Updated on 2025-12-18 GMT+08:00

Querying Flavor List

Function

This API is used to query the flavor list of an engine.

Calling Method

For details, see Calling APIs.

URI

GET /v2/{engine}/products

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

engine

Yes

String

Definition

Message engine type.

Constraints

N/A

Range

  • rocketmq: RocketMQ message engine.

  • reliability: RocketMQ message engine alias.

Default Value

rocketmq

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

type

No

String

Definition

Product type.

Constraints

N/A

Range

  • advanced: Huawei Cloud service type.

  • dec: Dedicated cloud service type.

Default Value

N/A

product_id

No

String

Definition

RocketMQ instance flavors.

Constraints

N/A

Range

  • c6.4u8g.cluster.small: Max. 2,000 topics and 2,000 consumer groups per broker

  • c6.4u8g.cluster: Max. 4,000 topics and 4,000 consumer groups per broker

  • c6.8u16g.cluster: Max. 8,000 topics and 8,000 consumer groups per broker

  • c6.12u24g.cluster: Max. 12,000 topics and 12,000 consumer groups per broker

  • c6.16u32g.cluster: Max. 16,000 topics and 16,000 consumer groups per broker

  • rocketmq.b1.large.1: RocketMQ 5.x basic edition single-node flavor, instance TPS 500

  • rocketmq.b2.large.4: RocketMQ 5.x basic edition cluster flavor, instance TPS 2,000

  • rocketmq.b2.large.8: RocketMQ 5.x basic edition cluster flavor, instance TPS 4,000

  • rocketmq.b2.large.12: RocketMQ 5.x basic edition cluster flavor, instance TPS 6,000

  • rocketmq.p1.large.1: RocketMQ 5.x professional edition single-node flavor, instance TPS 500

  • rocketmq.p2.large.8: RocketMQ 5.x professional edition cluster flavor, instance TPS 4,000

  • rocketmq.p2.large.12: RocketMQ 5.x professional edition cluster flavor, instance TPS 6,000

  • rocketmq.p2.large.20: RocketMQ 5.x professional edition cluster flavor, instance TPS 10,000

  • rocketmq.p2.large.40: RocketMQ 5.x professional edition cluster flavor, instance TPS 20,000

  • rocketmq.p2.large.100: RocketMQ 5.x professional edition cluster flavor, instance TPS 50,000

  • rocketmq.p2.large.150: RocketMQ 5.x professional edition cluster flavor, instance TPS 75,000

  • rocketmq.p2.large.200: RocketMQ 5.x professional edition cluster flavor, instance TPS 100,000

  • rocketmq.p2.large.300: RocketMQ 5.x professional edition cluster flavor, instance TPS 150,000

Default Value

N/A

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

total

Number

Definition

Total number.

Range

≥ 0

next_offset

Integer

Definition

Offset of the next page.

Range

≥ 0

previous_offset

Integer

Definition

Offset of the previous page.

Range

≥ 0

engine

String

Definition

Engine type.

Range

  • rocketmq: RocketMQ message engine.

  • reliability: RocketMQ message engine alias.

versions

Array of strings

Definition

Supported versions.

products

Array of ProductEntity objects

Definition

Instance details.

Table 4 ProductEntity

Parameter

Type

Description

type

String

Definition

Product type.

Range

  • single: 4.8.0 single-node.

  • cluster: 4.8.0 cluster

  • single.basic: 5.x single-node basic edition.

  • cluster.basic: 5.x cluster basic edition

  • cluster.professional: 5.x cluster professional edition

product_id

String

Definition

RocketMQ instance flavors.

Range

  • c6.4u8g.cluster.small: Max. 2,000 topics and 2,000 consumer groups per broker

  • c6.4u8g.cluster: Max. 4,000 topics and 4,000 consumer groups per broker

  • c6.8u16g.cluster: Max. 8,000 topics and 8,000 consumer groups per broker

  • c6.12u24g.cluster: Max. 12,000 topics and 12,000 consumer groups per broker

  • c6.16u32g.cluster: Max. 16,000 topics and 16,000 consumer groups per broker

  • rocketmq.b1.large.1: RocketMQ 5.x basic edition single-node flavor, instance TPS 500

  • rocketmq.b2.large.4: RocketMQ 5.x basic edition cluster flavor, instance TPS 2,000

  • rocketmq.b2.large.8: RocketMQ 5.x basic edition cluster flavor, instance TPS 4,000

  • rocketmq.b2.large.12: RocketMQ 5.x basic edition cluster flavor, instance TPS 6,000

  • rocketmq.p1.large.1: RocketMQ 5.x professional edition single-node flavor, instance TPS 500

  • rocketmq.p2.large.8: RocketMQ 5.x professional edition cluster flavor, instance TPS 4,000

  • rocketmq.p2.large.12: RocketMQ 5.x professional edition cluster flavor, instance TPS 6,000

  • rocketmq.p2.large.20: RocketMQ 5.x professional edition cluster flavor, instance TPS 10,000

  • rocketmq.p2.large.40: RocketMQ 5.x professional edition cluster flavor, instance TPS 20,000

  • rocketmq.p2.large.100: RocketMQ 5.x professional edition cluster flavor, instance TPS 50,000

  • rocketmq.p2.large.150: RocketMQ 5.x professional edition cluster flavor, instance TPS 75,000

  • rocketmq.p2.large.200: RocketMQ 5.x professional edition cluster flavor, instance TPS 100,000

  • rocketmq.p2.large.300: RocketMQ 5.x professional edition cluster flavor, instance TPS 150,000

ecs_flavor_id

String

Definition

ID of an ECS flavor. For details, see the flavor list in the ECS specifications.

Range

N/A

billing_code

String

Definition

CBC flavor code.

Range

  • dms.platinum.c6: Huawei Cloud billing mode.

  • dms.platinum.c6.dec: Dedicated cloud billing mode.

arch_types

Array of strings

Definition

Supported architectures.

charging_mode

Array of strings

Definition

Billing mode.

ios

Array of IOSEntity objects

Definition

Supported I/O types.

Range

N/A

support_features

Array of strings

Definition

Supported feature list.

Range

N/A

properties

properties object

Definition

Product features.

Range

N/A

qingtian_incompatible

Boolean

Definition

Whether the instance is a QingTian one.

Range

  • true: Yes

  • false: No

Table 5 IOSEntity

Parameter

Type

Description

available_zones

Array of strings

Definition

AZ.

Range

N/A

unavailable_zones

Array of strings

Definition

Unavailability zones.

Range

N/A

io_spec

String

Definition

Storage flavor code.

Range

  • dms.physical.storage.high.v2: high I/O disk

  • dms.physical.storage.ultra.v2: ultra-high I/O disk

  • dms.physical.storage.general: general-purpose SSD

  • dms.physical.storage.extreme: extreme SSD

type

String

Definition

Service type.

Range

evs

Table 6 properties

Parameter

Type

Description

max_topic

String

Definition

Maximum number of topics.

Range

N/A

broker_num

String

Definition

Broker quantity.

Range

N/A

core

String

Definition

Number of billing cores of an entire instance.

Range

N/A

max_consumer

String

Definition

Maximum number of consumers in an instance.

Range

N/A

rcu

String

Definition

Traffic unit, rcu * max_tpc_per_rcu = Maximum flavor TPS.

Range

N/A

max_storage

String

Definition

Maximum storage space, in GB.

Range

N/A

max_storage_per_node

String

Definition

Maximum storage space of each node, in GB.

Range

N/A

product_alias

String

Definition

Alias of product_id.

Range

N/A

max_tps_per_rcu

String

Definition

Maximum TPS of each RCU.

Range

N/A

engine_versions

String

Definition

Message engine version.

Range

  • 4.8.0

  • 5.x

min_storage

String

Definition

Minimum storage space, in GB.

Range

N/A

min_storage_per_node

String

Definition

Minimum storage per node. Unit: GB.

Range

N/A

max_broker

String

Definition

Maximum number of brokers.

Range

N/A

max_topic_per_broker

String

Definition

Maximum number of topics that can be created on each broker.

Range

N/A

max_consumer_per_broker

String

Definition

Maximum number of consumers on each broker.

Range

N/A

min_broker

String

Definition

Minimum number of brokers.

Range

N/A

Example Requests

GET https://{endpoint}/v2/reliability/products?product_id=rocketmq.b1.large.1

Example Responses

Status code: 200

Successful

{
  "total" : 1,
  "next_offset" : -1,
  "previous_offset" : -1,
  "engine" : "rocketmq",
  "versions" : [ "5.x" ],
  "products" : [ {
    "type" : "single.basic",
    "product_id" : "rocketmq.b1.large.1",
    "ecs_flavor_id" : "c6.large.4",
    "billing_code" : "dms.rocketmq.basic.single.tps",
    "arch_types" : [ "X86" ],
    "charging_mode" : [ "monthly", "hourly" ],
    "ios" : [ {
      "io_spec" : "dms.physical.storage.high.v2",
      "available_zones" : [ "cn-southwest-xxa", "cn-southwest-xxb" ],
      "type" : "evs",
      "unavailable_zones" : [ "cn-southwest-xxc" ]
    }, {
      "io_spec" : "dms.physical.storage.ultra.v2",
      "available_zones" : [ "cn-southwest-xxa", "cn-southwest-xxb" ],
      "type" : "evs",
      "unavailable_zones" : [ "cn-southwest-xxc" ]
    } ],
    "support_features" : [ ],
    "properties" : {
      "max_topic" : 50,
      "broker_num" : 1,
      "core" : 1,
      "max_consumer" : 500,
      "rcu" : 1,
      "max_storage" : 30000,
      "max_storage_per_node" : 90000,
      "min_storage" : 100,
      "product_alias" : "rocketmq.b1.large.1",
      "max_tps_per_rcu" : 500,
      "engine_versions" : "5.x",
      "min_storage_per_node" : 300
    },
    "qingtian_incompatible" : false
  } ]
}

SDK Sample Code

The SDK sample code is as follows.

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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 ListEngineProductsSolution {

    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");

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

        RocketMQClient client = RocketMQClient.newBuilder()
                .withCredential(auth)
                .withRegion(RocketMQRegion.valueOf("<YOUR REGION>"))
                .build();
        ListEngineProductsRequest request = new ListEngineProductsRequest();
        request.withEngine("{engine}");
        try {
            ListEngineProductsResponse response = client.listEngineProducts(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());
        }
    }
}
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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"]

    credentials = BasicCredentials(ak, sk)

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

    try:
        request = ListEngineProductsRequest()
        request.engine = "{engine}"
        response = client.list_engine_products(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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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")

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

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

    request := &model.ListEngineProductsRequest{}
	request.Engine = "{engine}"
	response, err := client.ListEngineProducts(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

Successful

Error Codes

See Error Codes.