https://www.alibabacloud.com/help/en/emr/emr-on-ecs/developer-reference/api-emr-2021-03-20-struct-datadisk
DataDisk data structure - E-MapReduce - Alibaba Cloud
The E-MapReduce `DataDisk` object defines cluster data disk properties, enabling you to specify category, size, and performance level to balance cost and I/O.
data structuredatadiskmapreducealibabacloud