Amazon OpenSearch Service now supports Graviton4 based (c8g,m8g,r8g and r8gd) instances

Published
October 17, 2025
https://aws.amazon.com/about-aws/whats-new/2025/10/amazon-opensearch-service-supports-graviton4-based-instances

Amazon OpenSearch Service Updates

Amazon OpenSearch Service now supports the latest generation Graviton4-based Amazon EC2 instance families, including compute optimized (C8g), general purpose (M8g), and memory optimized (R8g, R8gd) instances. AWS Graviton4 processors offer up to 30% better performance than AWS Graviton3 processors, providing the best price performance for compute-intensive, general purpose, and memory-intensive workloads respectively.

These new instances are available across 23 regions globally. For more details, visit the pricing page and product page.

Source: AWS release notes




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