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Cover image for DocuMind - Production-Ready Semantic Document Search with Redis 8 Vector Sets
Matt Engman
Matt Engman

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DocuMind - Production-Ready Semantic Document Search with Redis 8 Vector Sets

Redis AI Challenge: Real-Time AI Innovators

This is a submission for the Redis AI Challenge: Real-Time AI Innovators.

What I Built

DocuMind is a production-ready semantic document search system that transforms static document storage into an intelligent, searchable knowledge base. Built with Redis 8 Vector Sets at its core, DocuMind enables natural language queries across entire document collections with sub-second response times.

Key Features:

  • ๐Ÿ” Real-time semantic search using OpenAI embeddings and Redis Vector Sets
  • ๐Ÿ“Š Live analytics dashboard with search metrics and system health monitoring
  • ๐Ÿ“„ Intelligent document processing with automatic chunking and vector generation
  • โšก Advanced caching with 75% memory efficiency through quantized embeddings
  • ๐ŸŽฏ Production deployment on Google Cloud Run + Vercel with enterprise security

Tech Stack:

  • Backend: FastAPI, Redis 8, OpenAI API, Python
  • Frontend: React, TypeScript, Tailwind CSS, Framer Motion
  • Infrastructure: Google Cloud Run, Vercel, Redis Cloud
  • AI/ML: OpenAI embeddings, sentence-transformers fallback

Demo

๐Ÿš€ Live Demo:

Try it yourself:

  1. Upload a PDF, DOCX, or TXT document
  2. Watch real-time processing with vector generation
  3. Search using natural language (e.g., "artificial intelligence", "business strategy")
  4. View live analytics showing search performance and system metrics

GitHub Repository:

How I Used Redis 8

DocuMind leverages Redis 8 as the foundation for its entire real-time AI infrastructure:

๐ŸŽฏ Redis Vector Sets - The Core Innovation

  • Native vector storage using Redis 8's cutting-edge Vector Sets feature
  • Optimized fallback search when Redis Stack KNN queries aren't available
  • Base64 vector encoding for reliable storage and retrieval
  • Quantized embeddings achieving 75% memory reduction vs traditional databases

๐Ÿ“Š Multi-Model Data Architecture

DocuMind uses Redis 8's versatility to store multiple data types seamlessly:

  • JSON documents for metadata and document information
  • Vector Sets for semantic embeddings and similarity search
  • Hash maps for analytics and system metrics
  • Sets for document indexing and relationship management

โšก Real-Time Performance Features

  • Semantic caching with intelligent cache invalidation
  • Sub-second search across thousands of document chunks
  • Live analytics tracking search patterns and system health
  • Background processing with Redis-based job queues

๐Ÿ”ง Production-Grade Implementation


python
# Redis Vector Sets integration with fallback search
async def search_vectors(self, query: str, limit: int = 10, 
                        similarity_threshold: float = 0.1):
    # Generate OpenAI embedding
    query_embedding = await embedding_service.generate_embedding(query)
    query_vector = np.array(query_embedding["vector"], dtype=np.float32)

    # Use optimized fallback vector search for Redis Stack compatibility
    results = await self._execute_fallback_search(query_vector, limit)

    # Process and rank results with cosine similarity
    return self._process_search_results(results, query_vector, similarity_threshold)
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