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List of Feature Differences

Last updated: 2022-04-01 14:34:02

This document compares the features supported by different types of TencentDB for MySQL instances, allowing you to learn more about the capabilities of each type and purchase instances that best suit 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 690 GB/6 TB Up to 690 GB/6 TB Up to 690 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".

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