1. Introduction In a previous article (see: Home Data Center Series: Understanding RAG from Scratch (Part 1): Principles and Complete Process Analysis), I introduced the theoretical five-step process of RAG: "Segmentation → Vectorization → Vector Storage → Retrieval → Answer Generation"; subsequently…
1. The Reason for the Third Optimization of the Blog's Active-Active Architecture A few days ago, I was preparing to perform a routine maintenance operation on the Mac mini node in the blog's active-active architecture: upgrading the Portainer version. However, a seemingly insignificant small problem ultimately caused the entire node…
1. Introduction I've been using a base-level VPS (US$39/year) from Racknerd's Chicago data center to build the "read-only node" in my blog's active-active architecture for about half a year now. Over this time, the VPS's overall stability has been quite good…
1. Introduction In previous articles, I wrote two about building your own Umami: one on setting up version 1.33.1 (see article: Docker Series: Building a Website Traffic Monitoring System Based on Umami), and the other on setting up version 2.11.3 (see article: Home Data Center…
1 Introduction: In my previous articles on RAGs and knowledge bases, the word vector frequently appears. It can be said that vector is one of the core concepts of AI. Anyone who has had some exposure to AI is likely familiar with this term. In fact, even without AI, everyone is familiar with the concept of vector...
1. The Crisis and Value of Personal Blogs Today. Once upon a time, personal blogs (hereafter referred to as blogs) were a beautiful form of writing on the internet. It was an era when everyone was willing to write and share their experiences: programmers recorded their study notes, travelers wrote down their travel stories, and food lovers…
1. The WordPress Caching Dilemma and Solutions 1.1 Why Do Many WordPress Site Owners Prefer to Give Up CDN? In the world of static sites, CDN is almost a "free performance optimization": static files are naturally suitable for caching, and HTML pages are almost...
1 Introduction In the previous article, I reviewed the core concepts and processes of RAG (see the article: Understanding RAG from Scratch in the Home Data Center Series (Part 1): Principles and Complete Process Analysis). However, that was still theoretical, just talk. To truly make RAG work, it must...
1 Introduction I've always had an idea—to build a chatbot for my blog that can understand the content of my blog posts and intelligently answer visitors' questions. While this requirement might seem simple at first glance, its actual implementation involves a series of unfamiliar and complex concepts: such as...
1 Introduction: My usual AI usage habits have always been quite simple—my priority has always been: 1. ChatGPT official client (I use the free quota, as I don't use it much anyway, and if I occasionally exceed the quota, I just wait a few hours as a forced break); 2. LobeChat...