https://vubon.dev/categories/golang/Recent content in Golang on Vubon NotesHugoen-usThu, 01 Jan 2026 00:00:00 +0000https://vubon.dev/posts/fan-out-fan-in-in-golang/Thu, 01 Jan 2026 00:00:00 +0000https://vubon.dev/posts/fan-out-fan-in-in-golang/<p>These days, low latency isn’t “nice to have” — it’s table stakes. So let’s talk about the Fan-Out/Fan-In pattern and why it’s my go-to for faster APIs and background work. After 6+ years building FinTech systems, I’ll share a real example that makes the concept easy to digest and hard to forget. You’ll be able to plug it into your services right away.</p> <p>But before the demo, let’s hit the basics.</p>