Elasticsearch 7.7.0 is here! Featuring the introduction of asynchronous search, significantly reduced consumption of heap, a password protected keystore, support for Red Hat Enterprise Linux 8, and more.

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!

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

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

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

In part two of our three-part Practical BM25 series, learn about the BM25 model and the structure and components of the BM25 formula.

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.