Bun Runtime Powers 5x Throughput Boost in Production Services

Switching from Node.js to Bun delivered a 5x throughput improvement for a connection broker managing thousands of concurrent requests. The systematic profiling approach reveals how runtime selection and algorithmic efficiency directly impact production performance, offering a replicable methodology for optimizing latency-sensitive services. As Bun matures and addresses discovered issues, it's becoming an increasingly viable alternative to Node.js for high-performance production workloads.