The Node.js Event Loop Explained
Across the Internet, every modern web application handles hundreds or thousands of requests at the same time. But behind the scenes, Node.js runs on a single thread. How does it manage heavy workloads
blog.suprabhat.site6 min read
Shubhra Pokhariya
Building practical tools and tutorials for developers who ship.
I like how you connected this to real request flow. When I started building backend systems, I assumed async = automatic scalability too. Then I shipped a feature with heavy JSON parsing and watched the whole server freeze under load.
Now I always offload CPU-heavy work to worker threads. The Event Loop is fast, but only if you keep it free.