This topic describes the limits of RDS MariaDB. To guarantee stability and security, you must understand the limits.
The following table describes the limits of common actions and configurations in RDS MariaDB.
|Parameter modification||The RDS console or supported API actions can be used to modify database parameters. But For security parameters, some parameters cannot be modified. For more information, see Set parameters through the RDS console.|
|Database root permission||The root and sa permissions are not provided.|
|MariaDB storage engine||
|Database replication||MySQL provides a dual-node cluster based on the master/slave replication architecture. The slave instance in the architecture is invisible to you, and your application cannot access to the slave instance directly.|
|Instance restart||Instances must be restarted through the RDS console or supported API actions.|