环境
- EMQX 版本:5.0.20
- 操作系统版本:ubuntu
重现此问题的步骤
- 多线程请求10-100个mqtt连接
- 会出现连接端口情况
- 错误日志:
2023-06-12T03:53:20+00:00 [MQTT] 5dbc67c4698140a4a124ef58ca443bc9@115.21.50.7:16911 msg: mqtt_packet_received, packet: CONNECT(Q0, R0, D0, ClientId=5dbc67c4698140a4a124ef58ca443bc9, ProtoName=MQTT, ProtoVsn=4, CleanStart=false, KeepAlive=20, Username=undefined, Password=)
2023-06-12T03:53:20+00:00 [AUTHN] 5dbc67c4698140a4a124ef58ca443bc9@115.236.11:16911 msg: authentication_result, reason: empty_chain, result: ignore
2023-06-12T03:53:20+00:00 [SOCKET] 5dbc67c4698140a4a124ef58ca443bc9@115.236117:19075 msg: emqx_connection_terminated, reason: {shutdown,takenover}
2023-06-12T03:53:20+00:00 [MQTT] 5dbc67c4698140a4a124ef58ca443bc9@115.236.11.7:16911 msg: mqtt_packet_sent, packet: CONNACK(Q0, R0, D0, AckFlags=1, ReasonCode=0)