🏋️ System Design Practice Scratchpad: Design a News Feed System (Twitter/FB)
Instructions: Use this scratchpad to practice interviewing or whiteboarding this system design problem before referencing the main blueprint!
📋 My Interview Response Checklist
- Step 1: Clarify Requirements & Constraints
- Step 2: Calculate Back-of-the-Envelope Estimates (QPS, Storage, RAM)
- Step 3: Define REST / gRPC API Endpoints
- Step 4: Design Database Schema (SQL vs NoSQL selection)
- Step 5: Draw High-Level Architecture Diagram
- Step 6: Deep Dive into Core Bottlenecks (Fanout-on-Write vs Fanout-on-Read, Cache Architecture)
- Step 7: Address SPOFs, Replication, Caching & Scaling
📝 Scratchpad / Whiteboard Notes
// Write your thoughts, capacity estimations, or ASCII diagrams here...