Rag Lessons

9 lessons in this domain
BGE Embedding Fallback Crash
When HermesHub starts, if the BGE-m3 model has not been downloaded to the local path, SkillIndexer crashes immediately.
Knowledge Base 4-Sigma Quality Audit Pipeline
After continuous document imports, the RAG knowledge base developed data contamination, version confusion, inconsistent
RAG Alarm Code Retrieval Needs Mandatory Keyword Recall
When querying "SRVO-023 robot alarm", RAG returned unrelated results instead of the correct FANUC alarm documentation.
RAG Brand Filter Three Pitfalls
During a quality inspection of a FANUC robot RAG knowledge base, the team found three design flaws in the brand-filterin
RAG Build Strategy Batch
During knowledge-base construction (chunks_v3, 34,100 docs), all data was loaded into VRAM/WSL memory at once. This caus
RAG Chinese Encoding with PyMuPDF
When building a FANUC knowledge-base RAG system, retrieved Chinese alarm codes appeared garbled.
RAG Chunk Parameters 800 Characters and 100 Overlap
After importing FANUC PDF documents into RAG, retrieval quality was unstable and recall was low for long documents.
RAG Knowledge Base Quality Flywheel Self Loop
A vertical-domain RAG knowledge base (190+ PDFs, 200K+ vectors) was already online, supporting natural-language Q&A and
RAG Three-Channel LLM Disaster Recovery
When serving a RAG knowledge base externally (Gradio Web UI / WeChat bot), a single LLM API path may become unavailable
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