deleted all camera's and started again
20 fps
on all camera's except the dome camera which is running at 22 fps
cpu usage is now down to 50% even with the highest resolution of 1080p on the dome camera and 2688*1520 on all other camera's. not sure what i did wrong the first time tbh.
thanks for the response guys. i have been away working all week so am back now. will try some of these idea's tomorrow or early next week and keep you posted
hardware
i7 - 4770 3.4 Ghz
16GB Ram
Windows 10
Camera's
4 x Hikvision DS-2CD2342WD-I 4MP
5 X Hikvision DS-2CD2142FWD-I 4MP
1 X Hikvision DS-2DE5220IW-AE 2MP
Software
Blue Iris 4.5.8.5 x64
CPU Usage is sitting at 98% - 100% with unusable recordings and RAM sitting at 8GB plus.
any idea's...