Help Center/ Distributed Message Service for Kafka/ FAQs/ Connections/ How Many Connection Addresses Does a Kafka Instance Have by Default?
Updated on 2025-09-15 GMT+08:00
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How Many Connection Addresses Does a Kafka Instance Have by Default?

The number of connection addresses of a Kafka instance is the same as the number of brokers of the instance. The following table lists the number of brokers corresponding to each flavor.

Table 1 Cluster Kafka instance specifications

Flavor

Brokers

Maximum TPS per Broker

Maximum Partitions per Broker

Recommended Consumer Groups per Broker

Maximum Client Connections per Broker

Storage Space (GB)

Traffic per Broker (MB/s)

kafka.2u4g.cluster.small

3–30

20,000

100

15

2,000

300–300,000

40

kafka.2u4g.cluster

3–30

30,000

250

20

2,000

300–300,000

100

kafka.4u8g.cluster

3–30

100,000

500

100

4,000

300–600,000

200

kafka.8u16g.cluster

3–50

150,000

1000

150

4,000

300–1,500,000

375

kafka.12u24g.cluster

3–50

200,000

1,500

200

4,000

300–1,500,000

625

kafka.16u32g.cluster

3–50

250,000

2,000

200

4,000

300–1,500,000

750
Parent topic: Connections