Search data without running the servers
A team sends data to Amazon OpenSearch Service so people or applications can search it quickly. An online shop might use it to help customers find products. A team might also use it to investigate application logs, which record what an app has done. AWS runs the search system; the team chooses what data to put in it and who can access it.
The service was formerly called Amazon Elasticsearch Service, so you may still see that name in older documentation.
Similar names
OpenSearch is the search software; Amazon OpenSearch Service is AWS’s service for running it. The service also supports certain older versions of Elasticsearch, a separate search product with a shared history.