relation between CloudWatch Metrics and Cost and Usage Report line_item_usage_amount

Question

What I'm trying to do is find the logic to map a CloudWatch Metrics to the line_item_usage_amount value in Cost and Usage Report.

Below is the content of the Cost and Usage Report.

| identity_time_interval | line_item_product_code | line_item_usage_type | line_item_usage_amount |
| --- | --- | --- | --- |
| 2023-06-01T00:00:00Z/2023-06-01T01:00:00Z | AmazonSageMaker | APN2-Train:ml.m5.24xlarge | 0.03270278 |
| 2023-06-01T00:00:00Z/2023-06-01T01:00:00Z | AmazonSageMaker | APN2-Train:ml.m5.24xlarge | 0.01860417 |

SageMaker calculates its price based on the number of hours spent. So I assume that between 00:00 and 01:00, the APN2-Train:ml.m5.24xlarge instance was charged of roughly 0.05 hours of usage.

However, when I query the CloudWatch metric with the option below,

start_time : 2023-06-01T00:00:00Z

end_time : 2023-06-01T01:00:00Z

MetricName : ResourceCount

Stat : Maximum/Average/...

period : 300

I only get 3 datapoint

2023-06-01 00:55:00.       1.0

2023-06-01 00:50:00.       0.0

2023-06-01 00:45:00.       1.0

Firstly, why do I get only 3 datapoints when given 5min period in a 60min time interval? I supposed there should be 12 datapoints.
Secondly, which option should I change to find an equation to calculate the 'line_item_usage_amount' from the CloudWatch Metrics?

I very much appreciate any help possible :)

Answer

Hi,

I suggest you open up a ticket with AWS Billing Support. Here are the general steps to contact AWS Billing Support:

* **Open the AWS Support Center page**. You can do this by clicking on "Support" in the navigation bar at the top of the screen, then selecting "Support Center".
* **Click on "Create case".** This option is usually on the right side of the Support Center page.
* **Select the type of case.** In this case, you would select "Billing".
* **Fill in the case details.** This will usually include your AWS account number, a brief description of the issue, and other relevant details. Make sure to include as much information as you can to help the Support team resolve your issue.
* **Submit the case.** AWS Support will get back to you by email, phone, or through the AWS Support Center, depending on the contact method you selected.

identity_time_interval	line_item_product_code	line_item_usage_type	line_item_usage_amount
2023-06-01T00:00:00Z/2023-06-01T01:00:00Z	AmazonSageMaker	APN2-Train:ml.m5.24xlarge	0.03270278
2023-06-01T00:00:00Z/2023-06-01T01:00:00Z	AmazonSageMaker	APN2-Train:ml.m5.24xlarge	0.01860417

relation between CloudWatch Metrics and Cost and Usage Report line_item_usage_amount

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