A collection of system design diagrams created with Excalidraw for learning purposes.

• Consistent Hashing
• Sharding

• Design A URL Shortener (TinyURL or Bitly)
• Design A Rate Limiter
• Design A File Storage Service (Dropbox or Google Drive)
• Design Video Streaming Platform (YouTube or Netflix)
• Design A News Feed System (Twitter or Facebook)
• Design Chat System (WhatsApp or Messenger)
• Design Ride Sharing System (Uber or Lyft)
• Design Payment System
• Design Search Autocomplete (Google Suggest)
• Design a Distributed Cache System
• Design A Distributed Message Queue
• Design a Key-Value Store
• Design Google Maps
• Design Notification System
• Design LLM inference service
• Design CICD / Github Action

• Real-time Updates
• Dealing with Contention
• Multi-step Processes
• Scaling Reads
• Scaling Writes
• Handling Large Blobs
• Managing Long Running Tasks

• Redis
• Elasticsearch
• Kafka
• API Gateway
• Cassandra
• DynamoDB
• PostgreSQL
• Flink
• ZooKeeper

• .excalidraw files - Source design files
• images/ - Exported PNG images from Excalidraw diagrams