FAANG / Big Tech interview question · Most asked
Design a news feed / timeline.
Summary
Discuss fan-out on write vs read, ranking, caching hot users, denormalized feed stores, and pagination.
Longer Answer
Discuss fan-out on write vs read, ranking, caching hot users, denormalized feed stores, and pagination. Cover celebrity problem and eventual consistency.
Key Points
- Discuss fan-out on write vs read, ranking, caching hot users, denormalized feed stores, and pagination
- Cover celebrity problem and eventual consistency
- Core social feed design trade-offs
- Use the answer to connect the concept back to a realistic production or interview scenario for 'Design a news feed / timeline.'
Comparison / Tradeoffs
| Aspect | Notes |
|---|---|
| Core idea | Discuss fan-out on write vs read, ranking, caching hot users, denormalized feed stores, and pagination. |
| Practical tradeoff | Discuss fan-out on write vs read, ranking, caching hot users, denormalized feed stores, and pagination. |
Explanation
Summary
Core social feed design trade-offs.
Longer Answer
Core social feed design trade-offs. Focus on the practical implications across System Design, Feed.
Key Points
- Core social feed design trade-offs
- Focus on the practical implications across System Design, Feed
- Relevant areas: System Design, Feed
- Use the answer to connect the concept back to a realistic production or interview scenario for 'Design a news feed / timeline.'
Comparison / Tradeoffs
| Aspect | Notes |
|---|---|
| Core idea | Core social feed design trade-offs. |
| Practical tradeoff | In an interview, relate 'Design a news feed / timeline.' to implementation decisions, tradeoffs, and operational impact. |
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