The total number of rules is 78032.
We tried to increase the number of threads from 16 to 28 to 46, then the CPU and drops were even greater.
We tried to configure according to these instructions 11.5. High Performance Configuration — Suricata 8.0.0-dev documentation
It will display a message that the key is too short. Is this relevant?
/usr/local/sbin/ethtool -X eth1 hkey 6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A:6D:5A equal 16
Error: Key is too long for device (41 > 40)