Tokio

12 pages in this section.

How Tokio schedules tasks on top of the `Future` trait, why async tasks are cooperative rather than preemptive, and how Tokio's I/O driver fits the same reactor pattern used by libuv and similar event loops.

Explainer Rust Tokio Runtime

Tokio Basics

Learn Tokio basics with 9 examples. Understand #[tokio::main], spawning tasks, and using tokio::time::sleep for async delays.

Rust Tokio Basics

Tasks & JoinHandles

Learn to spawn, await, and manage Tokio tasks. Understand JoinHandle for results, abortion, and JoinSet for dynamic task groups.

Rust Tokio Tasks Joinhandle

Async I/O

Learn how Tokio wraps OS async I/O for sockets and files. Implement efficient network and file operations using AsyncRead/AsyncWrite traits.

Rust Tokio Io Networking

Channels in Tokio

Learn about Tokio's async channels: mpsc for work queues, oneshot for single replies, broadcast for fan-out, and watch for latest-value signaling.

Rust Tokio Channels Mpsc

select! & Concurrency

Learn how tokio::select! multiplexes async branches for event loops, shutdown handling, and racing I/O with timers in Tokio.

Rust Tokio Select Concurrency

Timers & Intervals

Schedule tasks with Tokio's timer wheel. Learn to use sleep, interval, and timeout for debouncing, polling, and deadlines.

Rust Tokio Timers Intervals

Shared State in Async

Rust Tokio Shared State Arc

Tracing & Instrumentation

Rust Tokio Tracing Observability

Graceful Shutdown

Rust Tokio Graceful Shutdown

Tokio Best Practices

Optimize Tokio runtimes for production with best practices for worker sizing, blocking pool hygiene, and graceful shutdown.

Rust Tokio Best Practices List

Tokio Highlights Summary

A single-page roundup of every highlight bullet from the 11 pages in the Tokio section, grouped by source page so you can scan all 66 takeaways without opening each article individually.

Highlights Summary Tokio

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