Akshay Ratnawat on Instagram: "Most ML engineers assume semantic search understands versioning such as distinction between 3A and 3B. So when a RAG system retrieves Policy 3A instead of 3B, they blame: - the embedding model - vector DB choice - chunk size 👉 This answer instantly tells the interviewer you’ve never debugged RAG in production. 🔍 How to diagnose this in production In real systems: - 3A and 3B are semantically identical - Dense embeddings collapse symbolic differences - Vector simi