resumejob / system-design-in-practice

Get ready for System Design Interviews using practical examples.

System Design In Practice

Get ready for System Design Interviews using practical examples from Twitter, Instagram, TikTok, etc.

Table of contents

• News Feed
• GEO Base
• IM
• Live
• Video
• File Sync
• Search
• Ranking
• Trading
• Cooperative editing
• Booking
• Shopping
• CPU-bound
• Infrastructure

Table

Category	Resources	Tutorial
News Feed Twitter Instagram TikTok Pinterest	Real-Time Delivery Architecture at Twitter How We Learned to Stop Worrying and Love Fan-In at Twitter Sharding & IDs at Instagram Video Upload Latency Improvements at Instagram Improving Distributed Caching Performance and Efficiency at Pinterest	Video: How to build a social media photo sharing app on Google Cloud
GEO Base Uber Uber Eats Grab Lyft	Uber’s Fulfillment Platform: Ground-up Re-architecture to Accelerate Uber’s Go/Get Strategy Building Uber’s Fulfillment Platform for Planet-Scale using Google Cloud Spanner Deduping and Storing Images at Uber Eats Uber’s Next Gen Push Platform on gRPC S2 Geometry	Video: How does Uber scale to millions of concurrent requests?
IM WhatsApp Facebook Messenger WeChat LINE	Understanding WhatsApp's Architecture & System Design Understanding the Architecture & System Design of a Chat Application How WhatsApp enables multi-device capability How to build large-scale end-to-end encrypted group video calls * WhatsApp Encryption Overview
Live Facebook Live Twitch Zoom Google Meets	Scaling Facebook Live Videos to a Billion Users Ingesting Live Video Streams at Global Scale
Video YouTube Netflix Disney Plus HBO Max	Scaling Time Series Data Storage — Part I Netflix Video Quality at Scale with Cosmos Microservices Rethinking Netflix’s Edge Load Balancing Timestone: Netflix’s High-Throughput, Low-Latency Priority Queueing System with Built-in Support for Non-Parallelizable Workloads Building Netflix’s Distributed Tracing Infrastructure
File Sync Google Drive Dropbox Sync.Com iDrive	Rewriting the heart of our sync engine Boosting Dropbox upload speed and improving Windows’ TCP stack - Dropbox
Search Google Search Bing Airbnb Search Twitter Search	How Google Search Works (in 5 minutes) In-depth guide to how Google Search works How Google organizes information to find what you’re looking for Manas Realtime — Enabling changes to be searchable in a blink of an eye Under the Hood: Indexing and ranking in Graph Search Under the Hood: Building out the infrastructure for Graph Search Omnisearch index formats
Ranking Twitter Top Hashtags Spotify Top K Music	Trending on Instagram Fast and Reliable Ranking in Datastore How We Built Infrastructure to Run User Forecasts at Spotify Changing the Wheels on a Moving Bus — Spotify’s Event Delivery Migration Spotify’s Event Delivery – The Road to the Cloud (Part II)
Trading Robinhood Webull TradeStation		Video: How to build a modern banking app with Google Cloud Building a Real-Time Trading Platform with Redis
Cooperative editing Google Docs Microsoft Office Online Quip	What’s different about the new Google Docs: Making collaboration fast What’s different about the new Google Docs: Conflict resolution
Booking Google Calendar Ticketmaster StubHub
Shopping Amazon eBay Etsy AliExpress	Video: How to build digital e-commerce platform on Google Cloud Avoiding Double Payments in a Distributed Payments System Rebuilding Payment Orchestration at Airbnb Scaling Airbnb’s Payment Platform Cross shard transactions at 10 million requests per second	Video: How to build digital e-commerce platform on Google Cloud
CPU-bound LeetCode Video Editor		Video: How to build a three-tier serverless Cloud Run app
Infrastructure Key Value Store Web Crawl Object Storage Logging Monitoring	Building an Effective Test Pipeline in a Service Oriented World Dynein: Building an Open-source Distributed Delayed Job Queueing System Lessons learned in incident management How we designed Dropbox ATF: an async task framework Dropbox traffic infrastructure: Edge network #ExpandTheEdge: Making Twitter Faster Building DistributedLog: High-performance replicated log service Infrastructure Behind Twitter: Scale	Video: How to build a reliable, continuous delivery pipeline for GKE