Node js Elastic Search Tutorial Example is the today’s main topic. Elasticsearch is an open source search engine, which becomes hugely popular due to its high performance and distributed architecture. Elasticsearch is built on top of the Apache Lucene, which is a high-performance text search engine library. Although Elasticsearch can perform the storage and retrieval of data, its primary purpose is not to serve as a database. Instead, it is a search engine (server) with the primary goal of indexing, searching, and providing real-time statistics on the data. show more