Help Center/ Distributed Message Service for Kafka/ User Guide (Paris Region)/ FAQs/ Connections/ Is There a Limit on the Number of Client Connections to a Kafka Instance?
Updated on 2024-04-07 GMT+08:00
View PDF
Share

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.

  • If the bandwidth is 100 MB/s, a maximum of 3000 client connections are allowed.
  • If the bandwidth is 300 MB/s, a maximum of 10,000 client connections are allowed.
  • If the bandwidth is 600 MB/s, a maximum of 20,000 client connections are allowed.
  • If the bandwidth is 1200 MB/s, a maximum of 20,000 client connections are allowed.
  • If the flavor is kafka.2u4g.cluster, a maximum of 2000 client connections are allowed for each broker.
  • If the flavor is kafka.4u8g.cluster, a maximum of 4000 client connections are allowed for each broker.
  • If the flavor is kafka.8u16g.cluster, a maximum of 4000 client connections are allowed for each broker.
  • If the flavor is kafka.12u24g.cluster, a maximum of 4000 client connections are allowed for each broker.
  • If the flavor is kafka.16u32g.cluster, a maximum of 4000 client connections are allowed for each broker.
Parent topic: Connections