RAG Without the Lag: Interactive Debugging for Retrieval-Augmented Generation Pipelines

• URL: http://arxiv.org/abs/2504.13587v1
• Date: Fri, 18 Apr 2025 09:38:49 GMT
• Title: RAG Without the Lag: Interactive Debugging for Retrieval-Augmented Generation Pipelines
• Authors: Quentin Romero Lauro, Shreya Shankar, Sepanta Zeighami, Aditya Parameswaran,
• Abstract summary: Retrieval-augmented generation (RAG) pipelines have become the de-facto approach for building AI assistants with access to external, domain-specific knowledge.<n>RAGGY is a tool that combines a Python library of composable RAG primitives with an interactive interface for real-time debug.
• Score: 1.5741300187949614
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Retrieval-augmented generation (RAG) pipelines have become the de-facto approach for building AI assistants with access to external, domain-specific knowledge. Given a user query, RAG pipelines typically first retrieve (R) relevant information from external sources, before invoking a Large Language Model (LLM), augmented (A) with this information, to generate (G) responses. Modern RAG pipelines frequently chain multiple retrieval and generation components, in any order. However, developing effective RAG pipelines is challenging because retrieval and generation components are intertwined, making it hard to identify which component(s) cause errors in the eventual output. The parameters with the greatest impact on output quality often require hours of pre-processing after each change, creating prohibitively slow feedback cycles. To address these challenges, we present RAGGY, a developer tool that combines a Python library of composable RAG primitives with an interactive interface for real-time debugging. We contribute the design and implementation of RAGGY, insights into expert debugging patterns through a qualitative study with 12 engineers, and design implications for future RAG tools that better align with developers' natural workflows.

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