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bindings docs: vector guide states the default search beam and the recall drop during a graph rebuild (upstream #8862) (#56) - #57
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…call drop during a graph rebuild (upstream ArcadeData#8862) (#56) The default beam is max(2k, 20) from 10,000 vectors up: 80% of the true top 10 on 20,000 random 32-d vectors, against 99.7% at a beam of 100, so the guide now says to set it instead of leaving it unset. A new section describes the background rebuild that deletes and updates trigger, the recall drop during it (upstream ArcadeData#8862), and the log line that marks its end. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WWcDr7TwvcfMsQkeYQVHZr
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Closes #56.
ef_searchunset. Measured on main3625409603(20,000 random 32-dimension vectors, cosine, defaults): the default beam from 10,000 vectors up ismax(2k, 20)and found 80% of the true top 10, where a beam of 100 found 99.7%. The guide now states the default and says to set the beam for the recall needed.arcadedb.vectorIndex.rebuildGraphRatio), and until LSM_VECTOR: searches during an async graph rebuild return poor neighbors (recall@10 0.14-0.31 with efSearch 100, against 0.99 before and after); the deletes alone do not cause it ArcadeData/arcadedb#8862 is fixed, searches during it return much worse neighbours (recall@10 0.14 to 0.31 at a beam of 100, against 0.99 before and after). Advice: bulk deletes and updates at a quiet time; theBuilt graph for indexlog line marks the end.mkdocs buildpasses with the CI plugins.🤖 Generated with Claude Code
https://claude.ai/code/session_01WWcDr7TwvcfMsQkeYQVHZr