Author

Articles by 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.

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Bringing speedups to top-k queries with many and/or high-frequency terms

Apache Lucene is combining two optimizations for evaluating disjunctive queries, bringing significant speedups to top-k queries, especially with many terms and/or high-frequency terms.

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Achieve faster cardinality aggregations via dynamic pruning

Elasticsearch 8.9 introduces optimizations to cardinality aggregations by filtering out documents whose value has already been collected.

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Vector search in Elasticsearch: The rationale behind the design

There are different ways to implement a vector database, which have different trade-offs. In this blog, you'll learn more about how vector search has been integrated into Elastisearch and the trade-offs that we made.

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How we sped up data ingestion in Elasticsearch 8.6, 8.7, and 8.8

Data ingestion involves a lot of things that usually take a non-negligible amount of time. Fortunately, we've got improvements in 8.6, 8.7, and 8.8, which enabled some good speedups for end-to-end ingestion.

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Save 10% disk space on your logging datasets with match_only_text

Elasticsearch 7.14 introduces a new field type called match_only_text, which can be used as a drop-in replacement for the text field type in logging datasets and leads to a 10% reduction of storage requirements.

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Save space and money with improved storage efficiency in Elasticsearch 7.10

Elasticsearch 7.10 and Lucene 8.7 have significantly improved compression of indices with enhanced detection of duplicate data across documents. With up to 10% improved efficiency, you can upgrade today and start saving on storage costs.

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Elastic Stack 6.8.13 released

Elastic Stack 6.8.13 has been released. Read about the updates and bug fixes that have been included.

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Elastic Stack 7.9.3 released

Elastic Stack 7.9.3 has been released. Read about the updates and bug fixes that have been included.

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Elastic Stack 6.8.9 released

Elastic Stack 6.8.9 has been released. Read about the updates and bug fixes that have been included.