Articles By Shane Connelly

Releases

Elasticsearch 7.0.0 released

Elasticsearch 7.0.0 is now out with faster searching, an all-new cluster coordination algorithm, ease-of-use improvements, new search capabilities, and more!

Releases

Elasticsearch 7.0.0 Beta 1 Released

Elasticsearch 7.0 Beta 1 has arrived. Check out all the improvement, like faster queries for top K hits, interval queries, nanosecond precision, and more.

Releases

Elasticsearch 6.5.0 Released

We're excited to share the newest Elasticsearch released with you. Meet version 6.5.0.

Engineering

Space Savings: A Lesser Known Benefit of Index Sorting in Elasticsearch

We introduced index sorting in Elasticsearch 6.0 to help optimize cluster performance. Did you know that in some use cases, it can also help save space?

Releases

Elasticsearch 6.4.0 Released

Today we are pleased to announce the release of Elasticsearch 6.4.0, based on Lucene 7.4.0.

Releases

Elasticsearch 6.3.0 Released

Today we are pleased to announce the release of Elasticsearch 6.3.0, based on Lucene 7.3.0.

Engineering

Practical BM25 - Part 1: How Shards Affect Relevance Scoring in Elasticsearch

Find out how similarity ranking (relevancy) is impacted in Elasticsearch by the amount of shards in your index.

Engineering

Practical BM25 - Part 2: The BM25 Algorithm and its Variables

Learn more about how BM25 works by exploring the equation, variables, and concepts behind the default similarity ranking algorithm in Elasticsearch.

Engineering

Practical BM25 - Part 3: Considerations for Picking b and k1 in Elasticsearch

While there are no "best values" for b and k1, there are best practices and research data that should be considered before tuning these BM25 components.