How Instacart Built a Modern Search Infrastructure on Postgres
8 points by amw-zero
8 points by amw-zero
“By using Postgres GIN indexes and a modified version of Postgres’ ts_rank function, we were able to implement highly performant text matching in our retrieval.” Carries a lot of weight in this article but does not explain as to how they made it useful by presumably narrowing the gap between ts_rank and BM25