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llmgw/internal
Ilker ManapandClaude Opus 5.5 9c675e7293 Knowledge bases at scale: halfvec, a text index per collection, ef_search raised to the candidates wanted
A search asking for more than 10 passages got at most 40 candidates from
HNSW, pgvector's default ef_search. The full-text arm scored every chunk
holding a word of the question before limiting, over the whole
organization's GIN index; it now takes candidates by ts_rank from the
collection's own partial index and scores those. New collections index
halfvec on pgvector 0.7 and later (up to 4000 dimensions).

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-08 22:08:29 +02:00
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