Release Notes and Announcements

Release Notes

Announcements

Product Introduction

Introduction and Selection of the TDMQ Product Series

What Is TDMQ for RocketMQ

Strengths

Scenarios

Product Series

Comparison with Open-Source RocketMQ

High Availability

Quotas and Limits

Supported Regions

Basic Concepts

Billing

Billing Overview

Pricing

Billing Examples

Pay-as-you-go Switch to Monthly Subscription (5.x)

Renewal

Viewing Consumption Details

Refund

Overdue Payments

Getting Started

Getting Started Guide

Preparations

Step 1: Creating TDMQ for RocketMQ Resources

Step 2: Using the SDK to Send and Receive Messages (Recommended)

Step 2: Running the TDMQ for RocketMQ Client (Optional)

Step 3: Querying Messages

Step 4: Deleting Resources

User Guide

Usage Process Guide

Configuring Account Permissions

Creating the Cluster

Configuring the Namespace

Configuring the Topic

Configuring the Group

Connecting to the Cluster

Managing Messages

Managing the Cluster

Viewing Monitoring Data and Configuring Alarms

Cross-Cluster Message Replication

Use Cases

Naming Conventions for Common Concepts of TDMQ for RocketMQ

RocketMQ Client Use Cases

RocketMQ Performance Load Testing and Capacity Assessment

Access over HTTP

Client Risk Descriptions and Update Guide

Migration Guide for TencentCloud API Operations Related to RocketMQ 4.x Cluster Roles

Migration Guide

Disruptive Migration

Seamless Migration

Developer Guide

Message Types

Message Filtering

Message Retries

POP Consumption Mode (5.x)

Clustering Consumption and Broadcasting Consumption

Subscription Relationship Consistency

Traffic Throttling

API Reference(5.x)

History

API Category

Making API Requests

Topic APIs

Consumer Group APIs

Message APIs

Role Authentication APIs

Hitless Migration APIs

Cloud Migration APIs

Cluster APIs

Data Types

Error Codes

API Reference(4.x)

SDK Reference

SDK Overview

5.x SDK

4.x SDK

Security and Compliance

Permission Management

CloudAudit

Deletion Protection

FAQs

4.x Instance FAQs

Agreements

TDMQ for RocketMQ Service Level Agreement

Quotas and Limits

PDF

Modo Foco

Tamanho da Fonte

Última atualização: 2026-01-23 17:09:49

This document describes the metric and performance limits of TDMQ for RocketMQ clusters. To prevent exceptions, take note of these limits when you use the product.
5.x Clusters
4.x Clusters
Clusters
Limit Type
Limit
Cluster name length
3 to 64 characters.
Upper limit of cluster TPS
Different clusters are limited according to their specifications, and exceeding these limits will result in traffic throttling. TPS is calculated based on message type and message size. For the specific calculation standards, see 5.x Clusters.
Public network security policy
50 items.
Topic
Limit Type
Limit of Trial Edition Clusters
Limit of Basic Edition Clusters
Limit of Pro Edition Clusters
Limit of Platinum Edition Clusters
Maximum number of topics in a single cluster
50. The topics corresponding to dead letter queues and retry queues are not counted against the quota.
100 to 999. The specific quota is calculated based on different cluster specifications. The quota can be self-increased in the console. For more information, see 5.x Clusters. The topics corresponding to dead letter queues and retry queues are not counted against the quota.
300 to 999. The specific quota is calculated based on different cluster specifications. The quota can be self-increased in the console. For more information, see 5.x Clusters. The topics corresponding to dead letter queues and retry queues are not counted against the quota.
1,000 to 10,000. The specific quota is calculated based on different cluster specifications. The quota can be self-increased in the console. For more information, see 5.x Clusters. The topics corresponding to dead letter queues and retry queues are not counted against the quota.
Topic name length
3 to 100 characters.
3 to 100 characters.
3 to 100 characters.
3 to 100 characters.
Maximum number of producer clients for a single topic
1000
1000
1000
1000
Maximum number of consumer clients for a single topic
500
500
500
500
Group
Limit Type
Limit of Trial Edition Clusters
Limit of Basic Edition Clusters
Limit of Pro Edition Clusters
Limit of Platinum Edition Clusters
Maximum number of groups in a single cluster
500
1,000 to 2,000. The specific quota is calculated based on different cluster specifications. The quota can be self-increased in the console. For more information, see 5.x Clusters documentation.
3,000 to 10,000. The specific quota is calculated based on different cluster specifications. The quota can be self-increased in the console. For more information, see 5.x Clusters.
10,000 to 100,000. The specific quota is calculated based on different cluster specifications. The quota can be self-increased in the console. For more information, see 5.x Clusters.
Group name length
3 to 64 characters.
3 to 64 characters.
3 to 64 characters.
3 to 64 characters.
Messages
Limit Type
Limit of Trial Edition Clusters
Limit of Basic Edition Clusters
Limit of Pro Edition Clusters
Limit of Platinum Edition Clusters
Maximum message retention time
1 to 3 days. The default value is 3 days. The upper limit is adjustable at the cluster level.
﻿
1 to 7 days. The default value is 3 days. The upper limit is adjustable at the topic level.
﻿
Maximum message delay
7 days
40 days. If you have special requirements, submit a ticket for consultation.﻿
40 days. If you have special requirements, submit a ticket for consultation.﻿
Customizable; up to 1 year.
Message size
4 MB
 4 MB
The maximum message size is 4 MB. If you have special requirements, submit a ticket for consultation.﻿
Customizable
Consumer offset reset
The default value is 3 days, same as the message retention time.
﻿
﻿
﻿
Clusters
Limit Type
Limit of Virtual Clusters
Limit of Exclusive Clusters
Limit of General Clusters
Maximum number of clusters in a single region
10.
Not limited.
Not limited.
Cluster name length
3 to 64 characters.
3 to 64 characters.
3 to 64 characters.
Upper limit of cluster TPS
4000
Greater than 2,000. The specific quota is calculated based on different node specifications.
Greater than 8,000. The specific quota is calculated based on different TPS specifications.
Public network security policy
Not supported.
50 items.
50 items.
Namespaces
Limit Type
Limit of Virtual Clusters
Limit of Exclusive Clusters
Limit of General Clusters
Maximum number of namespaces in a single cluster
10.
10.
N/A
Namespace name length
3 to 32 characters.
3 to 32 characters.
N/A
Topic
Limit Type
Limit of Virtual Clusters
Limit of Exclusive Clusters
Limit of General Clusters
Maximum number of topics in a single cluster
150. The topics corresponding to dead letter queues and retry queues are not counted against the quota.
200 to 500. The specific quota is calculated based on different cluster specifications. The topics corresponding to dead letter queues and retry queues are not counted against the quota.
The default value is 400. The specific quota is calculated based on different cluster specifications. The topics corresponding to dead letter queues and retry queues are not counted against the quota.
Topic name length
3 to 64 characters.
3 to 64 characters.
3 to 64 characters.
Maximum number of producers for a single topic
1000
1000
1000
Maximum number of consumers for a single topic
500
500
500
Group
Limit Type
Limit of Virtual Clusters
Limit of Exclusive Clusters
Limit of General Clusters
Maximum number of groups in a single cluster
1500
2,000 to 5,000. The specific quota is calculated based on different cluster specifications.
The default value is 4,000. The specific quota is calculated based on different cluster specifications.
Group name length
3 to 64 characters.
3 to 64 characters.
3 to 64 characters.
Messages
Limit Type
Limit of Virtual Clusters
Limit of Exclusive Clusters
Limit of General Clusters
Maximum message retention time
3 days.
The default value is 3 days. The upper limit is adjustable at the cluster level.
The default value is 3 days. The upper limit is adjustable at the cluster level.
Maximum message delay
40 days.
40 days. If you have special requirements, submit a ticket for consultation.
40 days. If you have special requirements, submit a ticket for consultation.
Message size
4 MB
The maximum message size is 4 MB. If you have special requirements, submit a ticket for consultation.
The maximum message size is 4 MB. If you have special requirements, submit a ticket for consultation.
Consumer offset reset
3 days.
The default value is 3 days, same as the message retention time.
The default value is 3 days, same as the message retention time.
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﻿
﻿

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Limit Type	Limit
Cluster name length	3 to 64 characters.
Upper limit of cluster TPS	Different clusters are limited according to their specifications, and exceeding these limits will result in traffic throttling. TPS is calculated based on message type and message size. For the specific calculation standards, see 5.x Clusters.
Public network security policy	50 items.

Limit Type	Limit of Trial Edition Clusters	Limit of Basic Edition Clusters	Limit of Pro Edition Clusters	Limit of Platinum Edition Clusters
Maximum number of topics in a single cluster	50. The topics corresponding to dead letter queues and retry queues are not counted against the quota.	100 to 999. The specific quota is calculated based on different cluster specifications. The quota can be self-increased in the console. For more information, see 5.x Clusters. The topics corresponding to dead letter queues and retry queues are not counted against the quota.	300 to 999. The specific quota is calculated based on different cluster specifications. The quota can be self-increased in the console. For more information, see 5.x Clusters. The topics corresponding to dead letter queues and retry queues are not counted against the quota.	1,000 to 10,000. The specific quota is calculated based on different cluster specifications. The quota can be self-increased in the console. For more information, see 5.x Clusters. The topics corresponding to dead letter queues and retry queues are not counted against the quota.
Topic name length	3 to 100 characters.	3 to 100 characters.	3 to 100 characters.	3 to 100 characters.
Maximum number of producer clients for a single topic	1000	1000	1000	1000
Maximum number of consumer clients for a single topic	500	500	500	500

Limit Type	Limit of Virtual Clusters	Limit of Exclusive Clusters	Limit of General Clusters
Maximum number of clusters in a single region	10.	Not limited.	Not limited.
Cluster name length	3 to 64 characters.	3 to 64 characters.	3 to 64 characters.
Upper limit of cluster TPS	4000	Greater than 2,000. The specific quota is calculated based on different node specifications.	Greater than 8,000. The specific quota is calculated based on different TPS specifications.
Public network security policy	Not supported.	50 items.	50 items.

tencent cloud

TDMQ for RocketMQ

Quotas and Limits

Clusters

Topic

Group

Messages

Clusters

Namespaces

Topic

Group

Messages

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