High-Level Design (HLD) Case Studies¶
Deep dives into how large systems are built — requirements, architecture, scaling and failure handling.
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What's included¶
- 12 case studies — chat, feed, video streaming, payments and more
- Capacity estimates and data models for each
- Bottlenecks, scaling steps and trade-offs explained
- Diagrams you can reuse in interviews
Format¶
PDF · ~100 pages