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Hybrid Search for Better RAG Retrieval
How to combine keyword search, vector search, metadata filters, and reranking so RAG systems retrieve the right context more often.
Amit Kumar Singh2 min read
Everything tagged rag, newest first.
How to combine keyword search, vector search, metadata filters, and reranking so RAG systems retrieve the right context more often.
How to choose chunk sizes, overlap, document boundaries, and metadata so retrieval returns useful context instead of fragments.
How to measure retrieval quality, answer faithfulness, freshness, and regressions before a RAG feature becomes trusted by users.
A working mental model for what embeddings actually encode.
What embeddings are, why approximate nearest-neighbor search needs special indexes, and when you actually need a vector database versus a pgvector column.