“Everything’s Async” Until Your RAM Explodes: The JavaScript Backpressure Problem
We all know JavaScript’s asynchronous model. async/await, Promises, and streams give the illusion that code runs sequentially while magically handling heavy work in the background. But if you’ve ever processed a large file, streamed data from an API, or handled bursts of network requests, you’ve probably run into a familiar problem: memory usage spikes, CPU sits idle, or your server crashes under a sudden load. “Everything is async”, so what is going on? The answer lies in a […]