About the author
John Wagster is a software engineer at Elastic, where he works on improving Elasticsearch.
Author’s articles

October 2, 2025
Introducing a new vector storage format: DiskBBQ
Introducing DiskBBQ, an alternative to HNSW, and exploring when and why to use it.

October 22, 2024
RaBitQ binary quantization 101
Understand the most critical components of RaBitQ binary quantization, how it works and its benefits. This guide also covers the math behind the quantization and examples.