Hi, I had same BI setup for over a year and it was running 25-30% CPU. But the past few days it jumped to 65-72%.
It is 3500 kB/s / 311 MP/s
16GB ram / i5-8500
HA for all as it is the I in the column under HA
running just 4 cameras at really max I guess but I always had this setup on this...