Document extraction past the POC: layout drift breaks pipelines, and parser model swaps add reprocessing pain
Mission-Leave-6551 · reddit · 2026-11-04
A Reddit practitioner asks how document extraction actually works in production once past POC: fixed-format financial reports into delta tables work fine until the layout changes, then numbers go wrong or jobs fail.
Options under consideration: Databricks' aiparsedocument, LlamaParse, or Python plus an LLM. A deeper concern: parsers may silently change their underlying model between versions, raising the question of whether to reprocess old documents or live with inconsistent tables.
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