importantSYS.SOURCE: pmbanugo.me• 2026-07-16T02:06:36Z
Analyzing the Tokio/Rayon Trap and Async/Await's Concurrency Limitations
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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