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TaurusDB
TaurusDB
- What's New
- Function Overview
- Product Bulletin
- Service Overview
- Billing
- Getting Started
-
Kernel
- TaurusDB Kernel Version Release History
-
Common Kernel Functions
- Parallel Query
- Near Data Processing
- DDL Optimization
- Fast Binlog Positioning
- Backward Index Scan
- Statement Outline
- Idle Transaction Disconnection
- LIMIT...OFFSET Pushdown
- Conversion of IN Predicates Into Subqueries
- DISTINCT Optimization for Multi-Table Joins
- Diagnosis on Large Transactions
- Enhanced Partitioned Tables
- Hot Row Update
- Multi-tenancy
- Column Compression
- Table Recycle Bin
- Cold Data Preloading for Read Replicas
- Self-Healing of Read Replicas upon a Replication Latency
-
User Guide
- Permissions Management
- Buying a DB Instance
- Connecting to a DB Instance
- Database Usage
- Data Migration
-
Instance Management
- Viewing the Overall Status of DB Instances
- Viewing Metrics
- Instance Lifecycle Management
-
Configuration Changes
- Changing the vCPUs and Memory of a DB Instance or Node
- Changing the Storage Space of a DB Instance
- Configuring Auto Scaling Policies for a DB Instance
- Changing the Maintenance Window of a DB Instance
- Customizing Displayed Items of the Instance List
- Upgrading the Minor Version of a DB Instance
- Enabling or Disabling Event Scheduler
- Updating the OS of a DB Instance
- Data Backups
- Data Restorations
- Serverless Instances
- Multi-primary Instances (OBT)
- Read Replicas
-
Database Proxy (Read/Write Splitting)
- What Is Database Proxy?
- Creating a Proxy Instance for Read/Write Splitting
-
Changing Configurations of a Proxy Instance
- Changing the Consistency Level of a Proxy Instance
- Enabling the Connection Pool for a Proxy Instance
- Enabling Transaction Splitting for a Proxy Instance
- Modifying the Routing Policy of a Proxy Instance
- Changing Read Weights of Nodes
- Changing the Multi-statement Processing Mode of a Proxy Instance
- Enabling Automatic Association of New Nodes with a Proxy Instance
- Enabling Access Control for a Proxy Instance
- Changing the Specifications of a Proxy Instance
- Changing the Number of Nodes for a Proxy Instance
- Applying for a Private Domain Name for a Proxy Instance
- Changing the Port of a Proxy Instance
- Changing the Proxy Address of a Proxy Instance
- Modifying Parameters of a Proxy Instance
- Binding an EIP to a Proxy Instance
- Proxy Instance Lifecycle
- Proxy Instance Kernel Versions
- Using Hints for Read/Write Splitting
- DBA Assistant
- Parameter Management
- Security and Encryption
- Cold and Hot Data Separation (OBT)
- Application Lossless and Transparent (ALT)
-
HTAP Analysis (Standard Edition)
- What Is HTAP of Standard Edition?
- Connecting to an HTAP Instance for Complex OLAP Queries
- Connecting to a Standard HTAP Instance
-
Standard HTAP Instance Management
- Rebooting a Standard HTAP Instance
- Rebooting a Node of a Standard HTAP Instance
- Changing Storage Space of a Standard HTAP Instance
- Adding Read Replicas to a Standard HTAP Instance
- Deleting a Standard HTAP Instance
- Adjusting Blacklisted or Whitelisted Tables of a Standard HTAP Instance and Repairing Tables
- Standard HTAP Account Management
- Viewing Metrics of a Standard HTAP Instance or Nodes
- Syntax and Data Type Mappings Between HTAP and TaurusDB Instances
- Performance Tuning
-
RegionlessDB Clusters (OBT)
- What Is a RegionlessDB Cluster?
- Using a RegionlessDB Cluster for Remote Multi-Active DR
- Using a RegionlessDB Cluster for Remote DR
- Performing a Primary/Standby Switchover or Failover in a RegionlessDB Cluster
- Removing a Standby Instance from a RegionlessDB Cluster
- Deleting a RegionlessDB Cluster
- Viewing the Replication Latency and Traffic of a RegionlessDB Cluster
- Monitoring and Alarms
- Logs and Auditing
- Task Center
- Tag Management
- Quota Management
- Best Practices
- Performance White Paper
-
API Reference
- Before You Start
- API Overview
- Calling APIs
-
APIs (Recommended)
- DB Engine Version Queries
- Database Specification Queries
-
Instance Management
- Creating a DB Instance
- Rebooting a DB Instance
- Deleting/Unsubscribing from a DB Instance
- Creating a Read Replica
- Deleting or Unsubscribing from 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
- Rebooting a Node
- Upgrading the Kernel Version of a DB Instance
- Enabling or Disabling SSL
- Binding an EIP
- Unbinding an EIP
- Promoting a Read Replica to Primary
- Changing a Maintenance Window
- Changing a Security Group
- Changing a Private IP Address
- Changing a Database Port
- Changing a DB Instance Description
- Applying for a Private Domain Name
- Changing a Private Domain Name
- Querying the Kernel Version
- Modifying Auto Scaling Policies
- Querying Auto Scaling Policies
- Pre-Checking Resources
- Querying DB instances
- Querying Details of a DB Instance
- Querying Details of DB Instances in Batches
- Modifying a Recycling Policy
- Querying a Recycling Policy
- Querying Instances in the Recycle Bin
- Changing Node Names in Batches
- Querying Historical Records of Auto Scaling
- Setting a Policy for a Serverless DB Instance
- Changing the Failover Priority of a Read Replica
- Querying an EIP
-
Backup Management
- Configuring a Same-Region Backup Policy
- Creating a Manual Backup
- Querying Full Backups
- Querying an Automated Backup Policy
- Deleting a Manual Backup
- Restoring Data to the Original Instance or an Existing Instance
- Querying the Restoration Time Range
- Enabling or Disabling Encrypted Backup
- Checking Whether Encrypted Backup Is Enabled
- Querying Incremental Backups
- Configuring a Cross-Region Backup Policy
- Restoring Tables to a Specified Point in Time
- Querying Tables for Table-level Point-in-Time Recovery
-
Parameter Template Management
- Querying Parameter Templates
- Creating a Parameter Template
- Deleting a Parameter Template
- Obtaining Details About a Parameter Template
- Modifying Parameters in a Parameter Template
- Applying a Parameter Template
- Replicating a Parameter Template
- Comparing Parameter Templates
- Querying Instances That a Parameter Template Can Be Applied To
- Viewing Parameter Change History
- Obtaining Parameter Information of a Specified DB Instance
- Modifying Parameters of a Specified DB Instance
- Replicating the Parameter Template of a DB Instance
- Querying Application Records of a Parameter Template
- Quota Management
-
Database Proxy
- Creating a Proxy Instance
- Deleting a Proxy Instance
- Querying Proxy Instances
- Querying Proxy Instance Specifications
- Adding Proxy Nodes
- Deleting Proxy Nodes
- Changing the Specifications of a Proxy Instance
- Assigning Read Weights
- Changing the Routing Policy of a Proxy Instance
- Enabling or Disabling Transaction Splitting for a Proxy Instance
- Enabling or Disabling Automatic Association of New Nodes with Proxy Instances
- Changing Session Consistency of a Proxy Instance
- Changing the Connection Pool Type of a Proxy Instance
- Changing the Port of a Proxy Instance
- Upgrading the Kernel Version of a Proxy Instance
- Modifying the Name of a Proxy Instance
- Querying Access Control Settings of a Proxy Instance
- Querying the Minor Version of a Proxy Instance
- Modifying Parameters of a Proxy Instance
- Querying Kernel Parameters of a Proxy Instance
- Enabling or Disabling Access Control
- Configuring Access Control Rules
- Enabling or Disabling SSL for a Proxy Instance
- Rebooting a Proxy Instance
-
Log Management
- Enabling or Disabling SQL Explorer
- Querying Whether SQL Explorer Is Enabled
- Querying Slow Query Logs
- Querying Error Logs
- Obtaining the Temporary Link for Downloading Full SQL
- Querying LTS Configurations of an Instance
- Deleting LTS Configurations in Batches
- Creating LTS Configurations in Batches
- Querying Whether Show Original Log Is Enabled
- Enabling or Disabling Show Original Log
- Querying Slow Query Log Statistics
- Obtaining Links for Downloading Slow Query Logs
- Tag Management
- Database User Management
- Database Management
- Traffic Management
- Task Center
- Intelligent Diagnosis
-
HTAP (Standard Edition)
- Restoring a Data Synchronization Task for a StarRocks Instance
- Stopping a Data Synchronization Task for a StarRocks Instance
- Checking Table Configurations for HTAP Data Synchronization
- Creating a StarRocks Instance
- Querying a StarRocks Instance
- Deleting a StarRocks Instance
- Rebooting a StarRocks Instance
- Rebooting a StarRocks Node
- Checking StarRocks Resources
- Querying HTAP Engine Resources
- Obtaining the Storage Type of an HTAP Instance
- Querying Specifications of an HTAP Instance
- Querying HTAP Instances
- Creating a Data Synchronization Task for a StarRocks Instance
- Deleting a Data Synchronization Task for a StarRocks Instance
- Querying Data Synchronization Tasks of a StarRocks Instance
- Checking Database Configurations for HTAP Data Synchronization
- Querying Configurations of a StarRocks Data Synchronization Task
- Querying Database Parameter Settings for StarRocks Data Synchronization
- Querying Databases of a StarRocks Instance
- Querying Database Accounts
- Creating a Database Account
- Deleting a Database Account
- Changing the Password of a Database Account
- Changing Permissions of a Database Account
- Changing the Specifications of a StarRocks Instance
- Querying Parameters
- Modifying Parameters
- Enabling Assign Requests to Row and Column Store Nodes for a StarRocks Instance
- Comparing Parameters
- Upgrading the Kernel Version of a StarRocks Instance
- Multi-tenancy
-
APIs (Unavailable Soon)
- DB Engine Version Queries
- Database Specification Queries
-
Instance Management
- Creating a DB Instance
- Querying DB Instances
- Querying DB Instances
- Deleting a DB Instance
- Querying Details of a DB Instance
- Querying Details of DB Instances in Batches
- Querying Details of a DB Instance
- 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
- Modifying DB Instance Specifications
- Backup Management
- Parameter Template Management
- Quota Management
- Database Proxy
- Log Management
- Task Information Queries
- Permissions Policies and Supported Actions
- Appendix
- SDK Reference
-
FAQs
- Product Consulting
- Resource Freezing, Unfreezing, Release, Deletion, and Unsubscription
-
Database Connections
- What Should I Do If I Can't Connect to My TaurusDB Instance?
- What Should I Do If an ECS Can't Connect to a TaurusDB Instance?
- Can an External Server Access a TaurusDB Instance?
- What Is the Maximum Number of Connections to a TaurusDB Instance?
- What Do I Do If There Are Too Many Database Connections?
- Are There Any Risks If There Are Too Many Connections to a TaurusDB Instance?
- What Should I Do If the Network Connectivity Test Fails?
- Can I Access a TaurusDB Instance over an Intranet Connection Across Regions?
- How Do I Check the Connections to a TaurusDB Instance?
- How Do I Enable Availability Detection for a Connection Pool in the Service Code?
- Client Installation
- Database Migration
- Database Permissions
-
Database Performance
- What Should I Do If the CPU Usage of My TaurusDB 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?
- How Can I Use Temporary Disks of TaurusDB?
- What Is the CPU Usage of a TaurusDB Instance with Empty Load?
-
Database Usage
- Why Are the Results Inconsistent After the MATCH AGAINST Statement Is Executed, Respectively, on Primary Nods and Read Replicas?
- How Do I Add Columns Using INSTANT?
- How Do I Use LOAD DATA to Import Local Data?
- How Do I Write Data to or Create Indexes for an Ultra-large Table?
- What Are the Risks of Deleting an Index from an Ultra-large Table?
- Backups
-
Database Parameter Modification
- How Do I Change the Time Zone of a TaurusDB Instance?
- How Do I Configure a Password Expiration Policy for TaurusDB Instances?
- How Do I Ensure that the Database Character Set of a TaurusDB Instance Is Correct?
- How Do I Use the utf8mb4 Character Set to Store Emojis in a TaurusDB Instance?
- How Do I Set Case Sensitivity for TaurusDB Table Names?
- Can I Use SQL Commands to Modify Global Parameters of My TaurusDB Instance?
- Network Security
-
Log Management
- Can I Enable general_log for TaurusDB?
- How Do I View All SQL Statements Executed by TaurusDB?
- How Do I Enable and View Binlog of My TaurusDB Instance?
- How Do I Change the Binlog Retention Period?
- How Do I View Deadlock Logs of TaurusDB?
- Why Are Slow SQL Statements Displayed in Slow Query Log Monitoring, but No Information About Them Is Displayed on the Slow Query Logs Tab Page in the Logs Module?
- Version Upgrade
-
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 Privileges 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
- A Large Number of SELECT Requests Routed to The Primary Instance After Database Proxy Is Enabled
- 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
- Duplicate Data Exists After ORDER BY LIMIT Is Executed
- Error Message Reported When select * from sys.innodb_lock_waits Is Executed
- Parameter-related Issues
-
Performance Issues
- High CPU Usage
- Out of Memory (OOM) Errors
- Tablespace Bloat
- Read Replica Uses Far More Storage Than the Primary Node
- Slow SQL Execution Due to Hot and Cold Data Problems
- Full Storage Caused by Complex Queries
- Slow Response Due to Deadlocks
- CPU Usage Increase
- CPU Resource Exhaustion Caused by Too Many Concurrent Slow Queries
-
Basic Issues
- How Do I View the Used Storage of My TaurusDB 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
- "handle_sync_msg_from_slave my_net_read error:-1" Displayed on the Error Logs Tab Page
- ERROR 1290 (HY000): The MySQL server is running with the --sql-replica-on option so it cannot execute this statement
-
Backup and Restoration Issues
- Videos
- General Reference
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Help Center/
TaurusDB/
User Guide/
Parameter Management/
Parameter Template Management/
Exporting a Parameter Template
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Exporting a Parameter Template
You can export parameter template details (parameter names, values, and descriptions) of an instance to a custom template or an Excel file for review and analysis.
Procedure
- Log in to the management console.
- Click
in the upper left corner and select a region and project. - Click
in the upper left corner of the page, choose Databases > TaurusDB. - On the Instances page, click the instance name.
- In the navigation pane, choose Parameters. On the displayed page, click Export above the parameter list.
- In the displayed dialog box, set Export To to Custom template or File, enter the template or file name, and click OK.
- Custom template: Parameter template details (parameter names, values, and descriptions) of the instance is exported to a new custom template, which will be displayed on the Custom Templates tab of the Parameter Templates page.
- File: Parameter template details (parameter names, values, and descriptions) of the instance is exported to an Excel file.
Figure 1 Exporting parameters
NOTE:
The template or file name must start with a letter and consist of 4 to 81 characters. It can contain only letters, digits, hyphens (-), and underscores (_).
Parent Topic: Parameter Template Management
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