EbsConfiguration - Amazon EMR
This documentation is a draft for private preview for regions in the AWS European Sovereign Cloud. Documentation content will continue to evolve. Published: January 7, 2026.

EbsConfiguration

The Amazon EBS configuration of a cluster instance.

Contents

EbsBlockDeviceConfigs

An array of Amazon EBS volume specifications attached to a cluster instance.

Type: Array of EbsBlockDeviceConfig objects

Required: No

EbsOptimized

Indicates whether an Amazon EBS volume is EBS-optimized. The default is false. You should explicitly set this value to true to enable the Amazon EBS-optimized setting for an EC2 instance.

Type: Boolean

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: