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Database Sharding Explained With Real Examples: How Apps Scale Beyond a Single Database

Database Sharding Explained With Real Examples: How Apps Scale Beyond a Single Database

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4 min read
Bypassing Mail Server Bottlenecks: Building an Asynchronous, Lock-Free SMTP Engine

Bypassing Mail Server Bottlenecks: Building an Asynchronous, Lock-Free SMTP Engine

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3 min read
Reverse Cross-Border E-Commerce Microservice Decomposition and High-Concurrency Order Processing Based on Spring Cloud Alibaba

Reverse Cross-Border E-Commerce Microservice Decomposition and High-Concurrency Order Processing Based on Spring Cloud Alibaba

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2 min read
[System Design] Surge Pricing Algorithm: How Ride-Hailing Engines Calculate Surge Rate in Real Time

[System Design] Surge Pricing Algorithm: How Ride-Hailing Engines Calculate Surge Rate in Real Time

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7 min read
Should you build it?

Should you build it?

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3 min read
I Stopped Tweaking Prompts. Here's How I Cut LLM Hallucinations to 6%.

I Stopped Tweaking Prompts. Here's How I Cut LLM Hallucinations to 6%.

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3 min read
There Is No "Now" in Distributed Systems

There Is No "Now" in Distributed Systems

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5 min read
The Rate‑Limiter Jedi: Mastering CAP Like a Lightsaber Duel

The Rate‑Limiter Jedi: Mastering CAP Like a Lightsaber Duel

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5 min read
Rate Limiting — What Happens When Too Many Requests Hit Your Server

Rate Limiting — What Happens When Too Many Requests Hit Your Server

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3 min read
Architecture from Day One: The Practical Guide to Scalable Backend Systems

Architecture from Day One: The Practical Guide to Scalable Backend Systems

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5 min read
Stop Thinking of LLMs as AI Models. Start Thinking of Them as Distributed Systems.

Stop Thinking of LLMs as AI Models. Start Thinking of Them as Distributed Systems.

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4 min read
Indexing: The Force Awakens in My Rate Limiter Quest

Indexing: The Force Awakens in My Rate Limiter Quest

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4 min read
Cloudflare Tunnel on Multiple VPSes: HA, Scaling, and Pitfalls

Cloudflare Tunnel on Multiple VPSes: HA, Scaling, and Pitfalls

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4 min read
HLD Fundamentals #3: Monolithic vs Microservices Architecture

HLD Fundamentals #3: Monolithic vs Microservices Architecture

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4 min read
UUID vs ULID vs NanoID: Which Identifier Should You Use in 2026?

UUID vs ULID vs NanoID: Which Identifier Should You Use in 2026?

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4 min read
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