Modifying a Log Stream¶

Function¶

This API is used to modify the log retention duration of a specified log stream.

URI¶

PUT /v2/{project_id}/groups/{log_group_id}/streams-ttl/{log_stream_id}

**Table 1** Path Parameters¶
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain a project ID, see Obtaining the Project ID, Account ID, Log Group ID, and Log Stream ID. Minimum length: 36 characters. Maximum length: 36 characters.
log_group_id	Yes	String	Log group ID. For details about how to obtain a log group ID, see Obtaining the Project ID, Account ID, Log Group ID, and Log Stream ID. Minimum length: 36 characters. Maximum length: 36 characters.
log_stream_id	Yes	String	Log stream ID. For details about how to obtain a log stream ID, see Obtaining the Project ID, Account ID, Log Group ID, and Log Stream ID. Minimum length: 36 characters. Maximum length: 36 characters.

Request Parameters¶

**Table 2** Request header parameters¶
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token obtained from IAM. For details about how to obtain a user token, see Obtaining a User Token. Minimum length: 1000 characters; Maximum length: 2000 characters.
Content-Type	Yes	String	Set this parameter to application/json;charset=UTF-8. Minimum length: 30 characters. Maximum length: 30 characters.

**Table 3** Request body parameters¶
Parameter	Mandatory	Type	Description
ttl_in_days	Yes	Integer	Log retention duration (days). Minimum: 1 Maximum: 365
tags	No	Array of tagsBody objects	Tag field information.

**Table 4** tagsBody¶
Parameter	Mandatory	Type	Description
key	Yes	String	Tag key. Use only UTF-8 letters, digits, spaces, and the following characters: .:=+-@. Do not start with an underscore (). Max 128 characters are allowed.
value	Yes	String	Tag value. Use only UTF-8 letters, digits, spaces, and the following characters: `_.:/=+-@.` Max 255 characters are allowed.

Response Parameters¶

Status code: 200

**Table 5** Response body parameters¶
Parameter	Type	Description
creation_time	Long	Time when a log stream is created.
log_topic_name	String	Name of a log stream.
log_topic_id	String	Log stream ID.
ttl_in_days	Integer	Log retention duration (days).

Status code: 400

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

Status code: 401

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

Status code: 403

**Table 8** Response body parameters¶
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 9** Response body parameters¶
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Requests¶

Modify a log stream.

PUT https://{endpoint}/v2/{project_id}/groups/{log_group_id}/streams-ttl/{log_stream_id}

{
  "ttl_in_days" : 8
}

Example Responses¶

Status code: 200

The request has succeeded and the log group has been modified.

{
  "creation_time" : 1629947408497,
  "log_topic_name" : "string",
  "log_topic_id" : "string",
  "ttl_in_days" : 8
}

Status code: 400

BadRequest. Invalid request. Modify the request based on the description in error_msg before a retry.

{
  "error_code" : "LTS.0009",
  "error_msg" : "Failed to validate the request body"
}

Status code: 401

AuthFailed. Authentication failed. Check the token and try again.

{
  "error_code" : "LTS.0414",
  "error_msg" : "Invalid token"
}

Status code: 403

Forbidden. The request is rejected. The server has received the request and understood it, but refuses to respond to it. The client should not repeat the request without modifications.

{
  "error_code" : "LTS.0001",
  "error_msg" : "Invalid projectId"
}

Status code: 500

InternalServerError. The server has received the request but encountered an internal error.

{
  "error_code" : "LTS.0204",
  "error_msg" : "Failed to update log stream"
}

Status Codes¶

Status Code	Description
200	The request has succeeded and the log group has been modified.
400	BadRequest. Invalid request. Modify the request based on the description in error_msg before a retry.
401	AuthFailed. Authentication failed. Check the token and try again.
403	Forbidden. The request is rejected. The server has received the request and understood it, but refuses to respond to it. The client should not repeat the request without modifications.
500	InternalServerError. The server has received the request but encountered an internal error.
503	ServiceUnavailable. The requested service is unavailable.

Error Codes¶

See Error Codes.

last updated: 2025-10-17 11:00 UTC - commit: 1aef8cbecb9139d36db154d6ff3015832882e151