Discover more about what's new at AWS with Amazon OpenSearch Serverless now supports Collection Groups

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Amazon OpenSearch Serverless introduces Collection Groups, enabling shared compute resources (OCUs) across collections with different KMS encryption keys. This feature reduces costs through resource sharing while maintaining security isolation, and allows setting minimum OCU allocations for predictable startup performance. It's particularly useful for multi-tenant workloads requiring separate encryption keys per tenant while optimizing compute utilization.