Help Center> Distributed Message Service for RocketMQ> API Reference (Paris Region)> APIs V2 (Recommended)> Consumer Group Management> Resetting the Consumer Offset
Updated on 2023-08-29 GMT+08:00
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Resetting the Consumer Offset

Function

This API is used to reset the consumer offset.

URI

POST /v2/{engine}/{project_id}/instances/{instance_id}/groups/{group_id}/reset-message-offset

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

engine

Yes

String

Engine type. Value: reliability.

Default: reliability

project_id

Yes

String

Project ID. For details about how to obtain it, see Obtaining a Project ID.

instance_id

Yes

String

Instance ID.

group_id

Yes

String

Consumer group name.

Request Parameters

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

topic

No

String

Topic to be reset.

timestamp

No

Number

Reset time.

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

queues

Array of queues objects

Queues to be reset.
Table 4 queues

Parameter

Type

Description

broker_name

String

Broker where the queue is located.

queue_id

Integer

Queue ID.

timestamp_offset

Long

Target offset.

Example Requests

Resetting consumer offset of topic_01 to a specified time point

POST https://{endpoint}/v2/{engine}/{project_id}/instances/{instance_id}/groups/{group_id}/reset-message-offset

{
  "topic" : "topic_01",
  "timestamp" : 1662652800000
}

Example Responses

Status code: 200

Consumer offset reset.

{
  "queues" : [ {
    "broker_name" : "broker-1",
    "queue_id" : 0,
    "timestamp_offset" : 0
  } ]
}

Status Codes

Status Code

Description

200

Consumer offset reset.

Error Codes

See Error Codes.