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User Guide
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MySQL
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RDS for MariaDB
- Account Management
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- Intelligent O&M
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TaurusDB
- Account Management
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- Data Generator (Not Promoted)
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API Reference
- Before You Start
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- Calling APIs
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APIs (in OBT)
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Cloud DBA
- Registering a Database User
- Modifying a Database User
- Deleting a Database User
- Querying Intelligent O&M Quotas
- Querying Database User Information
- Querying Database Users
- Killing Sessions
- Querying the SQL Execution Plan (GET Request)
- Querying the SQL Execution Plan (POST Request)
- Querying Metadata Locks
- Querying Instance Sessions
- Querying InnoDB Lock Waits
- Enabling or Disabling SQL Explorer and Slow Query Log
- Querying Whether SQL Explorer and Slow Query Log Are Enabled
- Exporting Slow Query Logs
- Exporting SQL Explorer Data
- Querying Whether SQL Statement Concurrency Control Is Enabled
- Enabling or Disabling SQL Statement Concurrency Control
- Querying Concurrency Control Rules of SQL Statements
- Generate Keywords of a Concurrency Control Rule from the Original SQL Statement
- Creating a Concurrency Control Rule for SQL Statements
- Deleting a Concurrency Control Rule of SQL Statements
- Querying SQL Statement Concurrency Control Tasks
- Exporting the Top SQL Template List
- Exporting SQL Execution Time Distribution
- Exporting the Slow SQL Template List
- Viewing the Instance List on the Intelligent O&M Page
- Setting a Shared Link
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- Executing a SQL Diagnosis
- Obtaining Diagnosis Results
- Creating an Instance Diagnosis Task
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- Synchronizing the Instance List
- Deprecated APIs
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- Appendixes
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FAQs
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Product Consulting
- How Is DAS Billed?
- Which Data Sources Does DAS Support?
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- Where Is SQL Execution Records Saved If I Enable This Function?
- What Should I Enter in the Database Column to Log In to a PostgreSQL DB Instance on the DAS Console?
- Will I Be Changed If I Enable Collect Metadata Periodically and Show Executed SQL Statements on the Add Login Page?
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Managing connections
- What Should I Do If I Can't Connect to My DB Instance Due to Insufficient Permissions?
- What Should I Do If I Can't Connect to My RDS for MySQL Instance?
- What Should I Do If I Can't Connect to My ECS (MySQL) Instance?
- What Should I Do If I Can't Connect to My RDS for SQL Server Instance?
- What Should I Do If I Can't Connect to My ECS (Microsoft SQL Server) Instance?
- What Should I Do If I Can't Connect to My RDS for PostgreSQL Instance?
- What Should I Do If I Can't Connect to My ECS (PostgreSQL) Instance?
- What Should I Do If I Can't Connect to My DDS Instance?
- What Should I Do If I Can't Connect to My GaussDB(for MySQL) Instance?
- What Should I Do If I Can't Connect to My GaussDB Instance?
- What Should I Do If I Can't Connect to My DDM Instance?
- How Do I View and Modify ECS Security Group Rules?
- How Do I View and Modify Firewall Rules?
- What Should I Do If My Connection Fails?
-
Usage
- What Can I Do If Garbled Characters Are Displayed in the Exported Database Result Set?
- What Are the Precautions for Connecting DAS to a Third-Party Client?
- What Are the Username and Password for DAS?
- What Should I Do If Table Obtaining Times Out?
- How Do I Modify the Collation?
- When a user creates a data tracking task, an error message indicating that the current user does not have the OBS operator permissions is displayed.
- Resource Freezing, Release, Deletion, and Unsubscription
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Product Consulting
- Glossary
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More Documents
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User Guide (ME-Abu Dhabi Region)
- Service Overview
- Getting Started
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User Guide
- Permissions Management
- Logging In to the DAS Console
- Adding Login Information
- Modifying Login Information
- Deleting Login Information
- Logging In to Databases Shared by Others
- MySQL DB Instance Management (Development Tool)
- Microsoft SQL Server DB Instance Management (Development Tool)
- PostgreSQL DB Instance Management (Development Tool)
- DDS DB Instance Management (Development Tool)
- Enterprise Change Approval
- Intelligent O&M
- FAQs
- Change History
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User Guide (Kuala Lumpur Region)
- Service Overview
- Getting Started
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User Guide
- Permissions Management
- Logging in to a DB Instance
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MySQL
- Account Management
- Database Management
- SQL Operations
- Table Management
- View Management
- Stored Procedure Management
- Event Management
- Trigger Management
- Function Management
- Data Import and Export
- Data Generator (Not Promoted)
- Tracking and Rolling Back Data (Not Promoted)
- Task Management
- Table Structure Comparison and Synchronization (Not Promoted)
- Intelligent O&M (New Version)
- Intelligent O&M
- RDS for SQL Server
- PostgreSQL
- DDS
- DDM
- Audit
-
FAQs
-
Managing connections
- What Should I Do If I Can't Connect to My RDS for MySQL Instance?
- What Should I Do If I Can't Connect to My ECS (MySQL) Instance?
- What Should I Do If I Can't Connect to My RDS for PostgreSQL Instance?
- What Should I Do If I Can't Connect to My ECS (PostgreSQL) Instance?
- What Should I Do If I Can't Connect to My DDS Instance?
- What Can I Do If a GaussDB(for MySQL) Instance Fails to Be Connected?
- What Should I Do If I Can't Connect to My GaussDB Instance?
- What Should I Do If I Can't Connect to My DDM Instance?
- How Do I View and Modify ECS Security Group Rules?
- How Do I View and Modify Firewall Rules?
- What Should I Do If My Connection Fails?
- Usage
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Managing connections
- Change History
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User Guide (ME-Abu Dhabi Region)
- General Reference
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Real-Time Performance
The Real-Time Performance tab displays key metrics of your instance and allows you to compare performance of your instance by date, helping you keep track of changes of your periodic services and metrics and detect exceptions.
Procedure
- Log in to the Huawei Cloud console.
- Click
in the upper left corner and select a region and project.
- Click
in the upper left corner, and under Databases, click Data Admin Service.
- In the navigation pane, choose Intelligent O&M > Instance List.
Alternatively, on the Overview page, click Go to Intelligent O&M.
- In the upper right corner of the Instance List page, search for instances by engine type, instance name, or instance IP.
Figure 1 Searching for instances
- Locate the target instance and click Details.
- In the upper right corner of the page, click Go to Old Edition.
- Choose Performance > Real-Time Performance.
- View the server uptime, connection information, and buffer pool information.
- Click Set Metric, select the metrics to display, and click OK.
Table 1 Real-time performance metrics Metric
Description
Slow Sessions
Number of new slow sessions
QPS | TPS
QPS: SQL statements executed per second
TPS: transactions executed per second
Connections
Total: enabled connections
Active: active connections
DML Executions
select: SELECT statements executed per second
insert: INSERT statements executed per second
update: UPDATE statements executed per second
delete: DELETE statements executed per second
insert_select: INSERT statements executed per second
InnoDB Cache
Cache Hit Ratio: cache hit ratio
Cache Usage: cache usage
InnoDB Accessed Rows
rows_read: rows read from an InnoDB storage engine table
rows_inserted: rows inserted into an InnoDB storage engine table
rows_updated: rows written from an InnoDB storage engine table
rows_deleted: rows deleted from an InnoDB storage engine table
Logical Reads | Physical Reads
Logic Reads: logical reads per second
Physical Reads: physical reads per second
InnoDB Average Row Lock Duration (ms)
Average lock time (ms) of InnoDB row locks
InnoDB Row Lock Waits
Average InnoDB Row Lock Waits: average waits of InnoDB row locks
Total lock waits: total lock waits
Temporary Tables | Files
Temporary tables: temporary tables automatically created when SQL statements are executed
Temporary files: temporary files automatically created when SQL statements are executed
Network Traffic
Total: total incoming and outgoing traffic of an instance
Incoming: incoming traffic of an instance
Outgoing: outgoing traffic of an instance
- Adjust the time interval of collecting metrics. The interval ranges from 1 to 10 seconds.
- Pause or start the real-time performance function based on service requirements.
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