Dev Tools · 1h ago
Debugging a RAG App: Chunking Bug vs. Model Limits
A developer built a RAG app from scratch using Spring AI, pgvector, and local Ollama, then encountered two distinct failures that looked identical. One was a chunking bug; the other was the 3B model running out of capacity. The post details how to distinguish between pipeline errors and model limitations.
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A useful case study for developers building RAG systems, but the core insight—debugging by isolating components—is standard practice.
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I Built a RAG App, Then Asked It What Car I Like. It Didn't Know. →
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