Adrien Grand

Adrien Grand

Distinguished Software Engineer I

Adrien is a Lucene committer at The Apache Software Foundation and a software engineer at Elastic, where he works on improving Elasticsearch. He has worked with Apache Lucene for a decade. When he’s not tackling search-related problems from his home in Normandy, France, he enjoys horseback riding.

Articles by Adrien Grand

Apache Lucene 10 is out! Improvements to Lucene's hardware efficiency & more

Apache Lucene 10 has been released, with a focus on hardware efficiency! Check out the main release highlights.

Adrien Grand

What happened in Lucene land in 2023?

2023 has been another big year for Apache Lucene, this blog reviews major milestones of 2023

Adrien Grand

Apache Lucene 9.9, the fastest Lucene release ever

Lucene 9.9 brings major speedups to query evaluation. Here are the performance improvements observed in nightly benchmarks & optimization resources.

Adrien Grand

MAXSCORE & block-max MAXSCORE: More skipping with block-max MAXSCORE

Learn about MAXSCORE, block-max MAXSCORE & WAND. Improve the MAXSCORE algorithm to evaluate disjunctive queries more like a conjunctive query.

Adrien Grand

Less merging and faster ingestion in Elasticsearch 8.11

Discover how Elasticsearch 8.11 improved its indexing buffer, resulting in less segment merging and faster ingestion.

Adrien Grand

Vector search in Elasticsearch: The rationale behind the design

In this blog, you'll learn how vector search has been integrated into Elasticsearch and the trade-offs that we made.

Adrien Grand

Ready to build state of the art search experiences?

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