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I Ditched Cloud Vector Databases for SQLite FTS5 — and My RAG Pipeline Got 10x Better

This story is from 2026-08-28. It is preserved in the archive; the latest stories are on the live feed.

A few months ago, I was debugging a RAG pipeline for an internal engineering repo. A developer typed: "What is the timeout limit in config_v2.py for worker pool #4?" The system, backed by a popular managed vector database and state-of-the-art cosine embeddings, confidently retrieved five paragraphs…

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  1. 2026-08-28 13:54 · DEV Community — Machine Learning
    I Ditched Cloud Vector Databases for SQLite FTS5 — and My RAG Pipeline Got 10x Better

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