Backend
5 posts

The C10M Problem in 2026: Why Your 128-Core Server Still Can't Handle 10 Million Packets Per Second
When packet rates surpass 2 million per second, the Linux network stack simply gives up. It’s like your doorbell won’t stop ringing, but you never have time to open the door. Let’s talk about bypassing the kernel.
Rust + Axum Async Microservice Guide: Job Queue, Retries, and Graceful Shutdown
Build a production-ready async microservice with Rust and Axum: job queue, background workers, exponential backoff retries, and graceful shutdown. Includes full project structure and Docker example.

Rust Axum Graceful Shutdown, The Ultimate Guide: Fix the pitfall 99% of engineers hit
Master graceful shutdown for Rust Axum services: listen for SIGINT/SIGTERM, refuse new connections with with_graceful_shutdown, stop background tasks via CancellationToken, set timeouts, and integrate with Docker/Kubernetes termination — protect data integrity and user experience.

Rust + Axum, from zero to hero: build a high‑performance Web server the LEGO way
A step‑by‑step Axum guide to build a modern high‑performance Web service: routing, path and query parameters, JSON, shared state, and middleware (tracing, CORS) with complete code samples and best practices.

Stop treating tokio::spawn as a thread! I launched 1000 tasks in 2 seconds and the system stayed calm
tokio::spawn is not a thread but a lightweight task. Under Tokio’s scheduler you build highly concurrent services with sleep, timeout and select — 1000 tasks in 2 seconds with negligible overhead.