- Product Introduction
- Purchase Guide
- Getting Started
- Operation Guide
- Development Guide
- Design of Data Table
- Importing Data
- Import Overview
- Import Methods
- Synchronizing Data with JDBC
- Synchronizing Data Through External Tables
- Real-time or Batch Writing of MySQL Data
- Importing Data from Kafka
- Importing with DataX
- Importing Doris from Logstash
- Data Transformation, Column Mapping and Filtering
- Importing Strict Mode
- Importing Data in JSON Format
- Exporting Data
- Basic Feature
- Query Optimization
- Ecological Expansion Feature
- API Documentation
- Product Policy
- Product Introduction
- Purchase Guide
- Getting Started
- Operation Guide
- Development Guide
- Design of Data Table
- Importing Data
- Import Overview
- Import Methods
- Synchronizing Data with JDBC
- Synchronizing Data Through External Tables
- Real-time or Batch Writing of MySQL Data
- Importing Data from Kafka
- Importing with DataX
- Importing Doris from Logstash
- Data Transformation, Column Mapping and Filtering
- Importing Strict Mode
- Importing Data in JSON Format
- Exporting Data
- Basic Feature
- Query Optimization
- Ecological Expansion Feature
- API Documentation
- Product Policy
1. API Description
Domain name for API request: cdwdoris.tencentcloudapi.com.
This API is used to get the BE/FE node roles.
A maximum of 20 requests can be initiated per second for this API.
We recommend you to use API Explorer
Try it
API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.
2. Input Parameters
The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.
| Parameter Name | Required | Type | Description |
|---|---|---|---|
| Action | Yes | String | Common Params. The value used for this API: DescribeInstanceNodesInfo. |
| Version | Yes | String | Common Params. The value used for this API: 2021-12-28. |
| Region | No | String | Common Params. This parameter is not required for this API. |
| InstanceID | Yes | String | Cluster ID |
3. Output Parameters
| Parameter Name | Type | Description |
|---|---|---|
| BeNodes | Array of String | Be node Note: This field may return null, indicating that no valid values can be obtained. |
| FeNodes | Array of String | Fe node Note: This field may return null, indicating that no valid values can be obtained. |
| FeMaster | String | Fe master node |
| BeNodeInfos | Array of NodeInfo | Be node information Note: This field may return null, indicating that no valid values can be obtained. |
| FeNodeInfos | Array of NodeInfo | Fe node information Note: This field may return null, indicating that no valid values can be obtained. |
| RequestId | String | The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem. |
4. Example
Example1 Querying Node Information
Input Example
POST / HTTP/1.1
Host: cdwdoris.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: DescribeInstanceNodesInfo
<Common request parameters>
{
"InstanceID": "abc"
}
Output Example
{
"Response": {
"BeNodes": [
"abc"
],
"FeNodes": [
"abc"
],
"FeMaster": "abc",
"RequestId": "abc"
}
}
Example2 Querying Node Roles
This example shows you how to query node roles.
Input Example
POST / HTTP/1.1
Host: cdwdoris.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: DescribeInstanceNodesInfo
<Common request parameters>
{
"InstanceID": "abc"
}
Output Example
{
"Response": {
"BeNodes": [
"abc"
],
"FeNodes": [
"abc"
],
"FeMaster": "abc",
"RequestId": "abc"
}
}
5. Developer Resources
SDK
TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.
- Tencent Cloud SDK 3.0 for Python
- Tencent Cloud SDK 3.0 for Java
- Tencent Cloud SDK 3.0 for PHP
- Tencent Cloud SDK 3.0 for Go
- Tencent Cloud SDK 3.0 for Node.js
- Tencent Cloud SDK 3.0 for .NET
- Tencent Cloud SDK 3.0 for C++
Command Line Interface
6. Error Code
There is no error code related to the API business logic. For other error codes, please see Common Error Codes.
Yes
No
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