Hands On System Design Course - Code Everyday

Hands On System Design Course - Code Everyday

Day 50: Building Intelligent Log Pattern Alerting Systems

The Difference Between Noise and Signal in Production Monitoring

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System Design Course
Jun 30, 2025
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🎯 Today's Implementation Agenda

What We're Building:

  • Pattern-based alert detection engine with regex matching

  • Correlation system for alert grouping and deduplication

  • Real-time web dashboard with WebSocket updates

  • Multi-state alert lifecycle management (NEW → ACKNOWLEDGED → ESCALATED → RESOLVED)

  • Rate limiting and escalation automation

  • Production-ready notification system with multiple channels

Technical Stack:

  • FastAPI + WebSocket for real-time dashboard

  • PostgreSQL for alert persistence and analytics

  • Redis for correlation caching and rate limiting

  • Docker deployment with comprehensive testing

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