Elasticsearch is an open source search engine based on the Java library Apache Lucene. The program searches and indexes documents of different formats, stores the search results in a NoSQL format and outputs them in JSON format via a RESTful web interface.
The perfect tools for large datasets
The Elastic Stack (ELK) is a collection of open source software for searching large databases and analyzing logs. This includes the search engine ElasticSearch, Beats to collect metrics from different sources, Logstash to preprocess the data and Kibana for easy and comfortable data visualization.
Elasticsearch is a search engine based on Lucene. The program, written in Java, stores all kinds of documents in a NoSQL format and returns them to the application via a RESTful API in JSON format.
Elasticsearch is not only a first-class tool for the page-wide search function, with the Elastic-Stack, logs and particularly large data stocks can also be conveniently analysed and visually prepared.
With Elastic, decisions can be made with the help of data. Next to Apache Solr, Elasticsearch is the most widespread search server in the enterprise environment.
Niels Langlotz
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