List of Feature Differences

Last updated: 2021-03-29 10:40:05

This document describes and compares the features supported by different types of TencentDB for MySQL instances, providing a guide for you to learn more about the features of all architectures and purchase instances according to your needs.

FeatureTwo-node InstanceThree-node InstanceSingle-node Instance
Resource isolation policy General General General Basic
Database engine version
  • MySQL 5.5
  • MySQL 5.6
  • MySQL 5.7
  • MySQL 8.0
  • MySQL 5.6
  • MySQL 5.7
  • MySQL 8.0
  • MySQL 5.6
  • MySQL 5.7
  • MySQL 8.0
  • MySQL 5.7
    Node quantity 2 3 1 1
    Memory/Disk Up to 488 GB/6 TB Up to 488 GB/6 TB Up to 488 GB/6 TB Up to 8 GB/1 TB
    Upgrading database engine version Supported (MySQL 5.5 and 5.6 only) Supported Supported Supported
    Upgrading to three-node instances Supported - - -
    Read-only replicas Supported (only in MySQL 5.6, 5.7, and 8.0) Supported Supported -
    Managing accounts Supported Supported - Supported
    Setting parameters Supported Supported - Supported
    Backup Supported Supported - -
    Rollback Supported Supported - -
    Data migration Supported Supported Supported -
    Importing SQL files Supported Supported - -
    Security groups Supported Supported Supported -
    Monitoring and alarms Supported Supported Supported Supported
    Operation logs Supported Supported Supported Supported

    Note:

    "-" in the table above means "unsupported".