Domain name for API request: emr.intl.tencentcloudapi.com.
This API is used to query EMR event monitoring data.
A maximum of 20 requests can be initiated per second for this API.
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: DescribeEMREventList. |
| Version | Yes | String | Common Params. The value used for this API: 2019-01-03. |
| Region | Yes | String | Common Params. For more information, please see the list of regions supported by the product. |
| InstanceId | Yes | String | Cluster ID. |
| StartTime | Yes | Integer | Start time for event query. |
| EndTime | Yes | Integer | End time for event query. |
| Host | No | String | Event-triggered IP address. |
| Role | No | String | Service role of the affected event. |
| Name | No | String | Event name. |
| Offset | No | Integer | Offset of the event list. |
| Limit | No | Integer | Limit of the event list. |
| Parameter Name | Type | Description |
|---|---|---|
| EventList | Array of EMREventListItem | Event details list. |
| TotalNum | Integer | Total number of compliant events. |
| 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. |
This example shows you how to query the event details of an EMR cluster by using event-related information.
POST / HTTP/1.1
Host: emr.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: DescribeEMREventList
<Common request parameters>
{
"InstanceId": "emr-jhpvgwao",
"StartTime": 1767750493,
"EndTime": 1767756493,
"Offset": 0,
"Limit": 2
}{
"Response": {
"EventList": [
{
"CreateTime": "2026-01-07T11:23:32Z",
"Detail": "HDFS NameNode has not performed Checkpoint for an extended period",
"Host": "10.0.17.5",
"Name": "HDFS NameNode has not performed checkpoint operations for a long period of time.",
"Role": "NameNode"
},
{
"CreateTime": "2026-01-07T11:23:01Z",
"Detail": "Node:10.0.17.5, allocated memory >= alarm threshold: 90 \n Memory Node:32768MB \nDeployment component memory Roles HDFS:NN:4096.00MB HIVE:H2:4096.00MB HIVE:HMS:4096.00MB IMPALA:CATALOG:7079.50MB TRINO:M:3072.00MB YARN:AH:3072.00MB YARN:JH:1024.00MB YARN:RM:2000.00MB ZK:QM:1024.00MB ",
"Host": "10.0.17.5",
"Name": "The node memory usage configuration exceeds the threshold.",
"Role": "CPU"
}
],
"RequestId": "7e40cf0a-1208-4fe2-a964-6568d8583cf4",
"TotalNum": 37
}
}TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.
There is no error code related to the API business logic. For other error codes, please see Common Error Codes.
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