What is Elasticsearch and what is it primarily used for?
The question is about Elasticsearch .
Elasticsearch is an open-source distributed search and analytics engine built on Apache Lucene, used for full-text search, log analytics, application monitoring, and structured data querying at scale. Elasticsearch stores data as JSON documents and retrieves them using a query DSL that supports relevance ranking, faceted filtering, aggregations, and geo-search. By 2026, it is the standard technology for products requiring advanced search capabilities beyond those offered by relational databases.
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