Technology

Elasticsearch

Elasticsearch is a distributed, open-source search and analytics engine, built on Apache Lucene, optimized for near real-time data ingestion and high-speed query performance at scale.

Elasticsearch is the core component of the Elastic Stack (ELK), functioning as a distributed, RESTful search and analytics engine. It stores all data as schema-less JSON documents within indices, using a highly efficient inverted index structure for millisecond-latency searches across petabytes of data. This architecture enables horizontal scalability by distributing indices across multiple nodes (shards), ensuring fault tolerance and high availability. Common use cases include full-text application search, log analytics (observability), security information and event management (SIEM), and powering AI-driven vector search applications.