https://ayyzenn.github.io/tags/vector-database/Recent content in Vector Database on ayyzennHugo -- 0.163.3en-usSun, 29 Jun 2025 00:00:00 +0000https://ayyzenn.github.io/posts/local-rag-system/Sun, 29 Jun 2025 00:00:00 +0000https://ayyzenn.github.io/posts/local-rag-system/<h2 id="why-i-built-this">Why I Built This</h2> <p>I wanted a chatbot that answers questions from <strong>my own documents</strong> — without sending data to a cloud API. This RAG setup runs fully offline with <strong>Ollama</strong> and <strong>ChromaDB</strong> on my machine.</p> <ul> <li><strong>Privacy</strong> — your data stays on your machine</li> <li><strong>No API costs</strong> — no usage fees or rate limits</li> <li><strong>Speed</strong> — no network delay for each query</li> <li><strong>Control</strong> — you choose what goes into the knowledge base</li> <li><strong>Offline use</strong> — works without internet after setup</li> </ul> <hr> <h2 id="architecture-overview">Architecture Overview</h2> <p>My local RAG system consists of four main components:</p>