Rust concurrency

Top 5 Tokio Runtime Mistakes That Quietly Kill Your Async Rust

Cary Huang
March 21, 2026March 21, 2026
Rust Programming

Introduction: Why Tokio Runtime Mistakes Hurt So Much Tokio makes async Rust feel deceptively simple: add async, spawn a task, and everything seems fine in local tests. But in my experience, the real pain only shows up under production load,… Read More »Top 5 Tokio Runtime Mistakes That Quietly Kill Your Async Rust

How to Choose Between Arc, Mutex, and RwLock in Rust Concurrency

Cary Huang
March 20, 2026March 20, 2026
Rust Programming

Introduction: Why Arc, Mutex, and RwLock Matter in Rust When I first started writing concurrent code in Rust, I quickly ran into a core tension: I wanted multiple threads for speed, but the borrow checker refused to let me share… Read More »How to Choose Between Arc, Mutex, and RwLock in Rust Concurrency