An open-source search and analytics engine used for full-text search, log analysis, and real-time application monitoring. Originally forked from Elasticsearch, it's like a super-powered search engine that can find and analyze information across billions of records in milliseconds.
A cybersecurity company uses Amazon OpenSearch Service to ingest and search through 50TB of daily security logs, creating real-time dashboards that alert analysts to suspicious patterns within seconds of an event occurring.
OpenSearch is an open-source search and analytics engine. AWS offers a managed OpenSearch service. Azure and GCP provide managed search services with different architectures (more "search-as-a-service" than OpenSearch-compatible clusters). OCI provides a managed OpenSearch offering aimed at running OpenSearch workloads.