Jail CPU usage seems capped

[banggugyangu]

I am currently running MineOS jail on the most recent FreeNAS. Everything is fine most of the time, but I've been running into issues lately on the Minecraft server. I'm having tps issues (ticks per second). This is typically caused by the processor being overloaded. While this is happening (and its often), freenas is showing about 30% utilization on the processor. It's admittedly a couple of old xeons, but at 30% utilization and 48 GB of RAM, this shouldn't be happening. This makes me believe that the jail is capped on CPU usage somehow. Does anyone have any suggestions?

 

[Jurgen Segaert]

Check the version of java in your MineOS jail. The earlier versions of Java openjdk8 8u192 were broken until 8.192.26_5. Either switch to the latest repo and update, or manually downgrade java as per the post below.

https://www.ixsystems.com/community/threads/freenas-9-plugin-mineos.20122/post-504625

Note that the minecraft servers that were created with one of the problematic java versions may be permanently hosed.