Adjust CPU usage cap/priority of jails?

[paradoxiom]

Adjusting Jail Thread Priority?

Hey guys, I'm a real noob to FreeBSD so be gentle. My issue is that I run NZBGet in a jail, and on another jail, I have Plex. When NZBGet is going hard and unpacking things, it can stall my Plex streams due to lack of CPU. How can I adjust the thread priority of NZBGet on launch, so that if...

www.truenas.com

^ Basically this problem. When qbitorrent is unzipping things, plex stops streaming for a bit, starts, stops, sometimes stops completely until I restart what I'm watching. I can see "priority - 99" in the jail settings, is that something to do with it?
Edit:

priority

integer

The numeric start priority for the jail at boot time. Smaller values mean a higher priority. At system shutdown, the priority is reversed. Example: 99

nope

thanks in advance.

 

[Patrick M. Hausen]

Priority defines the boot order. What you are looking for are resource limits.

You can limit a jail to e.g. 2 CPU cores with iocage set "pcpu=deny=200" <jailname>, which means any usage above 200% of one core (i.e. 2 cores) will be denied. Similar for memory: iocage set "memoryuse=deny=4G" <jailname>.

HTH,
Patrick