Hands On System Design Course - Code Everyday

Hands On System Design Course - Code Everyday

Day 75: Bloom Filters - The Memory-Efficient Guardians of Your Log Processing System

Module 3: Advanced Log Processing Features | Week 11: Performance OptimizatioN

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System Design Course
Jul 25, 2025
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What We're Building Today

By the end of this lesson, you'll have constructed a complete bloom filter system featuring:

Core Implementation

  • Memory-efficient bloom filter with configurable false positive rates

  • Multiple hash functions using MurmurHash3 for optimal distribution

  • Persistence layer for saving/loading filter state

Production Features

  • FastAPI REST API with comprehensive endpoints

  • Real-time web dashboard showing filter statistics

  • Integration with existing log processing pipeline

  • Performance monitoring and health checks

The Problem Bloom Filters Solve

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