The performance benchmark compares Node.js with Go by deploying web applications to a Kubernetes cluster on AWS using EC2 instances. The tests measure CPU and memory usage, latency, CPU throttling, network pressure, and application availability. Go significantly outperforms Node.js, handling around 70,000 requests compared to Node.js's 9,000 requests before performance degrades. Additional tests include inserting data into a Postgres database, revealing similar latency but higher resource usage for Node.js.
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