alt Hacker NewsDidn't these guys also write pgvectorscale which seems to be unmaintained now ? Why a new index instead of adding onto or improving pgvectorscale?
Didn't these guys also write pgvectorscale which seems to be unmaintained now ? Why a new index instead of adding onto or improving pgvectorscale?
(pgvectorscale author here)
We address that directly in the blog post: https://www.tigerdata.com/blog/announcing-pg_vectorsearch-sc...
Summary: We weren't happy with the unpredictable recall performance of pgvectorscale (and couldn't find a way to fix that in the literature) and decided that moving away from graph-algorithms to partition-based ones was a better long-term approach.