[Maeumjigi Capstone Dev Log #4] Full-Scale Data Preprocessing: Llama 3.1 Chat Template & Autonomous JSONL Pipeline
· 4 min read
April 1, 2026, was the day our engineering team launched the automated preprocessing pipeline for the massive counseling corpora that would form the foundation of Maeumjigi. Training a high-performance open-source Large Language Model (LLM) like Meta Llama 3.1 requires rigorous data hygiene: converting unstructured multi-party dialogues into clean, token-bounded, and special-token-aligned instruction datasets.