When the slave node goes down, the number of Redis cluster connections doubles

[1209233066]

version

Lettuce version: 6.0.1
Redis cluster version: 5.0.14
Redis cluster topology: 1master-->2slave

logging

1. Usually, the client’s number is 270 0000,but the connections increase to 610 0000 when i stop one slave node.

2. At the same time, I also saw the TCP flood via demsg |tail.

   TCP: request_sock_TCP: Possible SYN flooding on port 6379. Sending cookies. Check SNMP counters

3. The redis-server log is this: Error registering fd event for the new client: result not representable (fd=13128)

[mp911de]

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