4 engineers on Hacker News describe using Vespa first-hand: 4 endorse it, 0 regret it, 0 are mixed.
“I do support a very large (1.4B+ vector) Vespa deployment and see 40ms p99 query times. YMMV but it seems like people sleep on Vespa”
endorse · production · enahs-sf · 2025-11-28 · source ↗ · wrong label?“For me it is VERY resilient and production ready. It is such a dream compared to Elasticsearch, that we migrated from.”
endorse · production · bratao · 2023-10-04 · source ↗ · wrong label?“we moved to Vespa to reduce the number of tools to maintain.”
endorse · production · bratao · 2019-10-25 · source ↗ · wrong label?“We migrated from ES, and it is truly next-gen compared to ES”
endorse · production · bratao · 2019-03-12 · source ↗ · wrong label?