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          Relational Database Service

          Product Series Overview

          Overview of product lines

          Three lines are supported by the RDS for now, and they are Standalone Basic , Dual-compute High-availability Version , and Raft Financial Version. Architectures adopted by the three product lines differ from one another, and the supported Instance Specification Typescater for numerous usage scenarios.

          Also, the RDS for MySQL (Dual-computer high-availability version) supports realization of read/write separation via creation of Read-only Instance and Proxy Instance to meet the read/write needs of the database with massive read requests.

          Comparison of product lines

          Comparison of master instance products

          Product Line Description Use Scenarios Supported Engine
          Standalone Basic Comprises one master node. Applicable to test scenario and personal learning scenario, etc. MySQL, SQL Server
          Dual-compute high-availability version Comprises one master node and one backup node, high availability synchronization between master node and backup node. Applicable to most official service scenarios. MySQL, SQL Server, Postgre SQL
          Raft Financial Comprises one master node and two backup nodes, ensures data consistency via Raft Protocol, and detects the fault automatically. Applicable to service scenarios (like finance and securities) with ultra high requirements about reliability, and also applicable to management and storage of the corporate core database. MySQL

          Read-only/proxy instance

          Product series Note Usage scenario Master instance type may be bound.
          Read-only instance Created after creation of master instance Applicable to database read/write scenario with massive read requests. MySQL Dual-compute high-availability version
          Proxy instance Created after creation of master instance Applicable to Read and Write Separation MySQL Dual High-availability

          Features

          Overview of RDS for MySQL features

          Master instance

          RDS for MySQL
          Sorting Feature Details Standalone Basic Version Dual-Compute High-Availability Version Raft Financia Version
          MySQL 5.7 MySQL 5.5 MySQL 5.6 MySQL 5.7 MySQL 5.6
          Instance Management Instance Management Coming Soon Support Support Support Support
          Change billing method Not supported Support Support Support Support
          Master-Standby Switching Not supported Support Support Support Not supported
          Read and Write Separation Read Weight Setting Not supported Not supported Support Support Not supported
          Read-only Instance Not supported Not supported Support Support Not supported
          Proxy Instance Not supported Not supported Support Support --
          Alarm and Monitoring Monitoring and Viewing Support Support Support Support Support
          Alarm Setting Support Support Support Support Support
          Parameter Management Parameter Management Support Support Support Support Not supported
          Backup Management Backup Management Support Support Support Support Not supported
          Cloning Instance Not supported Support Support Support Not supported
          Log Management Slow SQL Management Coming Soon Support Support Support Support
          Slow Log Management Coming Soon Support Support Support Not supported
          Binlog Management Coming Soon Support Support Support Support
          Safety Management Whitelist Support Support Support Support Support
          DB Firewall Not supported Not supported Support Support Not supported
          SSL Encryption Not supported Not supported Not supported Support Not supported
          Data Migration Data Migration Support Support Support Support Not supported
          Scalable Feature Hot Active Instance Group Not supported Not supported Support Support Not supported
          #### Read-only/Proxy Instance
          RDS for MySQL
          Sorting Feature Details Read-only Instance Proxy Instance
          MySQL 5.6/5.7 MySQL 5.6/5.7
          Proxy Instance Change and Configuration Support Support
          Alarm and Monitoring Viewing and Monitoring Support Support
          Set Alarm Support Support
          Parameter Management Parameter Management Support --
          Cluster Management Cluster Management -- Support
          Log Management Slow SQL Management Support --
          Slow Log Management Support --
          Safety Management Whitelist Support Support
          DB Firewall Support Support
          ### RDS for SQL Server Features:
          RDS for SQL Server
          Sorting Feature Details Standalone Basic Version Dual-Compute High-Availability Version
          2012 2008R2/2012/2016
          Instance Management Change and Configuration Support Support
          Billing Mode Change Support Support
          Master-Standby Switching Not supported Not supported
          Read and Write Separation Set Read Weight Not supported Not supported
          Read-only Instance Not supported Not supported
          Proxy Instance Not supported Not supported
          Monitoring and Alarm Monitoring and Viewing Support Support
          Alarm Setting Support Support
          Parameter Management Parameter Management Support Support
          Backup Management Backup Management Support Support
          Cloning Instance Not supported Not supported
          Log Management Slow Log Management Support Support
          Safety Management Whitelist Support Support
          Data Migration Data Migration Coming Soon Coming Soon
          ### RDS for PostgreSQL Features
          RDS for Postgre SQL
          Sorting Feature Details Dual-Compute High-Availability Version
          9.4/9.5/10
          Instance Management Change and Configuration Support
          Billing Mode Change Support
          Master-Standby Switching Not supported
          Monitoring and Alarm Monitoring and Viewing Support
          Alarm Setting Support
          Parameter Management Parameter Management Coming Soon
          Backup Management Backup Management Support
          Log Management Slow SQL Management Coming Soon
          Slow Log Management Coming Soon
          Binlog Management Coming Soon
          Safety Management Whitelist Support
          Data Migration Data Migration Coming Soon
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          Standalone Basic Version