Diagram of Tokio's work-stealing deque across worker threads

Mastering Tokio's Internal Work-Stealing Scheduler: A Deep Dive into Async Runtime Fairness

Tokio’s scheduler uses a work-stealing deque model to distribute tasks across threads. This post breaks down the internal mechanics, fairness guarantees, and practical implications for high-concurrency Rust services.

November 7, 2026 · 7 min · 1292 words · martinuke0
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