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TDSQL-C for MySQL

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Product Feature List

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Last updated: 2026-03-24 16:35:32
This document compares the features supported by different instance modes of TDSQL-C for MySQL, helping you better understand the cluster characteristics of each instance mode and select products according to your needs.
Note:
In the table below, ✅ indicates supported, and - indicates unsupported or not applicable.

Supported Features

Feature Attribute
Feature Name
Provisioned Resource Instance Mode
Serverless Instance Mode
Single-Node Edition Serverless Architecture
Cluster Edition Serverless Architecture
Lifecycle
Instance Type
General type and dedicated type
-
-
Supported Version
MySQL 5.7 and MySQL 8.0
MySQL 5.7 and MySQL 8.0
MySQL 5.7 and MySQL 8.0
Number of Instances (Nodes)
1 read-write instance and 0-15 read-only instances
1 read-write instance
1 read-write instance and 1-8 read-only instances
Memory/Disk
Maximum: 88 cores and 710 GB
Compute unit configuration (CCU)
Minimum: 0.25
Maximum: 64
Compute unit configuration (CCU) Minimum: 0.25 Maximum: 64
-
-
-
-
-
Yearly/monthly subscription: ✅
Pay-as-you-go: ✅
1. Compute: number of CCUs; storage: usage in GB
2. Resource pack
1. Compute: number of CCUs; storage: usage in GB
2. Resource pack
Yearly/monthly subscription: ✅
Pay-as-you-go: -
-
-
Cluster Management
Instance Management
Read-write instance: -
Read-only instance: It cannot be directly deleted, but can be reduced by modifying the configuration of the read-only instance
Read-write instance: ✅
Read-only instance: It cannot be directly restored, but can be added by modifying the configuration of the read-only instance
Network
Configuration Adjustment
Adjust the compute unit configuration: ✅
Adjust the compute unit configuration: ✅
Adjust the upper limit of storage space by adjusting the compute unit configuration: ✅
Adjust the upper limit of storage space by adjusting the compute unit configuration: ✅
-
-
-
-
Supported Engines
InnoDB
Account Management
MySQL 5.7 2.1.7 and later: ✅ MySQL 8.0 3.1.7 and later: ✅
MySQL 5.7 2.1.7 and later: ✅ MySQL 8.0 3.1.7 and later: ✅
MySQL 5.7 2.1.7 and later: ✅ MySQL 8.0 3.1.7 and later: ✅
Database Management
Parameter Management
Disaster Recovery Deployment
Backup and Rollback
Operation Logs
Data Migration
Migrate from TencentDB for MySQL to the provisioned resource cluster of TDSQL-C for MySQL: ✅
-
-
Data Security
Setting SSL Encryption
Monitoring and Alarms
HTAP
MySQL 8.0 3.1.8 and later: ✅
MySQL 8.0 3.1.8 and later: ✅
MySQL 8.0 3.1.8 and later: ✅
MySQL 8.0 3.1.14 and later: ✅
MySQL 8.0 3.1.14 and later: ✅
MySQL 8.0 3.1.14 and later: ✅
-
-
Database Proxy
MySQL 5.7 2.0.19 and later: ✅
MySQL 5.7 2.1.6 and later: ✅
MySQL 8.0 3.1.5 and later: ✅
MySQL 5.7 2.0.19 and later: ✅
MySQL 5.7 2.1.6 and later: ✅ MySQL 8.0 3.1.5 and later: ✅
MySQL 5.7 2.0.19 and later: ✅
MySQL 5.7 2.1.6 and later: ✅ MySQL 8.0 3.1.5 and later: ✅

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