Server FPS problem

First i search info in the forum to fix it but i cant get +60 fps or more when have +25~40 players , with plugins or without plugins .

The CPU not exceed the 25% and the ram 50% (in the screenshot the ram is +80% but the server need more the provides it, i dont understand why the company use my ram when i dont use it but...)

Not all time have 8 fps but have have 10~140 and 40 usually.

VPS spec:
CPU 8 vCores 2.500Ghz (8 threads)
Ram 8GB
600 GB SSD/HDD

Server cfg:
fps.limit "256" (i try with 60 and is the same)
global.maxthreads "8"



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I would suggest adding more ram or change from a VPS to dedicated. Rust can only use 4 cores so having more than 5 with window doesn't give any boost in performance. You need more single core cpu power than having more cores. 2.5GHz cpu doesn't seem good