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 YouTube Was Able to Support 2.49 Billion Users With MySQL

May 31 • Neo Kim

How Uber Computes ETA at Half a Million Requests per Second

Dec 3, 2023 • Neo Kim

How Stripe Prevents Double Payment Using Idempotent API

May 9 • Neo Kim

How Nginx Was Able to Support 1 Million Concurrent Connections on a Single Server ✨

#62: Break Into Nginx Architecture (4 Minutes)

Dec 4 •

How Databases Keep Passwords Securely 🔒

#61: Break Into Security Fundamentals (3 Minutes)

Nov 18 •

How Google Ads Was Able to Support 4.77 Billion Users With a SQL Database 🔥

#60: Break Into Google Spanner Architecture (5 Minutes)

Nov 9 •

How Amazon S3 Works ✨

#59: Break Into Amazon Engineering (4 Minutes)

Oct 25 •

How Facebook Was Able to Support a Billion Users via Software Load Balancer ⚡

#58: Break into Meta Engineering (5 minutes)

Oct 11 •

How Google Search Works 🔥

#57: Break Into Google Search Engine Architecture (6 Minutes)

Sep 30 •

Amazon Frugal Architecture Explained 💰

#56: And How to Properly Scale Your Business (5 Minutes)

Sep 15 •

How Amazon Lambda Works 🔥

#55: Break Into Amazon Engineering (6 Minutes)

Sep 3 •

How to Scale an App to 100 Million Users on GCP 🚀

#54: A Simple Guide to Scalability (7 minutes)

Aug 20 •

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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