Fan-out — 3 Technical Articles

Feb 27, 2026 · Backend Development

Master Go Concurrency: Prevent Goroutine Leaks and Build Fan‑In/Fan‑Out Pipelines

This article extracts key concepts from "Concurrency in Go", explains the CSP model, shows how to avoid Goroutine memory leaks with the done‑channel pattern, and provides practical implementations of fan‑in, fan‑out, and pipeline patterns for robust Go applications.

CSPConcurrencyFan-in

0 likes · 6 min read

Master Go Concurrency: Prevent Goroutine Leaks and Build Fan‑In/Fan‑Out Pipelines

Code Wrench

Oct 24, 2025 · Backend Development

Transforming a Simple Factorial into a Concurrent Go Engine

This article explores how a basic factorial calculation can be turned into a sophisticated concurrent system in Go, covering deadlock pitfalls, fan‑out/fan‑in pipelines, Redux‑style state management, and a controllable streaming factorial engine with pause and resume capabilities.

ConcurrencyFan-outGo

0 likes · 9 min read

Transforming a Simple Factorial into a Concurrent Go Engine

21CTO

May 30, 2022 · Backend Development

How Twitter Scaled Timelines: Fan‑Out, Redis, and Architecture Secrets

This article analyzes Twitter's early architectural choices for handling massive user growth, detailing how fan‑out, precomputed home timelines stored in Redis, and selective write strategies enabled the platform to serve hundreds of thousands of timeline requests per second while keeping latency low.

Fan-outRedisTwitter

0 likes · 8 min read