LLM Zoomcamp: RAG retrieval best practices

Al_Grigor · x · 2026-07-20

LLM Zoomcamp this week covers an optional Module 6: Best Practices focused on improving RAG retrieval quality.

Key ideas:

Combine multiple retrieval signals for better results
Rerank candidates to improve final context quality
Techniques shown include hybrid search, document reranking, and Reciprocal Rank Fusion
Tools mentioned: Elasticsearch, LangChain retrievers, and RAG notebooks

The material is recorded in 2024 and is meant as a concepts-and-patterns reference rather than a live update.

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