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System DesignHigh-level system design, one everyday scene at a time: 30 concepts and 15 interview rounds.712 lessons

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● OVERVIEW · BEGINNER

System Design

High-level system design, one everyday scene at a time: 30 concepts and 15 interview rounds. 45 modules, 712 lessons.

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CURRICULUM STRUCTURE

01How to Approach a Design Question21 LESSONS 02Back-of-Envelope Estimation19 LESSONS 03Client and Server18 LESSONS 04DNS15 LESSONS 05Latency vs Throughput17 LESSONS 06Vertical vs Horizontal Scaling16 LESSONS 07Load Balancers, Reverse Proxies and API Gateways17 LESSONS 08SQL vs NoSQL14 LESSONS 09Indexes15 LESSONS 10Unique ID Generation16 LESSONS 11Object / Blob Storage16 LESSONS 12Caching: The Basics16 LESSONS 13Caching at Scale15 LESSONS 14Replication17 LESSONS 15Sharding15 LESSONS 16Consistency and CAP17 LESSONS 17Transactions and Locking19 LESSONS 18Geospatial Indexing12 LESSONS 19Search and Inverted Indexes15 LESSONS 20Probabilistic Data Structures15 LESSONS 21Polling vs WebSockets vs Push12 LESSONS 22Message Queues18 LESSONS 23Pub/Sub and Fan-Out14 LESSONS 24APIs and Idempotency17 LESSONS 25Rate Limiting14 LESSONS 26CDNs16 LESSONS 27Monolith vs Microservices17 LESSONS 28Consistent Hashing15 LESSONS 29Failures, Retries, Circuit Breakers18 LESSONS 30Observability15 LESSONS 31Design a URL Shortener15 LESSONS 32Design a Rate Limiter as a Service15 LESSONS 33Design a Notification System15 LESSONS 34Design Search Autocomplete (Typeahead)15 LESSONS 35Design a Leaderboard (Top-K)15 LESSONS 36Design a Web Crawler15 LESSONS 37Design a News Feed15 LESSONS 38Design a Chat App (WhatsApp)17 LESSONS 39Design File Storage and Sync (Google Drive / Dropbox)16 LESSONS 40Design Video Upload and Streaming (YouTube)16 LESSONS 41Design Live Streaming at Scale (Live Cricket)15 LESSONS 42Design E-commerce Cart and Checkout (Amazon / Flipkart)16 LESSONS 43Design Flash-Sale Ticket Booking (Ticketmaster / IRCTC Tatkal)15 LESSONS 44Design Ride-Hailing with Surge Pricing (Uber / Rapido)15 LESSONS 45Design a Payment System (Stripe / UPI)16 LESSONS