📅 2025-08-16 — Session: Enhanced Logging and Debugging for RAG Process

🕒 21:30–22:30
🏷️ Labels: RAG, Python, Logging, Debugging, Error Handling
📂 Project: Dev
⭐ Priority: MEDIUM

Session Goal

The primary goal of this session was to enhance the logging and debugging capabilities of a Python script involved in a Retrieval-Augmented Generation (RAG) process. This was aimed at improving traceability, error handling, and overall script performance.

Key Activities

  • Implemented verbose logging in the main() function to track execution stages and error handling.
  • Fixed argument parsing issues by correcting a broken help string and enhancing logging features.
  • Enhanced the RAG.py script with unbuffered output and periodic stack trace dumps to diagnose silent hangs.
  • Debugged Python module execution by ensuring the presence of the if __name__ == '__main__': guard.
  • Resolved disk space issues for model downloads by modifying code and suggesting alternative cache management solutions.
  • Updated the JSON loader function to improve document parsing with support for multiple content keys.
  • Implemented and fixed the TokenCapPostprocessor in LlamaIndex, addressing abstract class errors and Pydantic model issues.
  • Resolved duplicate argument errors in the LlamaIndex API, providing code examples for integration with Chroma.

Achievements

  • Successfully enhanced logging and debugging capabilities in the RAG process scripts, improving error traceability and execution monitoring.
  • Addressed and fixed critical errors in argument parsing, disk space management, and API usage.

Pending Tasks

  • Further testing and validation of the implemented changes in a production environment are required to ensure stability and performance improvements.
  • Explore additional enhancements for the automation run process to improve speed and clarity.