Hi there,

We are using PF in in-band mode and also have accounting enabled.

Now it seems that pfbandwidth is the bottleneck in this setup.
We have 4 core CPU, 8GB RAM and SSD disk. I/O latency and RAM usage is
no issue. But pfbandwidth takes 100% of one core when we put some load
on the box (10 clients, total of approx. 10MB/s).

I understand that pfbandwidth has to be single threaded because of the
way how it gets the traffic data from the kernel.
But I wonder if there is some way to tune it to get a better performance
under high load?

Best regards,

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