Join Newsletter 🍒

---

System Design Case Study

#	A	B	C	D			G	H
		K	L		N		P	Q
	S	T	U	V	W		Y	Z

System Design Fundamentals

#	A	B	C				G	H
				M				Q
	S

Software White Papers

				D

---

System Design

System Design Case Study

# companies

• Real-Time Gaming Leaderboard
• Real-Time Live Comments
• Distributed Counter
• Real Time Presence Platform

A companies

• How to Scale an App to 10 Million Users on AWS
• This Is How Airbnb Adopted HTTP Streaming to Save 84 Million USD in Costs
• Amazon Prime Video Microservices Top Failure
• How Amazon S3 Achieves 99.999999999% Durability

B companies

• Bitly URL Shortener Architecture

C companies

• How Canva Supports Real-Time Collaboration for 135 Million Monthly Users
• How Cloudflare Was Able to Support 55 Million Requests per Second With Only 15 Postgres Clusters

D companies

• How Disney+ Hotstar Delivered 5 Billion Emojis in Real Time
• How Disney+ Hotstar Scaled to 25 Million Concurrent Users
• How Discord Boosts Performance With Code-Splitting

G companies

• How Giphy Delivers 10 Billion GIFs a Day to 1 Billion Users

H companies

• How Hashnode Generates Feed at Scale

K companies

• How Khan Academy Scaled to 30 Million Users

L companies

• How LinkedIn Scaled to 930 Million Users
• How LinkedIn Adopted Protocol Buffers to Reduce Latency by 60%
• Tech Stack Evolution at Levels fyi

N companies

• How Does Netflix Work?
• Microservices Lessons From Netflix

P companies

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

Q companies

• This Is How Quora Shards MySQL to Handle 13+ Terabytes

S companies

• Slack Architecture
• Virtual Waiting Room Architecture That Handles High-Demand Ticket Sales at SeatGeek
• How Shopify Handles Flash Sales at 32 Million Requests per Minute
• This Is How Stripe Does Rate Limiting to Build Scalable APIs

T companies

• Tumblr Shares Database Migration Strategy With 60+ Billion Rows
• 6 Proven Guidelines on Open Sourcing From Tumblr
• How Tinder Scaled to 1.6 Billion Swipes per Day

U companies

• How Uber Computes ETA at Half a Million Requests per Second
• How Uber Finds Nearby Drivers at 1 Million Requests per Second

W companies

• 8 Reasons Why WhatsApp Was Able to Support 50 Billion Messages a Day With Only 32 Engineers
• Wechat Architecture That Powers 1.67 Billion Monthly Users

Y companies

• 11 Reasons Why YouTube Was Able to Support 100 Million Video Views a Day With Only 9 Engineers

Z companies

• 5 Reasons Why Zoom Was Able to Support 300 Million Video Calls a Day
• How Zapier Automates Billions of Tasks

---

System Design Fundamentals

# technologies

• Back of the Envelope
• How to Troubleshoot if You Can’t Access a Particular Website?
• What Happens When You Type a URL Into Your Browser?
• System Design Interview Cheat Sheet
• Software Engineer Interview Learning Resources
• 7 Simple Ways to Fail System Design Interview

A technologies

• Actor Model

B technologies

• Bloom Filter

C technologies

• Cell Based Architecture
• Consistency Patterns
• Top 5 Caching Patterns
• How Discord Boosts Performance With Code-Splitting
• Consistent Hashing

G technologies

• Gossip Protocol

H technologies

• Hinted Handoff

M technologies

• Micro Frontends
• Microservices Lessons From Netflix

Q technologies

• Quotient Filter

S technologies

• Service Discovery

---

Software White Papers

D white papers

• Amazon Dynamo

---

License

Licensed under CC BY-NC-ND 4.0