The Thundering Herd Problem in Distributed Systems→
Three ways a thundering herd shows up in production — retry storms, cache stampedes, and planned traffic spikes — and how the industry actually deals with each ...
hovanhoa · blog
hovanhoa
Software Engineer
Hey 👋 I'm Hòa — a software engineer with 4+ years focused on backend systems, microservices, and AI agents. I care about strong fundamentals, pragmatic best practices, and shipping things that stay calm under load.
I'd write everything in Golang if I could.
based in vietnam · open to interesting problems
writing
11
blog posts
coding-36.9%
89.4h
3.9h avg / active day
backend
go·py
services at scale
heartbeat
8/8
services live
blog
latest writing
notes on software engineering, distributed systems, and lessons from building things — with the occasional life update in between.
Building an AI agent in Go→
What an AI agent actually is once you strip away the hype — a model, a set of tools, and a loop. I build a small tool-calling agent in Go from scratch.
January 14, 2025· golang
Live Reloading in Go→
A quick guide to setting up Air for live reload in Go projects to avoid manual restarts during development.
Snowflake ID generator in distributed systems→
A comparison of distributed ID generation strategies and why Twitter Snowflake was the best fit for my URL shortener.
Building a URL Shortener Service using Golang→
How to design and implement a TinyURL-like service with Go, Gin, GORM, Redis, and PostgreSQL.
Concurrency in Golang→
A practical introduction to Go concurrency concepts, including goroutines, channels, select, and wait groups.