SMRTR ProgrammingJan 8, 2026Hacker Noon

“Everything’s Async” Until Your RAM Explodes: The JavaScript Backpressure Problem

SMRTR summary

JavaScript's async/await and Promises create an illusion of flow control, but developers often ignore backpressure—the mechanism that prevents producers from overwhelming consumers. Without proper backpressure handling in streams, fetch operations, and async loops, applications suffer memory spikes, crashes, and latency issues under load.

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