Updated on 2024-07-05 GMT+08:00

Resetting the Consumer Offset

Function

This API is used to reset the consumer offset.

Calling Method

For details, see Calling APIs.

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.

project_id

Yes

String

Project ID. For details, 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

Yes

String

Topic to be reset.

timestamp

Yes

String

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
  } ]
}

SDK Sample Code

The SDK sample code is as follows.

Resetting consumer offset of topic_01 to a specified time point

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.rocketmq.v2.region.RocketMQRegion;
import com.huaweicloud.sdk.rocketmq.v2.*;
import com.huaweicloud.sdk.rocketmq.v2.model.*;


public class ResetConsumeOffsetSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        RocketMQClient client = RocketMQClient.newBuilder()
                .withCredential(auth)
                .withRegion(RocketMQRegion.valueOf("<YOUR REGION>"))
                .build();
        ResetConsumeOffsetRequest request = new ResetConsumeOffsetRequest();
        request.withEngine(ResetConsumeOffsetRequest.EngineEnum.fromValue("{engine}"));
        request.withInstanceId("{instance_id}");
        request.withGroupId("{group_id}");
        ResetConsumeOffsetReq body = new ResetConsumeOffsetReq();
        body.withTimestamp("1662652800000");
        body.withTopic("topic_01");
        request.withBody(body);
        try {
            ResetConsumeOffsetResponse response = client.resetConsumeOffset(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Resetting consumer offset of topic_01 to a specified time point

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkrocketmq.v2.region.rocketmq_region import RocketMQRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkrocketmq.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = RocketMQClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(RocketMQRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ResetConsumeOffsetRequest()
        request.engine = "{engine}"
        request.instance_id = "{instance_id}"
        request.group_id = "{group_id}"
        request.body = ResetConsumeOffsetReq(
            timestamp="1662652800000",
            topic="topic_01"
        )
        response = client.reset_consume_offset(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Resetting consumer offset of topic_01 to a specified time point

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    rocketmq "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := rocketmq.NewRocketMQClient(
        rocketmq.RocketMQClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ResetConsumeOffsetRequest{}
	request.Engine = model.GetResetConsumeOffsetRequestEngineEnum().ENGINE
	request.InstanceId = "{instance_id}"
	request.GroupId = "{group_id}"
	request.Body = &model.ResetConsumeOffsetReq{
		Timestamp: "1662652800000",
		Topic: "topic_01",
	}
	response, err := client.ResetConsumeOffset(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

Consumer offset reset.

Error Codes

See Error Codes.