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I Built an Interactive System Design Simulator — Learn by Breaking Things

I Built an Interactive System Design Simulator — Learn by Breaking Things

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1 min read
How Uber Computes Estimated Time of Arrival (ETA)

How Uber Computes Estimated Time of Arrival (ETA)

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3 min read
Why Your Database Isn't Slow. Your Cache Is Missing

Why Your Database Isn't Slow. Your Cache Is Missing

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4 min read
How I Built a Multi-Asset Investment Platform with Next.js, PostgreSQL, Docker and AI

How I Built a Multi-Asset Investment Platform with Next.js, PostgreSQL, Docker and AI

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3 min read
HTTP Looks Like One Arrow. It's Actually Seven Decisions.

HTTP Looks Like One Arrow. It's Actually Seven Decisions.

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7 min read
Why Your App Shows Stale Data Right After a Write: Understanding Read Replica Lag

Why Your App Shows Stale Data Right After a Write: Understanding Read Replica Lag

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4 min read
Designing a Flash-Sale Seat Reservation System in AWS (Part 3): Holds, Payments, and the Slow Path

Designing a Flash-Sale Seat Reservation System in AWS (Part 3): Holds, Payments, and the Slow Path

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14 min read
Designing a Flash-Sale Seat Reservation System in AWS (Part 2): Never Sell a Seat Twice

Designing a Flash-Sale Seat Reservation System in AWS (Part 2): Never Sell a Seat Twice

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11 min read
Our System Series: Cerberus. Permissions and Endpoint Access

Our System Series: Cerberus. Permissions and Endpoint Access

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4 min read
Educative’s Journey From Grokking System Design to Grokking Modern System Design

Educative’s Journey From Grokking System Design to Grokking Modern System Design

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4 min read
Your service handles 80,000 requests a second. Until it doesn't.

Your service handles 80,000 requests a second. Until it doesn't.

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4 min read
Building AICore: An Adaptive Computer Control Layer in Rust

Building AICore: An Adaptive Computer Control Layer in Rust

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4 min read
System Design Jargons Explained for Fresher Developers

System Design Jargons Explained for Fresher Developers

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2 min read
I made a Redis cache fast enough to hide a bug

I made a Redis cache fast enough to hide a bug

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3 min read
How do you recover webhooks when your backend is unavailable?

How do you recover webhooks when your backend is unavailable?

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1 min read
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