Hands On System Design - Distributed Systems Implementation

Hands On System Design - Distributed Systems Implementation

Day 44: Real-time Monitoring Dashboard with Kafka Streams

From Zero to Production: Building Real-time Analytics that Scale - 254-Day Hands-On System Design Series

Jun 24, 2025
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🎯 What We're Building Today

Today we're constructing a production-grade real-time monitoring dashboard that transforms raw Kafka streams into actionable business intelligence:

  • Stream Processing Engine - Kafka Streams API with windowed aggregations

  • Real-time Web Dashboard - Flask + WebSocket for live updates

  • Geographic Traffic Analysis - IP-based location tracking and visualization

  • Intelligent Alerting System - Configurable thresholds with email notifications

  • Custom Business Metrics - KPI tracking and pattern analysis


🏗️ The Production Reality

When Netflix processes 100TB of logs daily or when Uber tracks millions of ride events in real-time, they're not just storing data—they're extracting instant insights. The gap between a log event happening and a business decision being made can determine competitive advantage.

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GitHub Link:

https://github.com/sysdr/course-p/tree/main/day44/kafka-dashboard
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