public Integer getEbsRootVolumeSize() {
        return this.ebsRootVolumeSize;
    }
<p>
The size, in GiB, of the Amazon EBS root device volume of the Linux AMI that is used for each Amazon EC2
instance. Available in Amazon EMR releases 4.x and later.
</p>

@return The size, in GiB, of the Amazon EBS root device volume of the Linux AMI that is used for each Amazon EC2
        instance. Available in Amazon EMR releases 4.x and later.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/Cluster.java