Trying to check cpu / mem usage from node. It is displaying 30GB+ memory

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I tried to write some code that would let me see my CPU / Memory usage on render. However, I am getting weird results. 30GB+ memory?

Live URL: UncivServer.xyz Info Page

My Code: Elysia info page with CPU and Memory usage for linux · GitHub

How can I see the correct CPU / Memory usage of my app from node?