Well he is on a pretty strong dedicated server. And we do not oversell, at all. The server has plenty of logical cores as well as the virtual cores run other clients properly. 4vCores at 2.66ghz is MORE than enough to run it. This is the CPU usage on the node he is on
https://gyazo.com/dced8399f6112f0d7bcec26422a4a38a
This is a new issue, was running fine the other day, although nobody else has reported the same issue; however, I was able to reproduce the same error on a VPS that was on a less populated node.
There is MORE than enough CPU on my nodes to go around, as well as RAM.