E = ElasticsearchĮlasticsearch is a distributed search and analytics engine built on Apache Lucene. Often referred to as Elasticsearch, the ELK stack gives you the ability to aggregate logs from all your systems and applications, analyze these logs, and create visualizations for application and infrastructure monitoring, faster troubleshooting, security analytics, and more.
The ELK stack is an acronym used to describe a stack that comprises three popular projects: Elasticsearch, Logstash, and Kibana.