Amazon OpenSearch Service is a powerful search and analytics solution for businesses dealing with growing machine-generated data. It offers scale, speed, and flexibility for tasks like interactive log analytics, real-time application monitoring, and website search. Based on the open-source OpenSearch suite derived from Elasticsearch, it supports the latest OpenSearch versions and multiple Elasticsearch versions. The service provides visualization capabilities through OpenSearch Dashboards and Kibana, while eliminating operational overhead with automated provisioning, software installation, patching, and storage tiering. Built-in machine learning enables real-time anomaly detection, cluster Auto-Tuning, and personalized search across applications, websites, and data lakes.