Help Center/ Distributed Message Service for Kafka/ FAQs/ Connections/ Is There a Limit on the Number of Client Connections to a Kafka Instance?

Updated on 2024-12-16 GMT+08:00

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Is There a Limit on the Number of Client Connections to a Kafka Instance?

Yes. The maximum allowed number of client connections varies by instance specifications.

**Table 2** Number of connections of later Kafka instances
Flavor	Max. Client Connections per Broker
kafka.2u4g.cluster.small	2,000
kafka.2u4g.single.small	2,000
kafka.2u4g.cluster	2,000
kafka.2u4g.single	2,000
kafka.4u8g.cluster	4,000
kafka.8u16g.cluster	4,000
kafka.12u24g.cluster	4,000
kafka.16u32g.cluster	4,000

Parent topic: Connections

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