Tuanhdotnet

@tuananh8

Joined August 2024

About

I am Tuanh.net. As of 2024, I have accumulated 8 years of experience in backend programming. I am delighted to connect and share my knowledge with everyone.

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Backend developer

Tuanhdotnet's blogs

tuanh.nettuanhnet.hashnode.dev503 posts

Recently published

tuanhnet.hashnode.dev

Event Sourcing Fits: When Should You Use It (and When You Shouldn’t)?

Source: Event Sourcing Fits: When Should You Use It (and When You Shouldn’t)? 1. The quiet problem Event Sourcing actually solves Most systems don’t fail because they “can’t store data.” They fail because they can’t explain data. Someone chang...

21h ago13 min read

tuanhnet.hashnode.dev

Design an Elasticsearch-Style Search Engine: How Does It Actually Work?

Source: Design an Elasticsearch-Style Search Engine: How Does It Actually Work? 1. Why “search” is not just a fancy SELECT … LIKE '%keyword%' Most teams first meet “search” the same way they meet gym memberships: with optimism, a free trial, a...

1d ago15 min read

tuanhnet.hashnode.dev

How to Build a 3-Tier Caching Stack with CDN + Redis + Local Cache (Without Lying to Users)

Source: How to Build a 3-Tier Caching Stack with CDN + Redis + Local Cache (Without Lying to Users) 1. The indirect problem you’re actually solving Most teams don’t wake up and say, “Let’s add Redis and a CDN today.” What usually happens is su...

2d ago11 min read

tuanhnet.hashnode.dev

Ways to Design a Real-Time Chat System That Can Hold 1,000,000 Concurrent Connections

Source: Ways to Design a Real-Time Chat System That Can Hold 1,000,000 Concurrent Connections 1. The mindset shift: you’re not scaling requests, you’re scaling relationships If you’ve built high-throughput REST APIs, your instincts are probabl...

4d ago14 min read

tuanhnet.hashnode.dev

Token Bucket or Leaky Bucket Rate Limiter Is the Difference Between “Scales” and “Falls Over”

Source: Token Bucket or Leaky Bucket Rate Limiter Is the Difference Between “Scales” and “Falls Over” 1. The real reason rate limiting exists (and why it’s not just “anti-DDoS”) Rate limiting is one of those “boring” building blocks that quiet...

5d ago15 min read

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Tuanhdotnet

About

Available for

Tuanhdotnet's blogs

Recently published

Event Sourcing Fits: When Should You Use It (and When You Shouldn’t)?

Design an Elasticsearch-Style Search Engine: How Does It Actually Work?

How to Build a 3-Tier Caching Stack with CDN + Redis + Local Cache (Without Lying to Users)

Ways to Design a Real-Time Chat System That Can Hold 1,000,000 Concurrent Connections

Token Bucket or Leaky Bucket Rate Limiter Is the Difference Between “Scales” and “Falls Over”