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- What's New
- Function Overview
-
Product Bulletin
- Vulnerability Notice
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Product Notices
- [Product Discontinuation Notice] RDS for PostgreSQL 12 Will Be Discontinued on May 1, 2025, 00:00:00 GMT+08:00
- [Offline Notice] RDS for PostgreSQL 10 and 11 Will Go Offline on November 1, 2024, 00:00:00 GMT+08:00
- [Product Discontinuation Notice] RDS for MySQL 5.6 Will Be Discontinued on July 1, 2024, 00:00:00 GMT+08:00
- [Product Discontinuation Notice] RDS for PostgreSQL 10 and 11 Will Be Discontinued on July 1, 2024, 00:00:00 GMT+08:00
- [Offline Notice] RDS for PostgreSQL 9.5 and 9.6 Will Go Offline on July 1, 2024, 00:00:00 GMT+08:00
- [Notice] OBT for Memory Acceleration of RDS for MySQL Starts from May 28, 2024
- Product Release Notes
- Service Overview
- Billing
-
Getting Started
- Getting Started with RDS for MySQL
- Getting Started with RDS for MariaDB
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Getting Started with RDS for PostgreSQL
- Step 1: Set Up for RDS
- Step 2: Buy a DB Instance
- Step 3: Connect to a DB Instance
- Example: Buy and Connect to an RDS for PostgreSQL DB Instance
- Getting Started with RDS for PostgreSQL Common Practices
- Getting Started with RDS for SQL Server
- Kernels
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User Guide
-
Working with RDS for MySQL
- Permissions Management
- Buying an RDS for MySQL DB Instance
- Instance Connection
- Database Usage
- Database Migration
- Version Upgrade
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Instance Management
- Instance Lifecycle
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Instance Modifications
- Changing a DB Instance Name
- Changing a DB Instance Description
- Changing the Replication Mode
- Changing the Failover Priority
- Changing Read/Write Permissions
- Changing a DB Instance Class
- Changing a Storage Type
- Scaling Up Storage Space
- Configuring Storage Autoscaling
- Changing the Maintenance Window
- Changing a DB Instance Type from Single to Primary/Standby
- Promoting a Read Replica to Primary
- Manually Switching Between Primary and Standby DB Instances
- Changing the AZ of a Standby DB Instance
- Updating the OS of a DB Instance
- Data Backups
- Data Restorations
- Read Replicas
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Database Proxy (Read/Write Splitting)
- Introduction to RDS for MySQL Database Proxy
- Constraints on Database Proxy
- Using RDS for MySQL Database Proxies for Read/Write Splitting
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Database Proxy Configurations
- Configuring Transaction Splitting
- Configuring Connection Pools
- Modifying Read/Write Splitting Parameters
- Configuring the Delay Threshold and Routing Policy
- Enabling or Disabling Access Control
- Changing the Read/Write Splitting Address
- Applying for and Changing a Private Domain Name for a Database Proxy
- Changing the Read/Write Splitting Port
- Changing the Number of Proxy Nodes
- Changing the Instance Class of a DB Proxy Instance
- Configuring Multi-Statement Processing Modes
- Changing a Proxy from Pay-per-Use to Yearly/Monthly
- Database Proxy Lifecycle
- Database Proxy Kernel Versions
- Best Practices for Database Proxy
- Problem Diagnosis and SQL Analysis
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Security and Encryption
- Database Account Security
- Resetting the Administrator Password to Restore Root Access
- Changing a Security Group
- Performing a Server-Side Encryption
- Configuring an SSL Connection
- Configuring the TDE Function
- Configuring a Password Expiration Policy
- Unbinding an EIP
- Using the Database of the Latest Version
- Using DBSS (Recommended)
- Parameters
- Log Management
- Metrics and Alarms
- Billing Management
- Interconnection with CTS
- Task Center
- RDS for MySQL Tags
- RDS for MySQL Quotas
- Memory Acceleration
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Working with RDS for MariaDB
- Suggestions on Using RDS for MariaDB
- Instance Connection
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Performance Tuning
- What Is the Maximum Number of IOPS Supported by RDS?
- How Do I Improve the Query Speed of My RDS Database?
- Identifying Why CPU Usage of RDS for MariaDB Instances Is High and Providing Solutions
- RDS for MariaDB Memory Usage Too High
- What Should I Do If an RDS DB Instance Is Abnormal Due to Full Storage Space?
- Troubleshooting Slow SQL Issues for RDS for MariaDB Instances
- Resolving Insufficient Storage Issues for RDS for MariaDB Instances
- Permissions Management
- Instance Lifecycle
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Instance Modifications
- Upgrading a Minor Version
- Changing a DB Instance Name
- Changing a DB Instance Description
- Changing the Replication Mode
- Changing the Failover Priority
- Changing a DB Instance Class
- Scaling Up Storage Space
- Storage Autoscaling
- Manually Switching Between Primary and Standby DB Instances
- Changing the Maintenance Window
- Read Replicas
- Data Backups
- Data Restorations
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Parameter Templates
- Creating a Parameter Template
- Modifying RDS for MariaDB Instance Parameters
- Exporting a Parameter Template
- Importing a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Database Management
- Account Management (Non-Administrator)
- Account and Network Security
- Metrics and Alarms
- Interconnection with CTS
- Log Management
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DBA Assistant
- Function Overview
- Viewing the Overall Status of a DB Instance
- Managing Real-Time Sessions
- Viewing Performance Metrics
- Subscribing to Intelligent O&M
- Viewing Storage Usage
- Viewing Table Diagnosis Results
- Setting a Diagnosis Threshold
- Viewing Top Databases and Tables by Physical File Size
- Viewing Slow Query Logs
- Concurrency Control
- Auto Flow Control
- Managing Diagnosis Reports
- Task Center
- Managing Tags
- Managing Quotas
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Working with RDS for PostgreSQL
- Suggestions on Using RDS for PostgreSQL
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Instance Connection
- Connecting to an RDS for PostgreSQL Instance
- Connecting to an RDS for PostgreSQL Instance Through DAS (Recommended)
- Connecting to an RDS for PostgreSQL Instance Through the psql CLI Client
- Connecting to an RDS for PostgreSQL Instance Through the GUI
- Connecting to an RDS for PostgreSQL Instance Through JDBC
- Connecting to an RDS for PostgreSQL Instance Using Python
- Database Migration
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Performance Tuning
- Suggestions on RDS for PostgreSQL Parameter Tuning
- Troubleshooting High CPU Usage
- Troubleshooting High Memory Usage
- Troubleshooting Database Age Increase Problem
- Troubleshooting High Storage Space Usage
- Troubleshooting Abnormal Connections and Active Connections
- Troubleshooting Long-Running Transactions
- Troubleshooting Inactive Logical Replication Slots
- Troubleshooting High Oldest Replication Slot Lag or Replication Lag
- Troubleshooting SQL Statements That Have Been Executed for 3s or 5s
- RDS for PostgreSQL Enhanced Edition
- Permissions Management
- Instance Lifecycle
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Instance Modifications
- Upgrading a Minor Version
- Changing a DB Instance Name
- Changing a DB Instance Description
- Changing the Replication Mode
- Changing the Failover Priority
- Changing a DB Instance Class
- Changing the Storage Type
- Scaling Storage Space
- Storage Autoscaling
- Changing the Maintenance Window
- Changing a DB Instance Type from Single to Primary/Standby
- Manually Switching Between Primary and Standby DB Instances
- Changing the AZ of a Standby DB Instance
- Updating the OS of a DB Instance
- Read Replicas
- DR Management
- Data Backups
- Data Restorations
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Parameters
- Creating a Parameter Template
- Modifying Parameters of an RDS for PostgreSQL Instance
- Importing a Parameter Template
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Extension Management
- Tablespace Management
- Databases
- Accounts (Non-Administrator)
- Security and Encryption
- Metrics and Alarms
- Interconnection with CTS
- Log Management
- Task Center
- Billing Management
- Major Version Upgrade
- RDS for PostgreSQL Tags
- RDS for PostgreSQL Quotas
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Working with RDS for SQL Server
- Suggestions on Using RDS for SQL Server
- Instance Connection
- Database Migration
- Performance Tuning
- Instance Lifecycle
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Instance Modifications
- Changing a DB Instance Name
- Changing a DB Instance Description
- Changing the Failover Priority
- Cloning a DB Instance
- Changing a DB Instance Class
- Scaling Up Storage Space
- Configuring Autoscaling
- Changing the Maintenance Window
- Changing a DB Instance Type from Single to Primary/Standby
- Manually Switching Between Primary and Standby DB Instances
- Updating the DB Engine and OS of a DB Instance
- Read Replicas
- Data Backups
- Data Restorations
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Parameters
- Creating a Parameter Template
- Modifying RDS for SQL Server Instance Parameters
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Accounts (Non-Administrator)
- Databases
- Security and Encryption
- Distributed Transactions
- SQL Server Integration Services (SSIS)
- Metrics and Alarms
- Interconnection with CTS
- Log Management
- DBA Assistant
- Publications and Subscriptions
- Task Center
- Billing Management
- Enabling or Disabling FileStream
- CLR Integration
- Default Language Setting for RDS for SQL Server
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Usage of Stored Procedures
- Creating a Database Account
- Granting SSIS Permissions to a Domain Account
- Deploying an SSIS Project
- Changing Custom Database Names
- Viewing Error Logs
- Tracing Flags
- Capturing Change Data
- Removing a Custom Database from an Availability Group
- Replicating Databases
- Granting Database Permissions to Subaccounts
- Deleting Custom Databases
- Updating Database Statistics
- Cycling SQL Server Agent Error Logs
- Cycling SQL Server Error Logs
- Creating Alerts
- Setting Up Notifications for Alert
- Creating Operators for Alerts and Jobs
- Updating Alert Settings
- Updating Alert Notification Methods
- Updating Information About Operators for Alerts and Jobs
- Removing Alerts
- Removing SQL Server Agent Notification Definitions for Specific Alerts and Operators
- Removing Operators
- Shrinking Databases
- Changing the Permission to View All Databases
- Granting Permissions of Database-Level db_owner Role
- RDS for SQL Server Tags
- RDS for SQL Server Quotas
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Working with RDS for MySQL
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Best Practices
- Overview
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RDS for MySQL
- Migrating Data from Self-Managed MySQL Databases to RDS for MySQL
- Configuring Remote Single-Active DR for an RDS for MySQL Instance Using DRS
- Migrating MySQL Databases from Other Clouds to RDS for MySQL
- Using RDS for MySQL to Set Up WordPress
- Using RDS for MySQL to Set Up Discuz!
- Description of innodb_flush_log_at_trx_commit and sync_binlog
- How Do I Improve the Query Speed of My RDS for MySQL Instance?
- Handling RDS for MySQL Long Transactions
- Security Best Practices
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RDS for PostgreSQL
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Creating Databases
- Database Naming Rules
- Creating a Database Through DAS
- CREATE DATABASE Options
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FAQ
- How Do I View the Created Databases and the Character Sets, LC_COLLATE, and LC_CTYPE Information of the Databases?
- What Do I Do If the Character Set Does Not Match the Locale During Database Creation?
- How Do I Create a Database Using a Command-Line Interface (CLI)?
- What Are the Constraints on Character Sets?
- Performing Basic Operations Using pgAdmin
- Using PoWA
- RDS for PostgreSQL Publications and Subscriptions
- Best Practices for Using pg_dump
- Viewing Slow Query Logs of RDS for PostgreSQL DB Instances
- Using Client Drivers to Implement Failover and Read/Write Splitting
- User-Defined Data Type Conversion
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Creating a Cross-Region DR Relationship for an RDS for PostgreSQL Instance
- Overview
- Resource Planning
- Operation Process
- Preparing an RDS for PostgreSQL Instance in the Production Center
- Preparing an RDS for PostgreSQL Instance in the DR Center
- Configuring Cross-Region Network Connection
- Creating a DR Relationship
- Promoting a DR Instance to Primary
- Removing a DR Relationship
- FAQs
- Best Practices for Using PgBouncer
- Security Best Practices
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Creating Databases
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RDS for SQL Server
- Restoring Data from Backup Files to RDS Microsoft SQL Server DB Instances
- Migrating Data from a Self-Managed SQL Server Database on an ECS to an RDS for SQL Server DB Instance
- Modifying Parameters of RDS for SQL Server Instances
- Supporting DMVs
- Using the Import and Export Function to Migrate Data from a Local Database to an RDS for SQL Server DB Instance
- Creating a Subaccount of rdsuser
- Creating tempdb Files
- Microsoft SQL Server Publication and Subscription
- Installing a C# CLR Assembly in RDS for SQL Server
- Creating a Linked Server for an RDS for SQL Server DB Instance
- Deploying SQL Server Reporting Services (SSRS) on RDS for SQL Server
- Shrinking an RDS for SQL Server Database
- Using DAS to Create and Configure Agent Job and DBLink on the Master and Slave Databases for RDS for SQL Server Instances
- Creating a Job for Scheduled Instance Maintenance
- Using Extended Events
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Performance White Paper
- RDS for MySQL
- RDS for PostgreSQL
- RDS for SQL Server
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API Reference
- Before You Start
- API Overview
- Calling APIs
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API v3.1 (Recommended)
- Applying a Parameter Template
- Modifying Parameters of a Specified Instance
- Restoring Data to an Existing DB Instance
- Restoring Tables to a Specified Point in Time (RDS for MySQL)
- Querying Database Error Logs (MySQL)
- Querying Database Slow Logs (MySQL)
- Deleting a Database (RDS for SQL Server)
- Shrinking Database Logs
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API v3 (Recommended)
- Querying Version Information About APIs
- Querying Version Information About a DB Engine
- Querying Database Specifications
- Querying the Storage Type of a Database
- Querying Storage Usage of a DB Instance
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DB Instance Management
- Creating a DB Instance
- Creating a DB Instance (API v5)
- Changing the Billing Mode from Pay-per-Use to Yearly/Monthly
- Stopping an Instance
- Starting an Instance
- Changing a DB Instance Name
- Changing the Description of a DB Instance
- Applying for a Private Domain Name
- Modifying a Private Domain Name
- Querying the Domain Name of a DB Instance
- Querying the IPv6 Domain Name of a DB Instance
- Obtaining the Replication Status of a DB Instance
- Querying Available Instance Classes for a DB Instance
- Changing DB Instance Specifications
- Scaling Up Storage Space of a DB Instance
- Configuring an Autoscaling Policy
- Querying an Autoscaling Policy
- Changing a Single DB Instance to Primary/Standby DB Instances
- Rebooting a DB Instance
- Deleting a DB Instance
- Querying DB Instances
- Binding and Unbinding an EIP
- Changing the Failover Priority
- Manually Switching Primary/Standby DB Instances
- Changing the Data Replication Mode of Primary/Standby DB Instances
- Changing Read/Write Permissions
- Migrating a Standby DB Instance
- Configuring the Maintenance Window
- Upgrading the Minor Version of a DB Instance
- Configuring a Monitoring by Seconds Policy
- Querying a Monitoring by Seconds Policy
- Enabling TDE for a DB Instance (RDS for SQL Server)
- Querying TDE Status of a DB Instance (RDS for SQL Server)
- Unlocking a DB Instance from the Read-Only State
- DR Instances
- Database Security
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Backup and Restoration
- Setting an Automated Backup Policy
- Setting a Cross-Region Backup Policy
- Obtaining an Automated Backup Policy
- Querying Information About a Cross-Region Backup Policy
- Creating a Manual Backup
- Obtaining Backups
- Querying Cross-Region Backups
- Querying DB Instances for Which Cross-Region Backups Are Created
- Obtaining the Link for Downloading a Backup File
- Deleting a Manual Backup
- Querying the Restoration Time Range
- Querying the Restoration Time Range of a Cross-Region Backup
- Restoring Data to a New DB Instance
- Stopping a Backup (RDS for PostgreSQL)
- Checking Whether Fast Restoration Can Be Used for Restoring Databases or Tables (RDS for MySQL)
- Querying Tables That Can Be Restored to a Specified Point in Time (RDS for PostgreSQL)
- Querying Databases That Can Be Restored to a Specified Point in Time
- Restoring Tables to a Specified Point in Time (RDS for PostgreSQL)
- Restoring Databases to a Specified Point in Time
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Upgrading a Major Version
- Querying the Target Version to Which a DB Instance Can Be Upgraded (RDS for PostgreSQL)
- Performing a Major Version Upgrade Pre-Check for a DB Instance (RDS for PostgreSQL)
- Querying the Major Version Check Status or Upgrade Status of a DB Instance (RDS for PostgreSQL)
- Querying the Major Version Upgrade Check History of a DB Instance (RDS for PostgreSQL)
- Upgrading a Major Version of a DB Instance (RDS for PostgreSQL)
- Querying the Major Version Upgrade History of a DB Instance (RDS for PostgreSQL)
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Log Information Queries
- Showing Original Logs
- Querying Slow Query Log Files (SQL Server)
- Querying Extended Logs (RDS for SQL Server)
- Obtaining Links for Downloading Extended Logs (RDS for SQL Server)
- Obtaining Slow Query Log Statistics (RDS for MySQL)
- Obtaining Links for Downloading Slow Query Logs
- Obtaining Links for Downloading Error Logs (RDS for PostgreSQL)
- Setting SQL Audit
- Querying the Policy for SQL Audit Logs
- Obtaining Audit Logs
- Obtaining the Links for Downloading Audit Logs
- Setting the Local Retention Period of Binlogs
- Obtaining the Local Retention Period of Binlogs
- Instance Diagnosis
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SQL Statement Concurrency Control (RDS for PostgreSQL)
- Adding a SQL Statement Concurrency Control Rule for a Database
- Deleting a SQL Statement Concurrency Control Rule
- Modifying a SQL Statement Concurrency Control Rule
- Querying SQL Statement Concurrency Control Rules
- Enabling or Disabling a SQL Statement Concurrency Control Rule or Disabling All SQL Statement Concurrency Control Rules
- Database Proxy (RDS for MySQL)
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Database and Account Management (MySQL)
- Precautions
- Creating a Database
- Querying Details About a Database (Discarded)
- Querying Databases
- Querying Authorized Databases of a Specified User
- Modifying the Database Remarks of a Specified DB Instance
- Deleting a Database
- Creating a Database Account
- Querying Database Users of a DB Instance (Discarded)
- Querying Database Users
- Querying Authorized Users of a Specified Database
- Modifying Remarks of a Database Account
- Deleting a Database Account
- Configuring a Password for a Database Account
- Authorizing a Database Account
- Revoking Permissions of a Database Account
- Resetting the Password for User root
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Database and Account Management (PostgreSQL)
- Creating a Database
- Creating a Database Account
- Creating a Database Schema
- Granting Read or Write Permissions to a Database Account
- Resetting a Password for a Database Account
- Querying Databases
- Querying Database Users
- Querying Database Schemas
- Configuring Account Permissions
- Changing the Database Owner
- Granting a Role to a User
- Revoking a Role from a User
- Querying Roles
- Querying pg_hba.conf of a DB Instance
- Modifying or Adding One or More Records in pg_hba.conf
- Overwriting pg_hba.conf
- Deleting One or More Records from pg_hba.conf
- Querying the pg_hba.conf Change History of a DB Instance
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Database and Account Management (Microsoft SQL Server)
- Querying the Available SQL Server Character Set
- Creating a Database
- Querying Databases
- Creating a Database Account
- Configuring a Password for a Database Account
- Querying Database Users
- Querying Authorized Users of a Specified Database
- Deleting a Database Account
- Authorizing a Database Account
- Revoking Permissions of a Database Account
- Adding Host Addresses for MSDTC
- Querying MSDTC Hosts
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Parameter Management
- Obtaining a Parameter Template List
- Creating a Parameter Template
- Modifying a Parameter Template
- Replicating a Parameter Template
- Querying Change History of Instance Parameters
- Obtaining the Parameter Template of a Specified DB Instance
- Obtaining Parameters in a Specified Parameter Template
- Deleting a Parameter Template
- Extension Management (RDS for PostgreSQL)
- Configuring Replication Delay for a Read Replica (RDS for PostgreSQL)
- Recycling a DB Instance
- Tag Management
- Quota Management
- Obtaining Task Information
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Historical APIs
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API v3
- Querying API Versions
- Upgrading a Minor Version
- Applying a Parameter Template
- Modifying Parameters of a Specified DB Instance
- Restoring Data to an Existing DB Instance
- Restoring Tables to a Specified Point in Time (RDS for MySQL)
- Querying Database Error Logs
- Querying Database Slow Logs (RDS for MySQL)
- Deleting a Database (RDS for SQL Server)
- Shrinking Database Logs (Not Recommended)
- Database Proxy (PostgreSQL)
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API v3
- Permissions and Supported Actions
- Appendix
- Change History
- SDK Reference
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FAQs
-
Product Consulting
- What Should I Pay Attention to When Using RDS?
- Will My RDS DB Instances Be Affected by Other User Instances?
- Will Different RDS DB Instances Share CPU and Memory Resources?
- How Long Does It Take to Create an RDS DB Instance?
- What Can I Do About Slow Responses of Websites When They Use RDS?
- What Is the Time Delay for Primary/Standby Replication?
- Can Multiple ECSs Connect to the Same RDS DB Instance?
- Will Backups Be Encrypted After Disk Encryption Is Enabled for My RDS Instance?
- What Is the Availability of RDS DB Instances?
- Does RDS Support Cross-AZ High Availability?
- Can RDS Primary/Standby DB Instances Be Changed to Single DB Instances?
- What Are the Differences Between RDS for MySQL and GaussDB(for MySQL)?
- Does RDS Support CloudPond?
- What Encryption Functions Does RDS for MySQL Support?
- Is RDS for MySQL Compatible with MariaDB?
- Does RDS for MySQL Support TokuDB?
- What Are the Restrictions on RDS for MySQL Instances After GTID Is Enabled?
- What Is the Maximum Size Allowed for a Single Table in RDS for MySQL Instances?
- How Do I Purchase RDS for SQL Server Instances on Huawei Cloud?
- Resource Freezing, Release, Stopping, Deletion, and Unsubscription
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Resource and Disk Management
- Which Types of Logs and Files Occupy RDS Storage Space?
- Does RDS Support Storage Scale-Down of DB Instances?
- Which Items Occupy the Storage Space of My RDS DB Instances?
- How Much Storage Space Is Required for DDL Operations?
- What Are the Differences Between the Storage Space and Backup Space of an RDS for PostgreSQL Primary/Standby Instance?
- How Do I Prevent a Sharp Increase in Data Disk Usage If I Want to Push a Large Amount of Data to My RDS for SQL Server Instance in a Short Period of Time?
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Database Connection
- What Should I Do If I Can't Connect to My RDS DB Instance?
- What Do I Do If the Number of RDS Database Connections Reaches the Upper Limit?
- What Is the Maximum Number of Connections to an RDS DB Instance?
- What Should I Do If an ECS Cannot Connect to an RDS DB Instance Through a Private Network?
- What Should I Do If My RDS Instance Fails to Be Connected Due to Database Client Problems?
- What Should I Do If an RDS Database Problem Causes a Connection Failure?
- Do Applications Need to Support Reconnecting to an RDS DB Instance Automatically?
- Why Can't I Ping My EIP After It Is Bound to an RDS DB Instance?
- Can I Access an RDS DB Instance Over an Intranet Connection Across Regions?
- Why Did the New Password Not Take Effect After I Reset the Administrator Password of My RDS Instance?
- Can I Access Standby RDS DB Instances?
- How Do I Check the Connections to an RDS for MySQL Instance?
- Will I Be Logged Out If the Connection to RDS for SQL Server Instances Times Out?
- What Should I Do If an RDS for SQL Server DB Instance Failed to Be Connected?
- Can an External Server Access the RDS Database?
- Will My Access Be Restricted by Bandwidth When I Connect to My Instance from an ECS over a Private Network?
- How Can I Install SQL Server Management Studio?
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Database Migration
- What Types of DB Engines Does RDS Support for Importing Data?
- Why Do I Need to Use the mysqldump or pg_dump Tools for Migration?
- What Should I Do When a Large Number of Binlog Files Cause Storage Space Insufficiency During an RDS MySQL Instance Migration?
- Precautions for Exporting Large Tables Through mysqldump
- Commands for Exporting Data Through mysqldump
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Database Permission
- Why Does the Root User of My RDS Instance Not Have the Super Permissions?
- What Are the Differences Between RDS ManageAccess and DAS Permissions?
- How Do I View Authorized Databases After a Local Client Is Connected to an RDS DB Instance?
- Can Multiple Users Log In to an RDS Instance Through DAS at the Same Time? Will the Accounts Be Locked If I Enter Wrong Passwords Several Times in a Row?
- Does RDS for MySQL Support Multiple Accounts?
- Why Did I Fail to Create an Object on the postgres Database as a Common User?
- What Should I Do If a Role Failed to Be Deleted from an RDS for PostgreSQL Instance?
- Why Did My RDS for PostgreSQL Migration Fail?
- How Do I Grant the REPLICATION Permission to an RDS for PostgreSQL Database User?
- Why Is An Error Reported When I Attempt to Change a Table Owner of My RDS for PostgreSQL Instance?
- How Are the Login Name Permissions of RDS for SQL Server 2017 Enterprise Edition Primary/Standby DB Instances Synchronized to Its Read Replicas?
- After a Primary Instance Account Is Deleted and Recreated on RDS for SQL Server, Will the Permissions Be Automatically Synchronized?
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Database Storage
- What Types of Storage Does RDS Use?
- How Do I View the Storage Usage of My RDS Instance?
- What Storage Engines Does RDS for MySQL Support?
- Does RDS for MySQL Support Stored Procedures and Functions?
- What Should I Do If My Data Exceeds the Available Storage of an RDS for MySQL Instance?
- Where Are the Database Files Created on My RDS for SQL Server Instance Stored?
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Database Usage
- How Do I Use DAS to Query SQL Statements?
- How Do I View Session IDs and Login and Logout Time of an RDS Database?
- How Do I Create a Scheduled Task for My RDS for MySQL Instance?
- What Should I Do If the root Account of My RDS for MySQL Instance Was Deleted by Mistake?
- What Should I Do If Garbled Characters Are Displayed After SQL Query Results Are Exported to an Excel File for My RDS Instance?
- Does the OPTIMIZE TABLE Operation Lock Tables on an RDS DB Instance?
- Does RDS for MySQL 8.0 Support Full-Text Search?
- How Do I Use the mysqlbinlog Tool?
- Why Is an Error Reported When I Attempt to Delete a Database from My RDS for SQL Server Primary/Standby DB Instance?
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Backup and Restoration
- How Do I View My Backup Storage Usage?
- How Is RDS Backup Data Billed?
- Why Has Automated Backup of My RDS Instance Failed?
- Why Is Data Lost or Deleted from My RDS Instance?
- How Long Does RDS Store Backup Data For?
- How Do I Clear RDS Backup Space?
- Can My RDS Instance Still Be Used in the Backup Window?
- How Can I Back Up an RDS Database to an ECS?
- Can I Dump RDS Backup Files to My OBS Bucket?
- Does RDS for MySQL Support Table-Level Backup to a Specified OBS Bucket?
- Can I Delete the RDS for MySQL Backup Policy?
- Does RDS for PostgreSQL Support Table PITR?
- How Are Unsynchronized Backups Generated for RDS for SQL Server DB Instances?
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Read Replicas and Read/Write Splitting
- Why Can't I Purchase Read Replicas on the RDS Console?
- Can I Change the Replication Mode Between RDS Primary Instances and Read Replicas?
- Does RDS Support Read/Write Splitting?
- Does RDS for MySQL Support Sharding and Read/Write Splitting?
- Can I Request Multiple Read/Write Splitting Addresses for My RDS for MySQL Instance?
- Database Monitoring
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Capacity Expansion and Specification Change
- Are My RDS DB Instances Still Available During Storage Scale-up and Instance Class Change?
- Why Does My RDS Instance Become Faulty After Its Database Port Is Changed?
- Can I Change the VPC or Subnet that My RDS DB Instance Belongs To?
- How Do I Distinguish Between General-Purpose and Dedicated RDS for MySQL Instances Using Cloud SSDs?
-
Database Parameter Modification
- Can I Use SQL Commands to Modify Global Parameters of My RDS Instance?
- How Do I Change the Time Zone of an RDS DB Instance?
- How Do I Set the Encoding Format of the RDS for MySQL 8.0 Character Set?
- How Do I Set Case Sensitivity for RDS for MySQL Table Names?
- How Do I Enable Query Caching for My RDS for MySQL Instance?
- How Do I Configure a Password Expiration Policy for My RDS for MySQL Instance?
- How Do I Change the Transaction Isolation Level of an RDS for MySQL Instance?
- How Do I Ensure that the Character Set of an RDS MySQL Database Is Correct?
- How Do I Use the utf8mb4 Character Set to Store Emojis in an RDS for MySQL DB Instance?
- What Inappropriate Parameter Settings Will Cause Unavailability of My RDS for PostgreSQL Instance?
- How Do I Set the Upper Limit for the Storage Space Occupied by Temporary Files of My RDS for PostgreSQL Instance?
- How Do I Configure the test_decoding Extension for My RDS for PostgreSQL Instance?
- Where Should I Store NDF Files for RDS for SQL Server?
- How Do I Modify the Collation of an RDS for SQL Server Character Set?
- Log Management
-
Network Security
- How Can Data Security Be Ensured During Transmission When I Access an RDS Instance Through an EIP?
- How Can I Prevent Untrusted Source IP Addresses from Accessing RDS?
- How Do I Import the SSL Certificate of an RDS Instance to a Windows or Linux Server?
- How Do I Check the Validity Period of the SSL Certificate of My RDS for MySQL Instance?
- What Are the Possible Causes for Data Corruption of an RDS Instance?
- After My RDS DB Instance Is Deleted, Why Can't the Associated Security Group Be Deleted Immediately?
- Version Upgrade
- Developer-Related APIs and SDKs for RDS
-
Product Consulting
-
Troubleshooting
-
RDS for MySQL
-
Backup and Restoration Issues
- No SUPER Permissions When Restoring an RDS for MySQL Full Backup to a Local MySQL Database
- Backup Failures Due to DDL Operations
- Restoring an On-Premises or Huawei Cloud Backup File to an RDS DB Instance
- RDS for MySQL Backup Job Failure
- Manual Backups Taking More Time Than Automated Full Backups
- Incorrect Login Password During Data Restoration from a Local Backup File
- Automated Incremental Backup Failed Due to Full Storage
- RDS Point-in-Time Restoration Task Failure
- SQL Statements Such as SET @@SESSION.SQL_LOG_BIN Displayed After You Run mysqldump
- Insufficient Permissions During Data Export Using mysqldump
- Key Considered Invalid or Deleted During Table-Level PITR
-
Primary/Standby Replication Issues
- How Primary/Standby Replication Works
- Automatic Recovery of Extended Primary/Standby Replication Delay
- Primary/Standby Replication Delay Scenarios and Solutions
- Abnormal Replication Between Primary and Standby RDS DB Instances
- Primary/Standby Replication Delay Increases Sharply and Then Decreases
- Insufficient Permissions Reported for Canal
- Canal Fails to Parse Binlogs
- RDS for MySQL Binlog Issues
- Parameter-related Issues
-
Performance Issues
- High CPU Usage
- Out of Memory (OOM) Errors
- Insufficient Disk Bandwidth
- Slow SQL Statements Due to Improper Composite Index Settings
- DB Instance Becoming Read-Only Due to Insufficient Storage
- High Storage Usage Due to Uncleared Old Binlogs
- Slow Response Due to Deadlocks
- Read Replica Uses Far More Storage Than the Primary Instance
- CPU Usage Increase
- Slow SQL Execution Due to Hot and Cold Data Problems
- High Table Fragmentation Rate
- Full Storage Caused by Complex Queries
- Why Is My SQL Query So Slow?
- Instance Class Change or Minor Version Upgrade Failure Caused by Long Transactions
- Native Error 1461 Reported by an RDS for MySQL DB Instance
- System Inaccessible After Field Addition to an RDS for MySQL Database Table
- Storage Filled Up by Undo Logs Due to Long Transactions
- Locating Long Transactions
- Sharp Increase in the Commit Time of Some SQL Statements
- Oversized ibdata1
-
SQL Issues
- Double Quotation Marks Cannot Be Identified During SQL Statement Execution
- Error 1366 Reported When Data Containing Emojis Is Updated
- Failed to Change the varchar Length Due to the Index Length Limit
- Invalid TIMESTAMP Default Value during Table Creation
- AUTO_INCREMENT Not Displayed in the Table Structure
- Slow Stored Procedure Execution Due to Inconsistent Collations
- ERROR [1412] Reported for a DB Instance
- Error Message "Too many keys specified" Displayed When a Secondary Index Is Created
- Failed to Delete a Table with a Foreign Key
- DISTINCT and GROUP BY Optimization
- Character Set and Collation Settings
- An Error Message Is Displayed When a User Is Created for a DB Instance
- Slow SQL Queries After a Large Amount of Data Is Deleted from a Large Table
- Event Scheduler Not Taking Effect Immediately After Being Enabled
- Equivalent Comparison Failures with Floating-Point Numbers
- A Large Number of SELECT Requests Routed to The Primary Instance After Database Proxy Is Enabled
- RENAME USER Execution Failure
- ERROR[1451] Reported When a Table with Foreign Keys Cannot Be Deleted
- Solution to the Failure of Converting the Field Type
- "Row size too large" Reported When an RDS for MySQL Table Failed to Be Created
- ERROR [1412] Reported by an RDS for MySQL DB Instance
- Instance Reboot Failure or ERROR 1146: Table 'xxx' doesn't exist Reported During Table Operations
- Error Reported During Pagination Query
- Error Reported During User Creation
- Syntax Error Reported When GRANT Is Used to Grant All Privileges
- Error Reported During Table Creation for an RDS for MySQL 5.6 DB Instance
- Inconsistent Data Obtained on the Primary and Standby Nodes When a Query Is Performed Using an Auto-Increment Primary Key Value
- "Data too long for column" Displayed When Data Is Inserted into an RDS for MySQL Instance
-
Connection Issues
- "Access denied" Displayed During Database Connection
- Failed to Connect to a Database Using mariadb-connector in SSL Mode
- Error Message "connection established slowly"
- Login Failed After ssl_type of root Is Changed to ANY
- Error Reported During Login to a DB Instance Through DAS
- "Your password does not satisfy the current policy requirements" Displayed When Permissions Are Granted or Revoked on DAS
- SSL Connection Failed Due to Inconsistent TLS Versions
- Failed to Connect to a Database as root
- RDS for MySQL Client Automatically Disconnected from a DB Instance
- RDS for MySQL DB Instance Inaccessible
- Login Failed After the authentication_string Field Is Changed to Display the Password for RDS for MySQL
- MySQL-server Connection Failure After a Version Upgrade of RDS for MySQL
- Connection Exit Due to Improper Timeout Parameter Settings
- Database Connection Through Code (php/java/python) Failed After SSL Is Enabled
- There Is a Disconnection Every 45 Days Due to the istio-citadel Certificate System
- Error 1251 Reported During Login to a DB Instance on the Navicat Client After the Database Version Is Upgraded
-
Other Issues
- No Scanned Rows Recorded in Slow Query Logs
- Rows Recorded in the SQL Diagnosis Result Far Less Than the Scanned Rows Recorded in Slow Query Logs
- Millisecond-Level SQL Statements Recorded in Slow Query Logs
- Viewing Storage of RDS DB Instances
- "The table is full" Displayed in Error Logs
- Audit Log Upload Policy Description
- Auto-increment Field Values
- Starting Value and Increment of AUTO_INCREMENT
- AUTO_INCREMENT Value Exceeding the Maximum Value of This Field plus 1
- Auto-Increment Field Value Jump
- 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
- The Impact of Creating an Empty Username
- Connection to a Primary/Standby DB Instance Suspended Using pt-osc
- Error Reported During Payment for a DB Instance
- Failed to Change a Database Name
- Error Reported When a DB Instance Is Purchased
-
Backup and Restoration Issues
-
RDS for PostgreSQL
- A Large Number of Schemas Whose Owner Is rdsadmin
- Index Name Containing a Schema Name During Index Creation
- Authentication Not Supported When a DB Instance Is Accessed Through an Application
- Error Reported When a Request Is Executed Through an Existing Connection
- Slow Instance Reboot Due to Too Many Inodes
-
RDS for SQL Server
- Account Creation Failure for a Microsoft SQL Server Database Migrated from Alibaba Cloud to Huawei Cloud
- Error Reported When a New Account Is Used to Log In to an RDS for SQL Server Instance
- Failed to Change the Instance Class of an RDS for SQL Server Instance or Perform a Primary/Standby Switchover
- How Do I Remove and Re-establish a Replication of My RDS for SQL Server Instance?
- Change History
-
RDS for MySQL
- Videos
- Glossary
-
More Documents
-
User Guide (ME-Abu Dhabi Region)
- Introduction
- Getting Started with RDS for MySQL
- Getting Started with RDS for PostgreSQL
- Getting Started with RDS for SQL Server
-
Working with RDS for MySQL
- Data Migration
- Instance Management
- Instance Modifications
- Read Replicas
-
Backups and Restorations
- Working with Backups
- Configuring an Intra-Region Backup Policy
- Creating a Manual Backup
- Downloading a Backup File
- Downloading a Binlog Backup File
- Setting a Local Retention Period for MySQL Binlogs
- Restoring from Backup Files to RDS for MySQL
- Restoring a DB Instance to a Point in Time
- Restoring a Table to a Specified Point in Time
- Replicating a Backup
- Deleting a Manual Backup
-
Parameter Template Management
- Suggestions on Tuning MySQL Parameters
- Creating a Parameter Template
- Modifying Parameters
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Database Management
- Account Management (Non-Administrator)
- Database Account Security
- Data Security
- Metrics
- Log Management
- Task Center
- Managing Tags
-
Working with RDS for PostgreSQL
- Data Migration
- PostgreSQL Enhanced Edition
- Instance Management
- Instance Modifications
- Read Replicas
- Backups and Restorations
-
Parameter Template Management
- Creating a Parameter Template
- Modifying Parameters
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Database Account Security
- Data Security
- Metrics
- Log Management
- Task Center
- Plugin Management
- Managing Tags
-
Working with RDS for SQL Server
- Instance Management
- Instance Modifications
- Read Replicas
- Backups and Restorations
-
Parameter Template Management
- Creating a Parameter Template
- Modifying Parameters
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Data Security
- Metrics
- Log Management
- Task Center
- Usage of Stored Procedures
- Managing Tags
-
FAQs
-
Product Consulting
- What Precautions Should Be Taken When Using RDS?
- What Is the Availability of RDS DB Instances?
- Can I Use a Template to Create DB Instances?
- What Are the Differences Between RDS and Other Database Solutions?
- Will My RDS DB Instances Be Affected by Other Users' DB Instances?
- Does RDS Support Cross-AZ High Availability?
- Can RDS Primary/Standby DB Instances Be Changed to Single DB Instances?
- What Should I Do If Garbled Characters Are Displayed After SQL Query Results Are Exported to an Excel File?
- What Can I Do About Websites Responding Slower After Using RDS?
- How Does a Cloud Database Perform a Primary/Standby Switchover?
- Can Multiple ECSs Connect to the Same RDS DB Instance?
- Why an Error is Reported When I Attempt to Delete a Database from RDS SQL Server Primary/Standby DB Instances?
- Can Primary and Standby RDS DB Instances Be Deployed in the Same AZ?
-
Resource and Disk Management
- Which Types of Logs and Files Occupy RDS Storage Space?
- Which Items Occupy the Storage Space of My RDS DB Instances?
- What Overhead Does the Storage Space Have After I Applied for an RDS DB Instance?
- How Much Storage Space Is Required for DDL Operations?
- How Many DB Instances Can Run on RDS?
- How Many Databases Can Run on an RDS DB Instance?
-
Database Connection
- Can an External Server Access the RDS Database?
- How Do I Troubleshoot If the Number of RDS Database Connections Reaches the Upper Limit?
- What Is the Maximum Number of Connections to an RDS DB Instance?
- How Can I Create and Connect to an ECS?
- What Should I Do If an ECS Cannot Connect to an RDS DB Instance?
- What Should I Do If a Database Client Problem Causes a Connection Failure?
- What Should I Do If an RDS Database Problem Causes a Connection Failure?
- How Do My Applications Access an RDS DB Instance in a VPC?
- Do Applications Need to Support Reconnecting to the RDS DB Instance Automatically?
- How Can I Connect to a PostgreSQL Database Through JDBC?
- What Should I Do If an RDS Microsoft SQL Server DB Instance Failed to Be Connected?
- Can I Access an RDS DB Instance Over an Intranet Across Regions?
- Is an SSL Connection to a DB Instance Interrupted After a Primary/Standby Switchover or Failover Occurs?
- Does MySQL Support SSL Connections?
- Why Does the New Password Not Take Effect After I Reset the Administrator Password?
- Database Migration
- Database Permission
- Database Storage
- Client Installation
-
Backup and Restoration
- How Long Does RDS Store Backup Data?
- Can My Database Be Used in the Backup Window?
- How Can I Back Up RDS Databases to an ECS?
- Why Has My Automated Backup Failed?
- What Happens to Database Backups After an RDS DB Instance Is Deleted?
- Will My Backups Be Deleted If I Delete My Cloud Account?
- Why Is a Table or Data Missing from My Database?
- Database Monitoring
- Capacity Expansion and Specification Change
- Database Parameter Modification
- Log Management
-
Network Security
- What Security Protection Policies Does RDS Have?
- How Can I Ensure the Security of RDS DB Instances in a VPC?
- How Can Data Security Be Ensured During Transmission When I Access RDS Through an EIP?
- How Can I Prevent Untrusted Source IP Addresses from Accessing RDS?
- How Can I Import the Root Certificate to the Windows or Linux OS?
- How Can I Identify Data Corruption?
-
Product Consulting
-
API Reference (ME-Abu Dhabi Region)
- Before You Start
- API Overview
- Calling APIs
- Obtaining an API Version
-
API v3 (Recommended)
- Querying Version Information About a DB Engine
- Querying Database Specifications
- Querying the Storage Type of a Database
-
DB Instance Management
- Creating a DB Instance
- Changing DB Instance Specifications
- Scaling Up Storage Space of a DB Instance
- Changing a Single DB Instance to Primary/Standby DB Instances
- Rebooting a DB Instance
- Querying the Available SQL Server Character Set
- Deleting a DB Instance
- Querying Details About DB Instances
- Binding and Unbinding an EIP
- Resetting a Database Password
- Changing the Failover Priority
- Manually Switching Primary/Standby DB Instances
- Changing the Data Synchronize Model of Primary/Standby DB Instances
- Migrating a Standby DB Instance
- Configuring the Maintenance Window
- Database Security
-
Parameter Configuration
- Obtaining a Parameter Template List
- Creating a Parameter Template
- Modifying a Parameter Template
- Applying a Parameter Template
- Modifying Parameters of a Specified DB Instance
- Obtaining the Parameter Template of a Specified DB Instance
- Obtaining Parameters in a Specified Parameter Template
- Deleting a Parameter Template
-
Backup and Restoration
- Setting an Automated Backup Policy
- Obtaining an Automated Backup Policy
- Creating a Manual Backup
- Obtaining Details About Backups
- Obtaining the Link for Downloading a Backup File
- Deleting a Manual Backup
- Querying the Restoration Time Range
- Restoring Data to a New DB Instance
- Restoring Data to an Existing DB Instance
- Restoring Tables to a Specified Point in Time (MySQL)
- Log Information Queries
-
Database and Account Management (MySQL)
- Precautions
- Creating a Database
- Querying Details About Databases
- Querying Authorized Databases of a Specified User
- Deleting a Database
- Creating a Database Account
- Querying Details About Database Users
- Querying Authorized Users of a Specified Database
- Deleting a Database Account
- Configuring a Password for a Database Account
- Authorizing a Database Account
- Revoking Permissions of a Database Account
- Database and Account Management (Microsoft SQL Server)
- Appendix
-
User Guide (Paris Region)
- Introduction
- Getting Started with RDS for MySQL
- Getting Started with RDS for PostgreSQL
-
Working with RDS for MySQL
-
Instance Management
- Changing a DB Instance Name
- Changing the Failover Priority
- Changing a DB Instance Class
- Scaling Up Storage Space
- Rebooting a DB Instance
- Changing a DB Instance Type from Single to Primary/Standby
- Manually Switching Between Primary and Standby DB Instances
- Selecting Displayed Items
- Exporting DB Instance Information
- Creating a Same DB Instance
- Deleting a DB Instance or Read Replica
- Read Replicas
- Backups and Restorations
-
Parameter Template Management
- Suggestions on Tuning MySQL Parameters
- Creating a Parameter Template
- Modifying Parameters
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Data Migration
- Data Security
- Metrics and Alarms
- Log Management
- Task Center
-
Instance Management
-
Working with RDS for PostgreSQL
-
Instance Management
- Changing a DB Instance Name
- Changing the Failover Priority
- Changing a DB Instance Class
- Scaling Up Storage Space
- Rebooting a DB Instance
- Changing a DB Instance Type from Single to Primary/Standby
- Manually Switching Between Primary and Standby DB Instances
- Selecting Displayed Items
- Exporting DB Instance Information
- Creating a Same DB Instance
- Deleting a DB Instance or Read Replica
- Read Replicas
- Backups and Restorations
-
Parameter Template Management
- Creating a Parameter Template
- Modifying Parameters
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Data Migration
- Data Security
- Metrics and Alarms
- Log Management
- Task Center
- Plugin Management
-
Instance Management
-
FAQs
-
Product Consulting
- What Precautions Should Be Taken When Using RDS?
- What Is the Availability of RDS DB Instances?
- Can I Use a Template to Create DB Instances?
- What Are the Differences Between RDS and Other Database Solutions?
- Will My RDS DB Instances Be Affected by Other Users' DB Instances?
- Does RDS Support Cross-AZ High Availability?
- Can RDS Primary/Standby DB Instances Be Changed to Single DB Instances?
- What Should I Do If Garbled Characters Are Displayed After SQL Query Results Are Exported to an Excel File?
- How Do I Create an AD Domain?
- What Can I Do About Websites Responding Slower After Using RDS?
- How Does a Cloud Database Perform a Primary/Standby Switchover?
- Can Multiple ECSs Connect to the Same RDS DB Instance?
- Can Primary and Standby RDS DB Instances Be Deployed in the Same AZ?
-
Resource and Disk Management
- Which Types of Logs and Files Occupy RDS Storage Space?
- Which Items Occupy the Storage Space of My RDS DB Instances?
- What Overhead Does the Storage Space Have After I Applied for an RDS DB Instance?
- How Much Storage Space Is Required for DDL Operations?
- How Many DB Instances Can Run on RDS?
- How Many Databases Can Run on an RDS DB Instance?
-
Database Connection
- Can an External Server Access the RDS Database?
- How Do I Troubleshoot If the Number of RDS Database Connections Reaches the Upper Limit?
- What Is the Maximum Number of Connections to an RDS DB Instance?
- How Can I Create and Connect to an ECS?
- What Should I Do If an ECS Cannot Connect to an RDS DB Instance?
- What Should I Do If a Database Client Problem Causes a Connection Failure?
- What Should I Do If an RDS Database Problem Causes a Connection Failure?
- How Do My Applications Access an RDS DB Instance in a VPC?
- Do Applications Need to Support Reconnecting to the RDS DB Instance Automatically?
- How Can I Connect to a PostgreSQL Database Through JDBC?
- Can I Access an RDS DB Instance Over an Intranet Across Regions?
- Is an SSL Connection to a DB Instance Interrupted After a Primary/Standby Switchover or Failover Occurs?
- Does MySQL Support SSL Connections?
- Why Does the New Password Not Take Effect After I Reset the Administrator Password?
- Database Migration
- Database Permission
- Database Storage
- Client Installation
-
Backup and Restoration
- How Long Does RDS Store Backup Data?
- Can My Database Be Used in the Backup Window?
- How Can I Back Up RDS Databases to an ECS?
- Why Has My Automated Backup Failed?
- What Happens to Database Backups After an RDS DB Instance Is Deleted?
- Will My Backups Be Deleted If I Delete My Cloud Account?
- Why Is a Table or Data Missing from My Database?
- Database Monitoring
- Capacity Expansion and Specification Change
- Database Parameter Modification
- Log Management
-
Network Security
- What Security Protection Policies Does RDS Have?
- How Can I Ensure the Security of RDS DB Instances in a VPC?
- How Can Data Security Be Ensured During Transmission When I Access RDS Through an EIP?
- How Can I Prevent Untrusted Source IP Addresses from Accessing RDS?
- How Can I Import the Root Certificate to the Windows or Linux OS?
- How Can I Identify the Validity Period of an SSL Root Certificate?
- How Can I Identify Data Corruption?
-
Product Consulting
-
API Reference (Paris Region)
- Before You Start
- API Overview
- Calling APIs
- Obtaining an API Version
-
API v3 (Recommended)
- Querying Version Information About a DB Engine
- Querying Database Specifications
- DB Instance Management
-
Parameter Configuration
- Obtaining a Parameter Template List
- Creating a Parameter Template
- Modifying a Parameter Template
- Applying a Parameter Template
- Modifying Parameters of a Specified DB Instance
- Obtaining the Parameter Template of a Specified DB Instance
- Obtaining Parameters in a Specified Parameter Template
- Deleting a Parameter Template
-
Backup and Restoration
- Setting an Automated Backup Policy
- Obtaining an Automated Backup Policy
- Creating a Manual Backup
- Obtaining Details About Backups
- Obtaining the Link for Downloading a Backup File
- Deleting a Manual Backup
- Querying the Restoration Time Range
- Restoring Data to a New DB Instance
- Restoring Data to an Existing or Original DB Instance
- Log Information Queries
- Tag Management
- Obtaining Task Information
- Appendix
-
User Guide (Kuala Lumpur Region)
- Introduction
- Getting Started with RDS for MySQL
- Getting Started with RDS for PostgreSQL
- Getting Started with RDS for SQL Server
-
Working with RDS for MySQL
- Data Migration
- Parameter Tuning
- Instance Lifecycle
-
Instance Modifications
- Upgrading a Major Version
- Changing a DB Instance Name
- Changing the Failover Priority
- Changing a DB Instance Class
- Scaling up Storage Space
- Changing the Maintenance Window
- Changing a DB Instance Type from Single to Primary/Standby
- Promoting a Read Replica Into a Single DB Instance
- Manually Switching Between Primary and Standby DB Instances
- Migrating a Standby DB Instance
- Read Replicas
-
Backups and Restorations
- Working with Backups
- Configuring an Automated Backup Policy
- Setting a Cross-Region Backup Policy
- Creating a Manual Backup
- Downloading a Backup File
- Downloading a Binlog Backup File
- Setting a Local Retention Period for MySQL Binlogs
- Restoring from Backup Files to DB Instances
- Restoring from Backup Files to a Self-Built MySQL Database
- Restoring a DB Instance to a Point in Time
- Replicating a Backup
-
Parameter Template Management
- Creating a Parameter Template
- Modifying Parameters
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Database Management
- Account Management (Non-Administrator)
- Database Account Security
- Data Security
- Metrics and Alarms
- Interconnection with CTS
- Log Management
- Task Center
-
Working with RDS for PostgreSQL
- Data Migration
- Parameter Tuning
- PostgreSQL Enhanced Edition
- Instance Lifecycle
- Instance Modifications
- Read Replicas
-
Backups and Restorations
- Working with Backups
- Configuring an Automated Backup Policy
- Set a Cross-Region Backup Policy
- Creating a Manual Backup
- Downloading a Full Backup File
- Downloading an Incremental Backup File
- Restoring from Backup Files to RDS for PostgreSQL
- Restoring a DB Instance to a Point in Time
- Replicating a Backup
-
Parameter Template Management
- Creating a Parameter Template
- Modifying Instance Parameters
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Plugin Management
- Database Account Security
- Data Security
- and AlarmsMetrics and Alarms
- Interconnection with CTS
- Task Center
-
Working with RDS for SQL Server
- Instance Lifecycle
- Instance Modifications
- Read Replicas
- Backups and Restorations
-
Parameter Template Management
- Creating a Parameter Template
- Modifying Parameters
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Data Security
- and AlarmsMetrics and Alarms
- Interconnection with CTS
- Task Center
- Usage of Stored Procedures
-
FAQs
-
Product Consulting
- What Should I Pay Attention to When Using RDS?
- What Is the Availability of RDS DB Instances?
- Can I Use a Template to Create DB Instances?
- What Are the Differences Between RDS and Other Database Solutions?
- Will My RDS DB Instances Be Affected by Other User Instances?
- Does RDS Support Cross-AZ High Availability?
- Can RDS Primary/Standby DB Instances Be Changed to Single DB Instances?
- What Should I Do If Garbled Characters Are Displayed After SQL Query Results Are Exported to an Excel File?
- How Do I Create an AD Domain?
- What Can I Do About Slow Respond of Websites When They Use RDS?
- How Does a Cloud Database Perform a Primary/Standby Switchover?
- Can Multiple ECSs Connect to the Same RDS DB Instance?
- Why Is an Error Reported When I Attempt to Delete a Database from RDS SQL Server Primary/Standby DB Instances?
-
Resource and Disk Management
- Which Types of Logs and Files Occupy RDS Storage Space?
- Which Items Occupy the Storage Space of My RDS DB Instances?
- What Overhead Does the Storage Space Have After I Applied for an RDS DB Instance?
- How Much Storage Space Is Required for DDL Operations?
- How Many DB Instances Can Run on RDS?
- How Many Databases Can Run on an RDS DB Instance?
-
Database Connection
- Can an External Server Access the RDS Database?
- What Do I Do If the Number of RDS Database Connections Reaches the Upper Limit?
- What Is the Maximum Number of Connections to an RDS DB Instance?
- How Can I Create and Connect to an ECS?
- What Should I Do If an ECS Cannot Connect to an RDS DB Instance Through a Private Network?
- What Should I Do If a Database Client Problem Causes a Connection Failure?
- What Should I Do If an RDS Database Problem Causes a Connection Failure?
- How Do My Applications Access an RDS DB Instance in a VPC?
- Do Applications Need to Support Reconnecting to the RDS DB Instance Automatically?
- How Can I Connect to a PostgreSQL Database Through JDBC?
- What Should I Do If an RDS Microsoft SQL Server DB Instance Failed to Be Connected?
- Can I Access an RDS DB Instance Over an Intranet Connection Across Regions?
- Is an SSL Connection to a DB Instance Interrupted After a Primary/Standby Switchover or Failover?
- Does MySQL Support SSL Connections?
- Why Did the New Password Not Take Effect After I Reset the Administrator Password?
- Database Migration
- Database Permission
- Database Storage
- Client Installation
-
Backup and Restoration
- How Long Does RDS Store Backup Data For?
- Can My Database Be Used in the Backup Window?
- How Can I Back Up an RDS Database to an ECS?
- Why Has My Automated Backup Failed?
- What Happens to Database Backups After an RDS DB Instance Is Deleted?
- Will My Backups Be Deleted If I Delete My Cloud Account?
- Why Is a Table or Data Missing from My Database?
- Database Monitoring
- Capacity Expansion and Specification Change
- Database Parameter Modification
- Log Management
-
Network Security
- What Security Protection Policies Does RDS Have?
- How Can I Ensure the Security of RDS DB Instances in a VPC?
- How Can Data Security Be Ensured During Transmission When I Access RDS Through an EIP?
- How Can I Prevent Untrusted Source IP Addresses from Accessing RDS?
- How Can I Import the Root Certificate to a Windows or Linux OS?
- How Can I Identify the Validity Period of an SSL Root Certificate?
- How Can I Identify Data Corruption?
-
Product Consulting
-
API Reference (Kuala Lumpur Region)
- Before You Start
- API Overview
- Calling APIs
- Obtaining an API Version
-
API v3 (Recommended)
- Querying Version Information About a DB Engine
- Querying Database Specifications
- Querying the Storage Type of a Database
-
DB Instance Management
- Creating a DB Instance
- Changing DB Instance Specifications
- Scaling Up Storage Space of a DB Instance
- Changing a Single DB Instance to Primary/Standby DB Instances
- Rebooting a DB Instance
- Querying the Available SQL Server Character Set
- Deleting a DB Instance
- Querying Details About DB Instances
- Binding and Unbinding an EIP
- Resetting a Database Password
- Changing the Failover Priority
- Manually Switching Primary/Standby DB Instances
- Changing the Data Synchronize Model of Primary/Standby DB Instances
- Migrating a Standby DB Instance
- Database Security
-
Parameter Configuration
- Obtaining a Parameter Template List
- Creating a Parameter Template
- Modifying a Parameter Template
- Applying a Parameter Template
- Modifying Parameters of a Specified DB Instance
- Obtaining the Parameter Template of a Specified DB Instance
- Obtaining Parameters in a Specified Parameter Template
- Deleting a Parameter Template
-
Backup and Restoration
- Setting an Automated Backup Policy
- Obtaining an Automated Backup Policy
- Creating a Manual Backup
- Obtaining Details About Backups
- Obtaining the Link for Downloading a Backup File
- Deleting a Manual Backup
- Querying the Restoration Time Range
- Restoring Data to a New DB Instance
- Restoring Data to an Existing DB Instance
- Restoring Tables to a Specified Point in Time (MySQL)
- Log Information Queries
-
Database and Account Management (MySQL)
- Precautions
- Creating a Database
- Querying Details About Databases
- Querying Authorized Databases of a Specified User
- Deleting a Database
- Creating a Database Account
- Querying Details About Database Users
- Querying Authorized Users of a Specified Database
- Deleting a Database Account
- Configuring a Password for a Database Account
- Authorizing a Database Account
- Revoking Permissions of a Database Account
- Database and Account Management (Microsoft SQL Server)
- Tag Management
- Obtaining Task Information
- Appendix
-
User Guide (Ankara Region)
- Introduction
- Getting Started with RDS for MySQL
- Getting Started with RDS for PostgreSQL
-
Working with RDS for MySQL
- Database Migration
- Parameter Tuning
- Permissions Management
- Instance Lifecycle
-
Instance Modifications
- Changing a DB Instance Name
- Changing the Failover Priority
- Changing a DB Instance Class
- Scaling up Storage Space
- Changing the Maintenance Window
- Changing a DB Instance Type from Single to Primary/Standby
- Promoting a Read Replica Into a Single DB Instance
- Manually Switching Between Primary and Standby DB Instances
- Migrating a Standby DB Instance
- Read Replicas
-
Backups and Restorations
- Working with Backups
- Configuring an Automated Backup Policy
- Setting a Cross-Region Backup Policy
- Creating a Manual Backup
- Downloading a Backup File
- Downloading a Binlog Backup File
- Restoring from Backup Files to DB Instances
- Restoring a DB Instance to a Point in Time
- Restoring a Table to a Point in Time
- Replicating a Backup
- Deleting a Manual Backup
-
Parameter Template Management
- Creating a Parameter Template
- Modifying Parameters
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
-
Database Proxy (Read/Write Splitting)
- Introducing Read/Write Splitting
- Best Practices for Database Proxy
- Enabling Read/Write Splitting
- Configuring Delay Threshold and Distributing Read Weight
- Changing the Read/Write Splitting Address
- Changing the Instance Class of a DB Proxy Instance
- Upgrading the Kernel Version of Database Proxy
- Enabling or Disabling Access Control
- Disabling Read/Write Splitting
- Rules for Distributing Weights
- Testing Read/Write Splitting Performance
- Data Security
- Metrics and Alarms
- Log Management
- Task Center
-
Working with RDS for PostgreSQL
- Database Migration
- Parameter Tuning
- Permissions Management
- Instance Lifecycle
- Instance Modifications
- Read Replicas
-
Backups and Restorations
- Working with Backups
- Configuring an Automated Backup Policy
- Set a Cross-Region Backup Policy
- Creating a Manual Backup
- Downloading a Full Backup File
- Downloading an Incremental Backup File
- Restoring from Backup Files to RDS for PostgreSQL
- Restoring a DB Instance to a Point in Time
- Replicating a Backup
- Deleting a Manual Backup
-
Parameter Template Management
- Creating a Parameter Template
- Modifying Instance Parameters
- Exporting a Parameter Template
- 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
- Modifying a Parameter Template Description
- Deleting a Parameter Template
- Connection Management
- Plugin Management
- Tablespace Management
- Data Security
- Metrics and Alarms
- Log Management
- Task Center
-
FAQs
-
Product Consulting
- What Should I Pay Attention to When Using RDS?
- What Is the Availability of RDS DB Instances?
- Does RDS Support Cross-AZ High Availability?
- What Can I Do About Slow Responses of Websites When They Use RDS?
- Can I Change the Replication Mode Between Primary DB Instances and Read Replicas?
- What Is the Time Delay for Primary/Standby Replication?
- What Are the Restrictions on MySQL DB Instances After GTID Is Enabled?
- How Many Databases Can Run on an RDS DB Instance?
- What Is the Maximum Size Allowed for a Single Table in MySQL Instances?
- Resource and Disk Management
-
Database Connection
- What Should I Do If I Can't Connect to My RDS DB Instance?
- Can an External Server Access the RDS Database?
- What Do I Do If the Number of RDS Database Connections Reaches the Upper Limit?
- What Is the Maximum Number of Connections to an RDS DB Instance?
- How Can I Create and Connect to an ECS?
- What Should I Do If an ECS Cannot Connect to an RDS DB Instance Through a Private Network?
- What Should I Do If a Database Client Problem Causes a Connection Failure?
- What Should I Do If an RDS Database Problem Causes a Connection Failure?
- Do Applications Need to Support Reconnecting to the RDS DB Instance Automatically?
- How Can I Connect to an RDS for PostgreSQL Database Through JDBC?
- Why Cannot I Ping My EIP After It Is Bound to a DB Instance?
- How Can I Obtain the IP Addreenabled SQL auditss of an Application?
- Can I Access an RDS DB Instance Over an Intranet Connection Across Regions?
- Why Did the New Password Not Take Effect After I Reset the Administrator Password?
- How Do I Set the Encoding Format of the MySQL 8.0 Character Set?
- What Should I Do If the ECS and RDS Are Deployed in Different VPCs and They Cannot Communicate with Each Other?
- How Do I View All IP Addresses Connected to a Database?
- Can I Access Standby RDS DB Instances?
- How Do I Check the Connections to an RDS for MySQL Instance?
- Database Migration
- Database Permission
- Database Storage
- Client Installation
- Database Usage
-
Backup and Restoration
- How Long Does RDS Store Backup Data For?
- How Do I Clear RDS Backup Space?
- Can My Database Be Used in the Backup Window?
- How Do I View My Backup Storage Usage?
- How Can I Back Up an RDS Database to an ECS?
- Will Backups Be Retained After My RDS Instance Is Deleted?
- Why Has My Automated Backup Failed?
- Why Is a Table or Data Missing from My Database?
- How Do I Restore a Local Database Backup to RDS?
- Does RDS for PostgreSQL Support Table PITR?
- Can I Dump Backup Files to OBS Buckets?
- Does RDS for MySQL Support Table-Level Backup to a Specified OBS Bucket?
- Can I Delete the RDS for MySQL Backup Policy?
- Database Monitoring
- Capacity Expansion and Specification Change
-
Database Parameter Modification
- What Inappropriate Parameter Settings Cause Unavailability of the RDS for PostgreSQL Database?
- How Can I Change the Time Zone?
- How Do I Configure a Password Expiration Policy for RDS for MySQL DB Instances?
- How Do I Change the RDS Transaction Isolation Level?
- Does RDS for PostgreSQL Support the test_decoding Plugin?
- How Do I Use the utf8mb4 Character Set to Store Emojis in an RDS for MySQL DB Instance?
- Can I Use SQL Commands to Modify Global Parameters?
- How Do I Set Case Sensitivity for RDS for MySQL Table Names?
- Can I Enable Query Caching for My RDS for MySQL Instance?
-
Network Security
- What Security Protection Policies Does RDS Have?
- How Can Data Security Be Ensured During Transmission When I Access RDS Through an EIP?
- How Can I Prevent Untrusted Source IP Addresses from Accessing RDS?
- How Do I Configure a Security Group to Enable Access to RDS DB Instances?
- How Can I Import the Root Certificate to a Windows or Linux OS?
- How Can I Identify the Validity Period of an SSL Root Certificate?
- What Are the Possible Causes for Data Corruption?
- Version Upgrade
-
Product Consulting
- Change History
-
API Reference (Ankara Region)
- Before You Start
- API Overview
- Calling APIs
-
API v3 (Recommended)
- Querying Version Information About APIs
- Querying Version Information About a DB Engine
- Querying Database Specifications
- Querying the Storage Type of a Database
-
DB Instance Management
- Creating a DB Instance
- Stopping an Instance
- Starting an Instance
- Changing DB Instance Specifications
- Scaling Up Storage Space of a DB Instance
- Changing a Single DB Instance to Primary/Standby DB Instances
- Rebooting a DB Instance
- Deleting a DB Instance
- Querying Details About DB Instances
- Binding and Unbinding an EIP
- Changing the Failover Priority
- Manually Switching Primary/Standby DB Instances
- Changing the Data Replication Mode of Primary/Standby DB Instances
- Migrating a Standby DB Instance
- Configuring the Maintenance Window
- Database Security
-
Parameter Configuration
- Obtaining a Parameter Template List
- Creating a Parameter Template
- Modifying a Parameter Template
- Applying a Parameter Template
- Modifying Parameters of a Specified Instance
- Obtaining the Parameter Template of a Specified DB Instance
- Obtaining Parameters in a Specified Parameter Template
- Deleting a Parameter Template
-
Backup and Restoration
- Setting an Automated Backup Policy
- Setting a Cross-Region Backup Policy
- Obtaining an Automated Backup Policy
- Querying Information About a Cross-Region Backup Policy
- Creating a Manual Backup
- Obtaining Details About Backups
- Querying Details About Cross-Region Backups
- Querying Details About DB Instances for Which Cross-Region Backups Are Created
- Obtaining the Link for Downloading a Backup File
- Deleting a Manual Backup
- Querying the Restoration Time Range
- Querying the Restoration Time Range of a Cross-Region Backup
- Restoring Data to a New DB Instance
- Restoring Data to an Existing or Original DB Instance
- Restoring Tables to a Specified Point in Time (MySQL)
- Log Information Queries
-
Database and Account Management (MySQL)
- Precautions
- Creating a Database
- Querying Details About a Database
- Querying Details About Databases
- Querying Authorized Databases of a Specified User
- Deleting a Database
- Creating a Database Account
- Querying Details About a Database User
- Querying Details About Database Users
- Querying Authorized Users of a Specified Database
- Deleting a Database Account
- Configuring a Password for a Database Account
- Authorizing a Database Account
- Revoking Permissions of a Database Account
- Resetting the Password for User Root
- Obtaining Task Information
- Appendix
- Change History
-
User Guide (ME-Abu Dhabi Region)
- General Reference
Help Center/
Relational Database Service/
User Guide (Kuala Lumpur Region)/
Working with RDS for SQL Server/
Read Replicas/
Managing a Read Replica
Updated on 2022-08-16 GMT+08:00
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Managing a Read Replica
Entering the Management Interface Through a Read Replica
- Log in to the management console.
- Click in the upper left corner and select a region and a project.
- Click Service List. Under Database, click Relational Database Service. The RDS console is displayed.
- In the DB instance list, click to expand the DB instance details and click the target read replica to go to the Basic Information page.
Entering the Management Interface Through a Primary DB Instance
- Log in to the management console.
- Click in the upper left corner and select a region and a project.
- Click Service List. Under Database, click Relational Database Service. The RDS console is displayed.
- Click the name of the primary DB instance with which the target read replica is associated to go to the Basic Information page.
- In the DB instance topology, click the target read replica. You can view and manage it in the displayed pane.
Deleting a Read Replica
- Log in to the management console.
- Click in the upper left corner and select a region and a project.
- Click Service List. Under Database, click Relational Database Service. The RDS console is displayed.
- In the DB instance list, click in front of a DB instance, locate the read replica to be deleted, and choose More > Delete in the Operation column.
Parent topic: Read Replicas
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