James' Growth Diary

Apr 17, 2026 · Artificial Intelligence

How to Load and Split Documents for RAG: First Step to Building a Knowledge Base

This tutorial explains why document loading and splitting are critical for RAG pipelines, introduces LangChain's Document format, demonstrates loaders for various file types, details the RecursiveCharacterTextSplitter and alternative splitters, and provides practical tips on parameter tuning, metadata preservation, Chinese text handling, and common pitfalls.