Elasticsearch

4 articles

2024-10-15 AI

How to Build a RAG System with LangChain and Elasticsearch

A hands-on guide to building Retrieval Augmented Generation — from vector embeddings to context-enhanced LLM answers.

2024-03-10 DEEP

How to Design a Full-Site Search Engine with Elasticsearch

Multi-source indexing, CDC sync, permission-aware search, hot keywords, and typeahead — a complete Elasticsearch architecture guide.

2024-02-20 DEEP

Building a Knowledge Base Search Engine with FSCrawler and Elasticsearch

Index PDFs, Word docs, and scanned files into Elasticsearch with FSCrawler. Covers OCR, custom mappings, and production setup.

2023-01-08 CLOUD

How to Build API Monitoring with Grafana and Elasticsearch

Set up production API monitoring from scratch — Elasticsearch data source, Lucene queries, Grafana panels, and alerting rules.