Help Center/ TaurusDB/ API Reference/ APIs (Recommended)/ Intelligent Diagnosis/ Querying Abnormal Instance Information by a Specific Metric

Updated on 2024-09-11 GMT+08:00

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Querying Abnormal Instance Information by a Specific Metric

Function

This API is used to abnormal instance information by a specific metric. Before calling this API:

Learn how to authorize and authenticate it.
Obtain the required region and endpoint.

URI

GET /v3/{project_id}/instances/diagnosis-instance-infos

**Table 1** URI parameter
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID.

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
metric_name	Yes	String	Metric name.
offset	Yes	Integer	Index offset. If offset is set to N, the query starts from the N+1 piece of data. The value is 0 by default, indicating that the query starts from the first piece of data. The value must be a number but cannot be a negative number.
limit	Yes	Integer	Number of records to be queried. The default value is 100. The value must be a positive integer. The minimum value is 1 and the maximum value is 100.

Request Parameters

**Table 3** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the token value.
X-Language	No	String	Request language type. The default value is en-us. Values: en-us zh-cn

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
total_count	Integer	Number of abnormal instances queried by the current metric.
instance_infos	Array of InstanceInfoForDiagnosis objects	Information about the abnormal instances.

**Table 5** InstanceInfoForDiagnosis
Parameter	Type	Description
instance_id	String	Instance ID.
master_node_id	String	Primary node ID.

Status code: 400

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 7** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Request

Querying abnormal instance information based on project_id and a metric name (The information is displayed on multiple pages.)

GET https://{endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/instances/diagnosis-instance-infos?metric_name=high_pressure&offset=0&limit=10

Example Response

Status code: 200

Success.

{
  "total_count" : 6,
  "instance_infos" : [ {
    "instance_id" : "6206d5be05914703938ff9dfe5c07d34in07",
    "master_node_id" : "7fe925aa8bab4cc9bac3990a94386c29no07"
  }, {
    "instance_id" : "cbdb32e08f0440158c4f2998dbf69b14in07",
    "master_node_id" : "3e90e7b99b964dca9704b3af903fcb41no07"
  }, {
    "instance_id" : "325af119c2ca4e77b1deb4810a9b921bin07",
    "master_node_id" : "f4dfb362039a45818e59416abc9a5ca6no07"
  }, {
    "instance_id" : "9e8b52a5b6e84f4a9e4db01235b1c770in07",
    "master_node_id" : "408666cd6f104133ad0685b722f88cffno07"
  }, {
    "instance_id" : "5814254f12f74d16bd0a93885b00867fin07",
    "master_node_id" : "637d96ffbf6745ff835445fe87d08fc5no07"
  }, {
    "instance_id" : "d0da4882ebdf44bd9d3f1edf9b0bd4a2in07",
    "master_node_id" : "7a670f4ecdf14db5a4b5df737b0911a5no07"
  } ]
}