Learning Elastic Stack 6.0

What is Elasticsearch, and why use it?

Since you are reading this book, you probably already know what Elasticsearch is. For the sake of completeness, let us define Elasticsearch.

Elasticsearch is a realtime, distributed search and analytics engine that is horizontally scalable and capable of solving a wide variety of use cases. At the heart of Elastic Stack, it centrally stores your data so you can discover the expected and uncover the unexpected.

Elasticsearch is at the core of Elastic Stack, playing the central role of a search and analytics engine. Elasticsearch is built on a radically different technology, Apache Lucene. This fundamentally different technology in Elasticsearch sets it apart from traditional relational databases and other ...