System Design Newsletter | Neo Kim | Substack

8 Reasons Why WhatsApp Was Able to Support 50 Billion Messages a Day With Only 32 Engineers

#1: Learn More - Awesome WhatsApp Engineering (6 minutes)

Aug 27, 2023 •

Most Popular

How PayPal Was Able to Support a Billion Transactions per Day With Only 8 Virtual Machines

Dec 26, 2023 • Neo Kim

How Uber Computes ETA at Half a Million Requests per Second

Dec 3, 2023 • Neo Kim

How YouTube Was Able to Support 2.49 Billion Users With MySQL

May 31 • Neo Kim

How Uber Finds Nearby Drivers at 1 Million Requests per Second

Jan 4 • Neo Kim

How Meta Achieves 99.99999999% Cache Consistency 🎯

#52: Break Into Meta Engineering (4 minutes)

Jul 18 •

How Halo Scaled to 11.6 Million Users Using the Saga Design Pattern 🎮

#51: Break Into Saga Design Pattern (4 Minutes)

Jul 4 •

Why Is Redis a Distributed Swiss Army Knife 💭

#50: Break Into Redis Use Cases (5 Minutes)

Jun 20 •

How Instagram Scaled to 2.5 Billion Users

#49: Break Into Instagram Scalability Techniques (7 minutes)

Jun 11 •

How YouTube Was Able to Support 2.49 Billion Users With MySQL

#48: Break Into Vitess Architecture (4 minutes)

May 31 •

How Facebook Scaled Live Video to a Billion Users

#47: Break Into Live Streaming Architecture (6 minutes)

May 24 •

How Razorpay Scaled to Handle Flash Sales at 1500 Requests per Second

#46: A Case Study on Payment Gateway Scalability (5 minutes)

May 17 •

How Stripe Prevents Double Payment Using Idempotent API

#45: A Simple Introduction to Idempotent API (4 minutes)

May 9 •

How McDonald’s Food Delivery Platform Handles 20,000 Orders per Second

#44: Break Into McDonald’s Architecture (7 minutes)

May 3 •

System Design Newsletter

System Design Newsletter

A weekly newsletter to help you pass system design interview and become good at work

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