Design a Nested Comments System¶
Interview Time: 45 min | Difficulty: Easy
Key Focus: Tree structures, hierarchical queries
Step 1: Functional & Non-Functional Requirements¶
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Step 2: API Design, Data Model & High-Level Design¶
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Step 3: Concurrency, Consistency & Scalability¶
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Step 4: Persistence Layer, Caching & Monitoring¶
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⚡ Quick Reference Cheat Sheet¶
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🎯 Interview Summary (5 Minutes)¶
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