The article provides a structured approach to tackling system design interview questions by categorizing them into three tiers based on complexity and relevance. Here's a summary:
Tier 1: Basic Concepts (Examples)
- Design Dropbox: Focuses on client-server interaction, chunking, deduplication, delta sync, conflict resolution.
- Design Yelp or Nearby Friends: Introduces geospatial indexing concepts like Geohashes, quadtrees, and S2 cells.
Tier 2: Modern Systems (Examples)
- Design Google Docs: Involves operational transforms or CRDTs for real-time collaboration.
- Design a Collaborative Whiteboard Like Miro: Extends the complexity of Google Docs with a 2D plane data model and tighter latency requirements.
Tier 3: Advanced Concepts (Examples)
- Design ChatGPT: Covers GPU scheduling, KV cache reuse, streaming token responses, conversational state management.
- Design a Notification System: Focuses on managing user preferences across multiple channels like push notifications, email, SMS, in-app notifications.
Each tier builds upon the previous one, introducing more complex and modern challenges. Tier 1 questions are foundational, while Tier 3 delves into cutting-edge
Read the full article at DEV Community
Want to create content about this topic? Use Nemati AI tools to generate articles, social posts, and more.

![[AINews] The Unreasonable Effectiveness of Closing the Loop](/_next/image?url=https%3A%2F%2Fmedia.nemati.ai%2Fmedia%2Fblog%2Fimages%2Farticles%2F600e22851bc7453b.webp&w=3840&q=75)



