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Last updated: 2026-03-20 17:20:14

Product features
This document compares the current and upcoming features supported by different types of TencentDB for MySQL instances, allowing you to learn more about the capabilities of each type, try out latest features, and purchase instances that best suit your needs.
Note: 
"-" in the table means "unsupported".
You can click the table title to switch between the feature comparison and new feature list.
Feature Attributes
Feature Name
Cluster Edition
Two-Node
Three-Node
Single-Node
﻿
Lifecycle
﻿Isolation Policy﻿
Standard Type, Enhanced Type, 
Flagship Type, 
General Type, Dedicated
General Type, Dedicated
General Type (Read-Only Instance)
Basic Type (Cloud Disk Edition)
﻿
Supported Versions
MySQL 5.7
MySQL 8.0
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, 8.0
﻿
Number of Nodes
1 Read-Write Node
1 - 5 Read-Only Nodes
1-15 independent read-only instances
2
3
1
1
﻿
Memory/Disk
Standard Type: Up to 216 GB/30 TB
Enhanced Type: Up to 1536 GB/30 TB
Up to 720 GB/12 TB
Up to 720 GB/12 TB
Up to 720 GB/12 TB
Up to 16 GB/30 TB
﻿
﻿Create Instance﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Create Read-Only Instance﻿
Supported (Add a read-only node or an independent read-only instance)
Supported (for MySQL 5.6, 5.7, and 8.0 Only)
Supported
Supported
-
﻿
﻿Create Disaster Recovery Instance﻿
Supported
Supported (for MySQL 5.6, 5.7, and 8.0 Only)
Supported
-
-
﻿
﻿Terminate Instance﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Convert Pay-As-You-Go to Yearly/Monthly Subscription﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Auto-Renewal﻿
Supported
Supported
Supported
Supported
Supported
Instance Management
﻿Set Instance Maintenance Time﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Assign a Project to the Instance﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Adjust Configuration﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Migrate Availability Zone﻿
Supported
Supported
Supported
-
-
﻿
﻿Change the port number﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Primary-replica switch﻿
Supported
Supported
Supported
-
-
Version Upgrade
﻿Upgrade Database Engine Version﻿
-
Supported (for MySQL 5.5 and 5.6 Only)
Supported
Supported
-
﻿
﻿Upgrade the kernel minor version﻿
Supported
Supported
Supported
Supported
Supported
Architecture Upgrade
﻿Two-node upgrade to three-node﻿
Supported (enable rapidly adding or deleting 1-5 nodes, with enhanced flexibility)
Supported
-
-
-
﻿
Two-node upgrade to Cluster Edition
-
Supported
-
-
-
﻿
Three-node upgrade to Cluster Edition
-
-
Supported
-
-
Supported Engines
InnoDB
Supported
Supported
Supported
Supported
Supported
﻿
﻿RocksDB﻿
Supported
Supported
Supported
-
-
Backup and Rollback
﻿Automatic backup﻿
Supported
Supported
Supported
-
Supported
﻿
﻿Manual Backup﻿
Supported
Supported
Supported
-
Supported
﻿
﻿Cross-region backup﻿
Supported
Supported
Supported
-
-
﻿
﻿Backup downloading﻿
-
Supported
Supported
-
-
﻿
﻿Backup deletion﻿
Supported (Manual snapshot backups support deletion)
Supported
Supported
-
-
﻿
﻿Clone Instance﻿
Supported
Supported
Supported
-
Supported
﻿
﻿Rollback﻿
Supported
Supported
Supported
-
-
﻿
﻿Regular Backup Retention﻿
-
Supported
Supported
-
-
﻿
﻿Backup Encryption﻿
-
Supported
Supported
-
-
Backup
﻿Backup Cooling﻿
-
Supported
Supported
-
-
Monitoring and Alarms
Resource Monitoring
Supported
Supported
Supported
Supported
Supported
﻿
Engine Monitoring
Supported
Supported
Supported
Supported
Supported
﻿
Deployment Monitoring
Supported
Supported
Supported
-
-
﻿
Alarm
Supported
Supported
Supported
Supported
Supported
Account Management
﻿Create Account﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Setting Password Complexity﻿
Supported
Supported
Supported
-
-
﻿
﻿Reset Password﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Modify Account Permissions﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Modify Authorized Host Address﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Delete Account﻿
Supported
Supported
Supported
Supported
Supported
Database Management
﻿DMC Console﻿
Supported
Supported
Supported
Supported
Supported
Data Security
﻿Security Group﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Database Auditing﻿
Supported
Supported (for MySQL 5.6 and 5.7 Only)
Supported
-
-
﻿
﻿Enabling Transparent Data Encryption﻿
Supported
Supported (for MySQL 5.7 and 8.0 Only)
Supported (for MySQL 5.7 and 8.0 Only)
-
-
﻿
﻿Setting SSL Encryption﻿
Supported
Supported (for MySQL 5.6, 5.7, and 8.0 Only)
Supported (for MySQL 5.6, 5.7, and 8.0 Only)
-
-
Data Channel
﻿Migrating with DTS Service﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Offline Migration﻿
-
Supported
Supported
-
-
﻿
﻿Importing SQL Files﻿
Supported
Supported
Supported
-
-
Parameter Management
﻿Setting Instance Parameters﻿
Supported
Supported
Supported
Supported
Supported
﻿
﻿Intelligent parameter tuning﻿
-
Supported
Supported
-
-
Network
﻿Switch network﻿
Supported
Supported
Supported
Supported
Supported
Performance
﻿Database proxy﻿
Supported
Supported
Supported
-
-
﻿
﻿Parallel query﻿
Supported
Supported (Kernel Version 20220831 of MySQL 8.0 and Above)
Supported (Kernel Version 20220831 of MySQL 8.0 and Above)
Supported (Kernel Version 20220831 of MySQL 8.0 and Above)
Supported (Kernel Version 20220831 of MySQL 8.0 and Above)
﻿
﻿CPU elasticity scaling﻿
-
General Type Supported
General Type Supported
Supported
-
Operation Logs
Slow Logs
Supported
Supported
Supported
Supported
Supported
﻿
﻿Slow Log Download﻿
-
Supported
Supported
Supported
-
﻿
Error Logs
Supported
Supported
Supported
Supported
Supported
﻿
Rollback Logs
Supported
Supported
Supported
-
-
﻿
﻿Log Delivery﻿
Supported
Supported
Supported
Supported
-

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Feature Attributes	Feature Name	Cluster Edition	Two-Node	Three-Node	Single-Node
Lifecycle	Isolation Policy	Standard Type, Enhanced Type, Flagship Type,	General Type, Dedicated	General Type, Dedicated	General Type (Read-Only Instance)	Basic Type (Cloud Disk Edition)
		Supported Versions	MySQL 5.7 MySQL 8.0	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, 8.0
		Number of Nodes	1 Read-Write Node 1 - 5 Read-Only Nodes 1-15 independent read-only instances	2	3	1	1
		Memory/Disk	Standard Type: Up to 216 GB/30 TB Enhanced Type: Up to 1536 GB/30 TB	Up to 720 GB/12 TB	Up to 720 GB/12 TB	Up to 720 GB/12 TB	Up to 16 GB/30 TB
		Create Instance	Supported	Supported	Supported	Supported	Supported
		Create Read-Only Instance	Supported (Add a read-only node or an independent read-only instance)	Supported (for MySQL 5.6, 5.7, and 8.0 Only)	Supported	Supported	-
		Create Disaster Recovery Instance	Supported	Supported (for MySQL 5.6, 5.7, and 8.0 Only)	Supported	-	-
		Terminate Instance	Supported	Supported	Supported	Supported	Supported
		Convert Pay-As-You-Go to Yearly/Monthly Subscription	Supported	Supported	Supported	Supported	Supported
		Auto-Renewal	Supported	Supported	Supported	Supported	Supported
Instance Management	Set Instance Maintenance Time	Supported	Supported	Supported	Supported	Supported
		Assign a Project to the Instance	Supported	Supported	Supported	Supported	Supported
		Adjust Configuration	Supported	Supported	Supported	Supported	Supported
		Migrate Availability Zone	Supported	Supported	Supported	-	-
		Change the port number	Supported	Supported	Supported	Supported	Supported
		Primary-replica switch	Supported	Supported	Supported	-	-
Version Upgrade	Upgrade Database Engine Version	-	Supported (for MySQL 5.5 and 5.6 Only)	Supported	Supported	-
Version Upgrade		Upgrade the kernel minor version	Supported	Supported	Supported	Supported	Supported
Architecture Upgrade	Two-node upgrade to three-node	Supported (enable rapidly adding or deleting 1-5 nodes, with enhanced flexibility)	Supported	-	-	-
		Two-node upgrade to Cluster Edition	-	Supported	-	-	-
		Three-node upgrade to Cluster Edition	-	-	Supported	-	-
Supported Engines	InnoDB	Supported	Supported	Supported	Supported	Supported
Supported Engines		RocksDB	Supported	Supported	Supported	-	-
Backup and Rollback	Automatic backup	Supported	Supported	Supported	-	Supported
		Manual Backup	Supported	Supported	Supported	-	Supported
		Cross-region backup	Supported	Supported	Supported	-	-
		Backup downloading	-	Supported	Supported	-	-
		Backup deletion	Supported (Manual snapshot backups support deletion)	Supported	Supported	-	-
		Clone Instance	Supported	Supported	Supported	-	Supported
		Rollback	Supported	Supported	Supported	-	-
		Regular Backup Retention	-	Supported	Supported	-	-
		Backup Encryption	-	Supported	Supported	-	-
	Backup	Backup Cooling	-	Supported	Supported	-	-
Monitoring and Alarms	Resource Monitoring	Supported	Supported	Supported	Supported	Supported
		Engine Monitoring	Supported	Supported	Supported	Supported	Supported
		Deployment Monitoring	Supported	Supported	Supported	-	-
		Alarm	Supported	Supported	Supported	Supported	Supported
Account Management	Create Account	Supported	Supported	Supported	Supported	Supported
		Setting Password Complexity	Supported	Supported	Supported	-	-
		Reset Password	Supported	Supported	Supported	Supported	Supported
		Modify Account Permissions	Supported	Supported	Supported	Supported	Supported
		Modify Authorized Host Address	Supported	Supported	Supported	Supported	Supported
		Delete Account	Supported	Supported	Supported	Supported	Supported
Database Management	DMC Console	Supported	Supported	Supported	Supported	Supported
Data Security	Security Group	Supported	Supported	Supported	Supported	Supported
		Database Auditing	Supported	Supported (for MySQL 5.6 and 5.7 Only)	Supported	-	-
		Enabling Transparent Data Encryption	Supported	Supported (for MySQL 5.7 and 8.0 Only)	Supported (for MySQL 5.7 and 8.0 Only)	-	-
		Setting SSL Encryption	Supported	Supported (for MySQL 5.6, 5.7, and 8.0 Only)	Supported (for MySQL 5.6, 5.7, and 8.0 Only)	-	-
Data Channel	Migrating with DTS Service	Supported	Supported	Supported	Supported	Supported
		Offline Migration	-	Supported	Supported	-	-
		Importing SQL Files	Supported	Supported	Supported	-	-
Parameter Management	Setting Instance Parameters	Supported	Supported	Supported	Supported	Supported
Parameter Management		Intelligent parameter tuning	-	Supported	Supported	-	-
Network	Switch network	Supported	Supported	Supported	Supported	Supported
Performance	Database proxy	Supported	Supported	Supported	-	-
		Parallel query	Supported	Supported (Kernel Version 20220831 of MySQL 8.0 and Above)	Supported (Kernel Version 20220831 of MySQL 8.0 and Above)	Supported (Kernel Version 20220831 of MySQL 8.0 and Above)	Supported (Kernel Version 20220831 of MySQL 8.0 and Above)
		CPU elasticity scaling	-	General Type Supported	General Type Supported	Supported	-
Operation Logs	Slow Logs	Supported	Supported	Supported	Supported	Supported
		Slow Log Download	-	Supported	Supported	Supported	-
		Error Logs	Supported	Supported	Supported	Supported	Supported
		Rollback Logs	Supported	Supported	Supported	-	-
		Log Delivery	Supported	Supported	Supported	Supported	-

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