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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 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.small	3–30	20,000	100	15	2000	300 GB–300,000 GB	40
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

Table 2 Kafka instance specifications (single-node)

Flavor	Brokers	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.single.small	1	20,000	100	15	2000	100 GB–10,000 GB	40
kafka.2u4g.single	1	30,000	250	20	2000	100 GB–10,000 GB	100

Parent topic: Connections