- Updates and Announcements
- User Tutorial
- Product Introduction
- Tencent Kernel TXSQL
- Purchase Guide
- Get Started
- Operation Guide
- Best Practice
- Usage Specifications of TencentDB for MySQL
- Configuring Application Automatic Reconnection
- Impact of Modifying MySQL Master Instance Parameters
- Limits on Automatic Conversion from MyISAM to InnoDB
- Creating VPCs for TencentDB for MySQL
- Enhancing Business Load Capacity with TencentDB for MySQL
- Building LAMP Stack for Web Application
- Building Drupal Website
- Calling MySQL APIs in Python
- White Paper
- Troubleshooting
- API Documentation
- History
- Introduction
- API Category
- Making API Requests
- Backup APIs
- DescribeBackupConfig
- ModifyBackupConfig
- DeleteBackup
- DescribeBackups
- DescribeBinlogs
- CreateBackup
- DescribeSlowLogs
- DescribeDataBackupOverview
- DescribeBinlogBackupOverview
- DescribeBackupSummaries
- DescribeBackupOverview
- ModifyBackupDownloadRestriction
- DescribeBackupDownloadRestriction
- DescribeBackupDatabases
- DescribeBackupTables
- Task APIs
- Security APIs
- Data Import APIs
- Parameter APIs
- Instance APIs
- DescribeDBInstanceGTID
- CloseWanService
- SwitchForUpgrade
- CreateDBInstanceHour
- DescribeDBInstanceCharset
- ModifyDBInstanceVipVport
- ModifyDBInstanceProject
- IsolateDBInstance
- UpgradeDBInstanceEngineVersion
- DescribeDBInstances
- InitDBInstances
- DescribeDBInstanceRebootTime
- OpenWanService
- UpgradeDBInstance
- ModifyDBInstanceName
- DescribeDBZoneConfig
- RestartDBInstances
- OpenDBInstanceGTID
- DescribeDBSwitchRecords
- DescribeDBInstanceConfig
- ModifyAutoRenewFlag
- ModifyInstanceTag
- DescribeTagsOfInstanceIds
- ModifyTimeWindow
- DescribeTimeWindow
- DeleteTimeWindow
- AddTimeWindow
- OfflineIsolatedInstances
- ReleaseIsolatedDBInstances
- ModifyRoGroupInfo
- DescribeRoGroups
- BalanceRoGroupLoad
- DescribeDBInstanceInfo
- DescribeRoMinScale
- CreateRoInstanceIp
- SwitchDBInstanceMasterSlave
- SwitchDrInstanceToMaster
- StopReplication
- StartReplication
- CreateDeployGroup
- DeleteDeployGroups
- DescribeDeployGroupList
- ModifyNameOrDescByDpId
- Database APIs
- Account APIs
- Rollback APIs
- Monitoring APIs
- Log APIs
- Database Audit APIs
- Data Types
- Error Codes
- FAQs
- Service Agreement
- Reference
- Glossary
- Contact Us
- Updates and Announcements
- User Tutorial
- Product Introduction
- Tencent Kernel TXSQL
- Purchase Guide
- Get Started
- Operation Guide
- Best Practice
- Usage Specifications of TencentDB for MySQL
- Configuring Application Automatic Reconnection
- Impact of Modifying MySQL Master Instance Parameters
- Limits on Automatic Conversion from MyISAM to InnoDB
- Creating VPCs for TencentDB for MySQL
- Enhancing Business Load Capacity with TencentDB for MySQL
- Building LAMP Stack for Web Application
- Building Drupal Website
- Calling MySQL APIs in Python
- White Paper
- Troubleshooting
- API Documentation
- History
- Introduction
- API Category
- Making API Requests
- Backup APIs
- DescribeBackupConfig
- ModifyBackupConfig
- DeleteBackup
- DescribeBackups
- DescribeBinlogs
- CreateBackup
- DescribeSlowLogs
- DescribeDataBackupOverview
- DescribeBinlogBackupOverview
- DescribeBackupSummaries
- DescribeBackupOverview
- ModifyBackupDownloadRestriction
- DescribeBackupDownloadRestriction
- DescribeBackupDatabases
- DescribeBackupTables
- Task APIs
- Security APIs
- Data Import APIs
- Parameter APIs
- Instance APIs
- DescribeDBInstanceGTID
- CloseWanService
- SwitchForUpgrade
- CreateDBInstanceHour
- DescribeDBInstanceCharset
- ModifyDBInstanceVipVport
- ModifyDBInstanceProject
- IsolateDBInstance
- UpgradeDBInstanceEngineVersion
- DescribeDBInstances
- InitDBInstances
- DescribeDBInstanceRebootTime
- OpenWanService
- UpgradeDBInstance
- ModifyDBInstanceName
- DescribeDBZoneConfig
- RestartDBInstances
- OpenDBInstanceGTID
- DescribeDBSwitchRecords
- DescribeDBInstanceConfig
- ModifyAutoRenewFlag
- ModifyInstanceTag
- DescribeTagsOfInstanceIds
- ModifyTimeWindow
- DescribeTimeWindow
- DeleteTimeWindow
- AddTimeWindow
- OfflineIsolatedInstances
- ReleaseIsolatedDBInstances
- ModifyRoGroupInfo
- DescribeRoGroups
- BalanceRoGroupLoad
- DescribeDBInstanceInfo
- DescribeRoMinScale
- CreateRoInstanceIp
- SwitchDBInstanceMasterSlave
- SwitchDrInstanceToMaster
- StopReplication
- StartReplication
- CreateDeployGroup
- DeleteDeployGroups
- DescribeDeployGroupList
- ModifyNameOrDescByDpId
- Database APIs
- Account APIs
- Rollback APIs
- Monitoring APIs
- Log APIs
- Database Audit APIs
- Data Types
- Error Codes
- FAQs
- Service Agreement
- Reference
- Glossary
- Contact Us
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.
| Feature | Two-node Instance | Three-node Instance | Single-node Instance | |
|---|---|---|---|---|
| Resource isolation policy | General | General | General | Basic |
| Database engine version | 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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