Optimizing RAG at Scale: Chunking, Retrieval, and the Bayesian Search That Cut Latency 40%

📰 Dev.to AI

Learn how to optimize RAG at scale using chunking, retrieval, and Bayesian search to reduce latency by 40% and improve recall@10 to 95%

advanced Published 20 Jul 2026
Action Steps
  1. Chunk large documents into smaller tokens using a suitable chunk size
  2. Implement a retrieval pipeline with a tunable top-k parameter
  3. Apply Bayesian search to improve recall@10
  4. Test and evaluate the optimized RAG pipeline using metrics such as latency and recall@10
  5. Configure and fine-tune the pipeline for specific use cases, such as legal contracts or long documents
Who Needs to Know This

This article is relevant for AI engineers, data scientists, and software engineers working on large-scale RAG implementations, as it provides practical tips for optimizing performance and improving search results

Key Insight

💡 Optimizing RAG at scale requires a measured and tunable approach to retrieval and search, rather than relying on default parameters and 'semantic search + hope'

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💡 Cut RAG latency by 40% and improve recall@10 to 95% with chunking, retrieval, and Bayesian search!

Key Takeaways

Learn how to optimize RAG at scale using chunking, retrieval, and Bayesian search to reduce latency by 40% and improve recall@10 to 95%

Full Article

Optimizing RAG at Scale: Chunking, Retrieval, and the Bayesian Search That Cut Latency 40% How we moved from "semantic search + hope" to a measured, tunable retrieval pipeline with 95% recall@10 The RAG Reality Check Everyone ships RAG the same way: chunk by 512 tokens, embed with text-embedding-3-small , top-k=5, stuff into context. It works for demos. Then you hit production: Legal contracts: 512 tokens splits clauses mid
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