importantSYS.SOURCE: pmbanugo.me• 2026-07-16T02:06:36Z

Analyzing the Tokio/Rayon Trap and Async/Await's Concurrency Limitations

#concurrency #asyncawait #oom

The article critiques async/await for conflating asynchrony with concurrency, leading to latency spikes and OOM crashes when CPU-bound tasks stall cooperative executors. It highlights the challenges of manual runtime partitioning between I/O and compute workloads in systems like Tokio and Rayon.

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