HNSW ef_search: Why Your Vector Search Misses the Right Chunk
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The chunk was in the index. I checked three times. A support bot kept answering "that isn't covered in the documentation" for a question that was covered, in one paragraph, in a doc we had ingested two weeks earlier. I pulled the row out of Postgres by ID. It was there. Embedding present, 1536 dime…
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- 2026-09-10 16:43 · DEV Community — Machine Learning
HNSW ef_search: Why Your Vector Search Misses the Right Chunk