Node.js 8 the Right Way

Introducing Elasticsearch

Elasticsearch is a distributed, document-oriented, NoSQL database. In recent years, Elasticsearch has been gaining in popularity relative to other JSON-based document datastores, and for good reason. Built on Apache Lucene,^[47] Elasticsearch provides a rich suite of querying capabilities, including full-text search, stemming, and fuzzy search. With Elasticsearch you can also execute a variety of aggregation queries, apply filters, and perform numeric comparisons.

No one tool is best for all jobs, of course, and Elasticsearch is no exception. But given that our Project Gutenberg documents are textual in nature—including titles of books, author names, and subject strings—Elasticsearch is a natural fit. Once the documents ...