Updated on 2022-12-08 GMT+08:00

DB Instance Introduction

Currently, RDS DB instances are classified into the following types:
  • Single
  • Primary/Standby

Different series support different DB engines and instance specifications.

Table 1 DB instance types

DB Instance Type

Description

Scenarios

Single

Uses a single-node architecture. More cost-effective than the mainstream primary/standby DB instances.

  • Personal learning
  • Microsites
  • Development and testing environment of small- and medium-sized enterprises

Primary/Standby

Uses an HA architecture with one master node and one slave node.

  • Production databases of large- and medium-sized enterprises
  • Applications for the Internet, Internet of Things (IoT), retail e-commerce sales, logistics, gaming, and other industries