Help Center/ Distributed Message Service for Kafka/ User Guide (Kuala Lumpur Region)/ FAQs/ Topics and Partitions/ Is There a Limit on the Number of Topics in a Kafka Instance?
Updated on 2024-05-30 GMT+08:00

Is There a Limit on the Number of Topics in a Kafka Instance?

The number of topics is related to the total number of topic partitions and the number of partitions in each topic. There is an upper limit on the aggregate number of partitions of topics. When this limit is reached, no more topics can be created.

The partition limit varies depending on the flavor, as shown in the following table.

Table 1 Kafka instance specifications (cluster)

Flavor

Brokers

Maximum TPS per Broker

Maximum Partitions per Broker

Recommended Consumer Groups per Broker

Maximum Client Connections per Broker

Storage Space

Traffic per Broker (MB/s)

kafka.2u4g.cluster

3–30

30,000

250

20

2000

300 GB–300,000 GB

100

kafka.4u8g.cluster

3–30

100,000

500

100

4000

300 GB–600,000 GB

200

kafka.8u16g.cluster

3–50

150,000

1000

150

4000

300 GB–1,500,000 GB

375

kafka.12u24g.cluster

3–50

200,000

1500

200

4000

300 GB–1,500,000 GB

625

kafka.16u32g.cluster

3–50

250,000

2000

200

4000

300 GB–1,500,000 GB

750