# EBS volume metrics
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Compute Optimizer analyzes the following CloudWatch metrics of your EBS volumes.


| Metric | Description | 
| --- | --- | 
|  VolumeReadBytes  | The read bytes per second of the EBS volume. | 
|  VolumeWriteBytes  | The write bytes per second of the EBS volume. | 
|  VolumeReadOps  | The read operations per second of the EBS volume. | 
|  VolumeWriteOps  | The write operations per second of the EBS volume. | 

For more information about these metrics, see [Amazon CloudWatch metrics for Amazon EBS](https://docs.amazonaws.cn/AWSEC2/latest/UserGuide/using_cloudwatch_ebs.html) in the *Amazon Elastic Compute Cloud User Guide*.