socket.listen.backlog.size — Kafka Broker Configuration
The maximum number of pending connections on the socket. In Linux, you may also need to configure somaxconn and tcp_max_syn_backlog kernel parameters accordingly to make the configuration takes effect.
Description
The maximum number of pending connections on the socket. In Linux, you may also need to configure somaxconn and tcp_max_syn_backlog kernel parameters accordingly to make the configuration takes effect.
Default Values by Kafka Version
| Kafka Version | Default Value |
|---|---|
| 3.2 | 50 |
| 3.3 | 50 |
| 3.4 | 50 |
| 3.5 | 50 |
| 3.6 | 50 |
| 3.7 | 50 |
| 3.8 | 50 |
| 3.9 | 50 |
| 4.0 | 50 |
| 4.1 | 50 |
| 4.2 | 50 |
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