to optimize the instance and ensure that it runs at its optimal configuration. All of the server hardware that is used by ApsaraDB for RDS has passed the tests of multiple parties. This ensures that ApsaraDB for RDS can be used to excel in terms of performance and stability.

For more information about the performance test results of ApsaraDB RDS for PPAS, see Test result.