AWS – Cross-cluster search is now supported on existing Amazon OpenSearch Service domains

Amazon OpenSearch Service now offers support for cross-cluster search on existing domains. Cross-cluster search enables you to perform searches and aggregations across multiple domains with a single query or from a single OpenSearch Dashboard interface. With this feature, you can separate heterogeneous workloads into multiple domains, which provides better resource isolation, and the ability to tune each domain for their specific workloads to improve efficiency and reduce costs.

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