Hands On System Design - Distributed Systems Implementation
System Design CourseBuild production-grade distributed systems by writing every line of code yourself. Build LogStream — your own production-grade distributed log platform. Hands on coding implementation everyday.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 287 | Founded | a year ago | Last Issue | 4 days ago |
| Active | |||||
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sdcourse.substack.comLatest Issues
Day 180: Implement Geospatial Log Analysis
What We Build Today
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A geospatial log ingestion pipeline that parses location fields from IoT device logs
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A spatial indexing engine using H3 hexagonal grids to cluster events by region
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A geofencing evaluator that flags logs...
Day 74: Optimize Storage Format for Read/Write Patterns
Yesterday you put a cache in front of your query layer and watched p99s drop.
Yesterday you put a cache in front of your query layer and watched p99s drop. Good. But caching hides a storage problem, it doesn’t fix one. Today you fix the on...
Week 13: API & Service Layer — The front door to your log platform
What we’re building today
What we’re building today
Day 179: Device State Tracking and Management from IoT Logs
Week 26: IoT and Edge Log Processing Series: 254-Day Hands-On System Design with Distributed Log Processing System Implementation
What We Build Today
Day 73: Add Caching Layers for Frequent Queries
What We’re Building Today
What We’re Building Today
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Authors
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Build a complete, production-ready distributed log processing system from scratch. Each day features practical, hands-on tasks with concrete outputs that incrementally develop your expertise in distributed systems.
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