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
Writing.
Notes on software engineering, distributed systems, and lessons from building things — with the occasional life update in between.
11 posts8 tags
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.
February 18, 2025testing
Load Testing with K6→
How I used k6 to measure and validate response-time improvements after optimizing our product search engine.
December 28, 2024system design
The CAP Theorem→
A practical explanation of CAP theorem, trade-offs between consistency and availability, and a simple proof intuition.
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.