Definition

ElasticSearch

ElasticSearch is an open source, RESTful search engine built on top of Apache Lucene and released under an Apache license. It is Java-based and can search and index document files in diverse formats.

ElasticSearch has been compared to Apache Solr and offers several notable features:

Provides a scalable search solution.
Performs near-real-time searches.
Provides support for Multi-tenancy.
Streamlines backup processes and ensures data integrity.
An index can be easily recovered in a case of a server crash.
Uses Javascript Object Notation (JSON) and Java application program interfaces (APIs).
Automatically indexes JSON documents.
Indexing uses unique type-level identifiers.
Each index can have its own settings.
Searches can be done with Lucene-based querystrings.

This was last updated in May 2013

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