Posts by Jan Böker

Accelerating Map Search in Vespa: Fast-Search Map Fields

A deep dive into the map data type in Vespa, its performance pitfalls, and how the new fast-search map fields fix them.
Jan Böker Johan Solbakken
Jan Böker Johan Solbakken
23 Oct 2026

A Short Guide to Tweaking Vespa's ANN Parameters

This a companion post to the previous technical blog post, explaining how to tweak Vespa's ANN parameters.
Jan Böker
Jan Böker
04 Sep 2025

Additions to HNSW in Vespa: ACORN-1 and Adaptive Beam Search

This blog post highlights the latest additions to HNSW in Vespa, how to use them, and what's to come in the future.
Jan Böker
Jan Böker
04 Sep 2025