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TencentDB for CTSDB
DocumentationTencentDB for CTSDBHTTP API ReferencesCTSDB 1.0Deleting Metric Field
Deleting Metric Field
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Last updated: 2025-01-03 10:36:57
Deleting Metric Field
Last updated: 2025-01-03 10:36:57
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Request Address

The address is the instance IP and port, such as 10.13.20.15:9200, which can be obtained in the console.

Request Path and Method

Path: /_metric/${metric_name}/delete, where ${metric_name} is the metric name. Method: PUT

Request Parameters

None

Request Content

Parameter
Required
Type
Description
tags
No
Array
Enumeration of the tag fields to be deleted, such as "tags": ["ip"]
fields
No
Array
Enumeration of the data fields to be deleted, such as "fields": ["diskUsage"]
Note:
As historical data cannot be modified, after fields are deleted, the metric information will not change until the next child metric is generated. If you want to check whether the deletion is successful, you can call the GET /_metric/${metric_name}?v API.

Response Content

You need to judge whether a request is successful based on the error field. If the response content contains the error field, the request failed. For the error details, please see the error field description.

Sample Code for curl

Request: 
curl -u root:le201909 -H 'Content-Type:application/json' -X PUT 172.16.345.14:9201/_metric/ctsdb_test1/delete -d'
{
    "tags": ["ip"],        
    "fields": ["cpu"]   
}'
Response:
{
    "acknowledged": true,
    "message": "update ctsdb_test1 metric success!"
}
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