Using Spring Data Elasticsearch for persistence

This section will introduce Elasticsearch and how to use Spring Data Elasticsearch repositories to provide Create, Retrieve, Update, and Delete (CRUD) operations on Elasticsearch easily.

Understanding Elasticsearch

Elasticsearch is an open source search and analytics engine that can run in a distributed environment. It provides RESTful APIs to ingest and retrieve high-volume, high-velocity data. Elasticsearch is built on top of Apache Lucene and was released in 2010. It has popular use cases such as:

• Log analytics
• Full-text search
• Operational and business intelligence
• Distributed Document Store

Elasticsearch can store new data in the form of documents and it indexes the documents...