Why I replaced vector DBs with SQLite triples and 10k-D VSA
Equivalent-Flan-1590 · reddit · 2026-08-24
The Hillock author explains the architectural decision to replace dense vector DBs with a neuro-symbolic approach. It uses SQLite for clean SPO triples and 10,000-dim hypervectors (VSA) on CPU for <1ms query gating. Documents are parsed into triples in 5s via the TALON engine without LLM calls. Queries that fail the HDC similarity check are hard-refused before hitting the LLM, turning refusal into control flow.
Related event: Hillock v0.5: Lightweight Local Agent Memory via SQLite and VSA(2 posts)→
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