What are the specs of your computer?
Years ago when I was running BI4 on a I7 I was maxing it out with 6 3mp hiks.
It's and HP EliteDesk 800 G1 SFF running Windows 10 Pro. CPU is Intel i5-4590 @ 3.3GHz. 32GB RAM.
All my cameras are 2MP at 15 FPS recording Direct to Disk. Live view limited to 8FPS. I was at crazy high CPU usage when I was running BI4 on the same machine under Windows server 2012. Switched to W10 and BI5 and I was able to get CPU down by enabling Intel hardware accelerated decode. It didn't work on win server OS.
It floats around 43% now. Spikes when reviewing video or opening UI3 but not enough to crash or anything.
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