Elasticsearch is a popular open-source search and analytics engine for use cases such as log analytics, real-time application monitoring, and click stream analytics.
Elasticsearch is a search server based on Lucene. Elasticsearch is developed in Java and is released as open source under the terms of the Apache License. Elasticsearch is the most popular enterprise search engine followed by “Apache Solr”, also based on Lucene.
( Lucene: Lucene is a “free and open-source information retrieval software library”, originally written in Java by “Doug Cutting”. It is supported by the Apache Software Foundation and is released under the Apache Software License. Also K/A Apache Lucene.) Continue reading