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- What's New
- Function Overview
- Service Overview
- Getting Started
-
User Guide
- Usage Rules
- Billing Management
- Data Migration
- Instance Lifecycle Management
- Instance Modifications
- Read Replicas
- Database Management
- Account Management (Non-Administrator)
- Data Security
- Data Backups
- Data Restorations
- Connection Management
-
Parameter Template Management
- Creating a Parameter Template
- Modifying a Parameter Template
- Exporting Parameters
- Comparing Parameter Templates
- Viewing Parameter Change History
- Replicating a Parameter Template
- Resetting a Parameter Template
- Applying a Parameter Template
- Viewing Application Records of a Parameter Template
- Editing a Parameter Template Description
- Deleting a Parameter Template
- Metrics and Alarms
- Interconnection with CTS
- Log Management
- Task Center
- Managing Tags
- Managing Quotas
- Change History
- Best Practices
- Performance White Paper
- Security White Paper
- SDK Reference
-
API Reference
- Before You Start
- API Overview
- Calling APIs
-
APIs (Recommended)
- DB Engine Version Queries
- Database Specification Queries
-
Instance Management
- Creating a DB Instance
- Querying DB Instances
- Rebooting a DB Instance
- Deleting a DB Instance
- Querying Details of a DB Instance
- Querying Details of DB Instances in Batches
- Creating a Read Replica
- Deleting a Read Replica
- Scaling up Storage of a Yearly/Monthly DB Instance
- Changing a DB Instance Name
- Resetting a Database Password
- Changing DB Instance Specifications
- Querying Dedicated Resource Pools
- Querying Dedicated Resources
- Configuring the Monitoring By Seconds Function
- Querying the Configuration of Monitoring by Seconds
- Enabling or Disabling SSL
- Binding an EIP
- Unbinding an EIP
- Promoting a Read Replica to Primary
- Changing a Maintenance Window
- Modifying a Security Group
- Changing a Private IP Address
- Changing a Database Port
- Changing a DB Instance Description
- Backup Management
- Parameter Template Management
- Quota Management
- Log Management
- Tag Management
- Database User Management
- Database Management
- SQL Statement Concurrency Control
- Task Center
- APIs (Unavailable Soon)
- Permissions Policies and Supported Actions
- Appendix
- Change History
-
FAQs
- Product Consulting
-
Database Connections
- Can an External Server Access the GaussDB(for MySQL) Database?
- What Do I Do If the Number of GaussDB(for MySQL) Database Connections Reaches the Upper Limit?
- What Is the Maximum Number of Connections to a GaussDB(for MySQL) Instance?
- What Should I Do If an ECS Cannot Connect to a GaussDB(for MySQL) Instance?
- How Can I Connect to a MySQL Database Through JDBC?
- How Can I Create and Connect to an ECS?
- What Should I Do If a Database Client Problem Causes a Connection Failure?
- Why Cannot I Ping My EIP After It Is Bound to a DB Instance?
- What Can I Do If the Connection Test Failed?
- Can I Access a GaussDB(for MySQL) Instance over an Intranet Connection Across Regions?
- Are There Any Potential Risks If There Are Too Many Connections to a GaussDB(for MySQL) Instance?
- What Should I Do If an ECS and a GaussDB(for MySQL) instance Deployed in Different VPCs Cannot Communicate with Each Other?
- How Do I View All IP Addresses Connected to a Database?
- Client Installation
- Database Migration
- Database Permissions
-
Database Performance
- What Should I Do If the CPU Usage of My Instance Is High?
- How Do I Handle Slow SQL Statements Caused by Inappropriate Composite Index Settings?
- How Do I Handle a Large Number of Temporary Tables Being Generated for Long Transactions and High Memory Usage?
- What Should I Do If Locks on Long Transactions Block the Execution of Subsequent Transactions?
- Database Usage
- Backups
-
Database Parameter Modification
- How Can I Change the Time Zone?
- How Do I Configure a Password Expiration Policy for GaussDB(for MySQL) Instances?
- How Do I Ensure that the Database Character Set of a GaussDB(for MySQL) Instance Is Correct?
- How Do I Use the utf8mb4 Character Set to Store Emojis in a GaussDB(for MySQL) Instance?
- How Do I Set Case Sensitivity for GaussDB(for MySQL) Table Names?
- Can I Use SQL Commands to Modify Global Parameters?
-
Network Security
- What Security Assurance Measures Does GaussDB(for MySQL) Have?
- How Can I Prevent Untrusted Source IP Addresses from Accessing GaussDB(for MySQL)?
- How Do I Configure a Security Group to Enable Access to a GaussDB(for MySQL) Instance?
- How Can I Import the Root Certificate to a Windows or Linux Server?
- How Do I Manage and Ensure GaussDB(for MySQL) Security?
- Log Management
- Version Upgrade
- Change History
-
Troubleshooting
-
Backup and Restoration Issues
- Insufficient Permissions During Data Export Using mysqldump
- How Do I use mysqlbinlog to Obtain Binlog Files?
- Canal Fails to Parse Binlogs
- Precautions for Exporting Large Tables Through mysqldump
- Commands for Exporting Data Through mysqldump
- System Inaccessible After Field Addition to a Database Table
- SQL Statements Such as SET @@SESSION.SQL_LOG_BIN Displayed After You Run mysqldump
- Insufficient Permissions Reported for Canal
-
Connection Issues
- Login Failed After ssl_type of root Is Changed to ANY
- Failed to Connect to a DB Instance Using SSL
- Description of Each IP Address
- SSL Connection Failed Due to Inconsistent TLS Versions
- Error Message "connection established slowly"
- "Access denied" Displayed During Database Connection
- Failed to Connect to a Database Using mariadb-connector in SSL Mode
- Failed to Connect to a Database as User root
- Client Automatically Disconnected from a DB Instance
- Disconnection Occurs Every 45 Days Due to the istio-citadel Certificate Mechanism
-
SQL Issues
- Invalid TIMESTAMP Default Value during Table Creation
- Failed to Change the VARCHAR Length Due to the Index Length Limit
- Slow SQL Queries After a Large Amount of Data Is Deleted from a Large Table
- Error 1366 Reported When Data Containing Emojis Is Updated
- Slow Stored Procedure Execution Due to Inconsistent Collations
- ERROR [1412] Reported for a DB Instance
- Failed to Delete a Table with a Foreign Key
- Incorrect GROUP_CONCAT Results
- Error Message "Too many keys specified" Displayed When a Secondary Index Is Created
- DISTINCT and GROUP BY Optimization
- Equivalent Comparison Failures with Floating-Point Numbers
- Tablespace Bloat
- ERROR 1396 Reported When a User Is Created
- Error Message Reported When alter table xxx discard/import tablespace Is Executed
- Native Error 1461 Reported by a DB Instance
- "Row size too large" Reported When a Table Failed to Be Created
- Parameter-related Issues
- Performance Issues
-
Basic Issues
- How Do I View Used Storage of My GaussDB(for MySQL) Instance?
- Renaming Databases and Tables
- Character Set and Collation Settings
- Auto-Increment Field Value Jump
- Starting Value and Increment of AUTO_INCREMENT
- Changing the AUTO_INCREMENT Value of a Table
- Failed to Insert Data Because Values for the Auto-increment Primary Key Field Reach the Upper Limit
- Auto-increment Field Values
- AUTO_INCREMENT Not Displayed in the Table Structure
- Impact of Creating an Empty Username
- No Scanned Rows Recorded in Slow Query Logs
- Change History
-
Backup and Restoration Issues
- Videos
Show all
Key Operations Supported by CTS
Cloud Trace Service (CTS) records operations related to GaussDB(for MySQL) for further querying, auditing, and backtracking. Table 1 lists the supported operations.
|
Operation |
Resource Type |
Trace Name |
|---|---|---|
|
Creating a DB instance |
instance |
createInstance |
|
Creating a read replica |
instance |
addNodes |
|
Deleting a read replica |
instance |
deleteNode |
|
Rebooting a DB instance |
instance |
restartInstance |
|
Changing a database port |
instance |
changeInstancePort |
|
Changing a security group |
instance |
modifySecurityGroup |
|
Promoting a read replica to the primary node |
instance |
instanceSwitchOver |
|
Binding or unbinding an EIP |
instance |
setOrResetPublicIP |
|
Deleting a DB instance |
instance |
deleteInstance |
|
Renaming a DB instance |
instance |
renameInstance |
|
Changing a failover priority |
instance |
modifyPriority |
|
Resetting a password |
instance |
resetPassword |
|
Restoring data to a new DB instance |
instance |
restoreInstance |
|
Enabling read/write splitting |
instance |
openProxy |
|
Disabling read/write splitting |
instance |
closeProxy |
|
Assigning read weights |
instance |
setProxyWeight |
|
Changing the CPU and memory specifications of an instance |
instance |
resizeFlavorOrVolume |
|
Configuring monitoring by seconds |
instance |
openSecondExtend |
|
Adding a tag |
instance |
addInstanceTags |
|
Creating a backup |
backup |
createManualSnapshot |
|
Configuring an automated backup policy |
backup |
setBackupPolicy |
|
Deleting a backup |
backup |
deleteManualSnapshot |
|
Creating a parameter template |
parameterGroup |
createParameterGroup |
|
Modifying parameters in a parameter template |
parameterGroup |
updateParameterGroup |
|
Deleting a parameter template |
parameterGroup |
deleteParameterGroup |
|
Replicating a parameter template |
parameterGroup |
copyParameterGroup |
|
Resetting a parameter template |
parameterGroup |
resetParameterGroup |
|
Comparing parameter templates |
parameterGroup |
compareParameterGroup |
|
Applying a parameter template |
parameterGroup |
applyParameterGroup |
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