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How Amazon S3 Achieves Strong Consistency Without Sacrificing 99.99% Availability 🌟
#79: Break Into Amazon S3 Architecture (4 Minutes)
Jul 29
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Neo Kim
38
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How Amazon S3 Achieves Strong Consistency Without Sacrificing 99.99% Availability 🌟
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How to Scale Code Reviews 🔥
#78: How Great Software Engineers Do Code Reviews (4 Minutes)
Jul 25
•
Neo Kim
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How to Scale Code Reviews 🔥
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Forward Proxy vs Reverse Proxy ✨
#77: Break Into Proxy Servers (4 Minutes)
Jul 11
•
Neo Kim
83
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Forward Proxy vs Reverse Proxy ✨
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How Reddit Works 🔥
#76: Break Into Reddit Architecture for 100M Daily Users (5 Minutes)
Jul 3
•
Neo Kim
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How Reddit Works 🔥
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June 2025
Concurrency Is Not Parallelism 🔥
#75: Break Into Concurrency vs Parallelism (3 Minutes)
Jun 18
•
Neo Kim
117
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Concurrency Is Not Parallelism 🔥
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Everything You Need to Know About Cache Strategies ⭐
#74: A Simple Introduction to Cache Strategies (3 Minutes)
Jun 13
•
Neo Kim
93
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Everything You Need to Know About Cache Strategies ⭐
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May 2025
How API Gateway Actually Work ⭐
#73: Break Into API Gateway (3 Minutes)
May 29
•
Neo Kim
151
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How API Gateway Actually Work ⭐
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System Design Playbook 🔥
Download My Playbook for Free
May 23
•
Neo Kim
241
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System Design Playbook 🔥
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How Load Balancing Algorithms Really Work ⭐
#72: Break Into Load Balancing Algorithms (3 Minutes)
May 19
•
Neo Kim
124
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How Load Balancing Algorithms Really Work ⭐
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How JWT Works ✨
#71: Break Into JSON Web Token (3 Minutes)
May 10
•
Neo Kim
209
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How JWT Works ✨
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How DNS Works 🔥
#70: Distributed Hierarchical Database for 5.35B Users (2 Minutes)
May 2
•
Neo Kim
158
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How DNS Works 🔥
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April 2025
How Figma Scaled to 4M Users—Without Fancy Databases 🔥
#69: Break Into Postgres Scalability (4 Minutes)
Apr 16
•
Neo Kim
117
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How Figma Scaled to 4M Users—Without Fancy Databases 🔥
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March 2025
How Apple Pay Handles 41 Million Transactions a Day Securely 💸
#68: Break Into Apple Pay Architecture (5 Minutes)
Mar 27
•
Neo Kim
107
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How Apple Pay Handles 41 Million Transactions a Day Securely 💸
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February 2025
How Do Websockets Work ✨
#67: A Simple Introduction to Websockets (3 Minutes)
Feb 28
•
Neo Kim
184
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How Do Websockets Work ✨
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Your YouTube Channel to Learn System Design 🔥
System Design YouTube Channel
Feb 7
•
Neo Kim
98
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Your YouTube Channel to Learn System Design 🔥
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18
1 Simple Technique to Scale Microservices Architecture 🚀
#66: How Great Software Engineers Build Microservices (2 Minutes)
Feb 4
•
Neo Kim
141
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1 Simple Technique to Scale Microservices Architecture 🚀
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January 2025
How Bluesky Works 🦋
#65: Break Into Bluesky Architecture (17 Minutes)
Jan 22
•
Neo Kim
129
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How Bluesky Works 🦋
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13
Get Better With System Design in 2025 🔥
Take Survey and Get Rewards (4 Minutes)
Jan 13
•
Neo Kim
58
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Get Better With System Design in 2025 🔥
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How Do AirTags Work
#64: A Simple Introduction to AirTags Architecture (3 Minutes)
Jan 8
•
Neo Kim
148
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How Do AirTags Work
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December 2024
How Shopify Handled 30TB per Minute With a Modular Monolith Architecture 🔥
#63: Break Into Modular Monolith Architecture (3 Minutes)
Dec 22, 2024
•
Neo Kim
229
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How Shopify Handled 30TB per Minute With a Modular Monolith Architecture 🔥
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How Nginx Was Able to Support 1 Million Concurrent Connections on a Single Server ✨
#62: Break Into Nginx Architecture (4 Minutes)
Dec 4, 2024
•
Neo Kim
204
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How Nginx Was Able to Support 1 Million Concurrent Connections on a Single Server ✨
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November 2024
How Databases Keep Passwords Securely 🔒
#61: Break Into Security Fundamentals (3 Minutes)
Nov 18, 2024
•
Neo Kim
290
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How Databases Keep Passwords Securely 🔒
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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, 2024
•
Neo Kim
173
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How Google Ads Was Able to Support 4.77 Billion Users With a SQL Database 🔥
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13
October 2024
How Amazon S3 Works ✨
#59: Break Into Amazon Engineering (4 Minutes)
Oct 25, 2024
•
Neo Kim
186
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How Amazon S3 Works ✨
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