Why a Lock‑Free Ring Buffer Beats Mutex Queues in a 200 kRPS Rust Service
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In a telemetry ingest service we were hitting 200 k requests per second on a single 8‑core box. The naive design used a Mutex > shared between the async dispatcher and a pool of worker threads. Under load the mutex became a hotspot, inflating tail latency and causing occasional lock‑starvation spik…
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- 2026-10-13 02:54 · DEV Community — AI
Why a Lock‑Free Ring Buffer Beats Mutex Queues in a 200 kRPS Rust Service