Dynamo db cost usage

Question

Hi,
Just want to know how can we find which Dynamo DB table cost is high. I have to go through cost explorer where we can find services-wise costs but not table-wise costs. Is there  any way we can look at it

Regards
Harry

Accepted Answer

DynamoDB does not emit table level costs, as i'm sure you have already noticed. However, in Cost Explorer we can [Cost Allocation Tagging](https://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/cost-alloc-tags.html) to break down the costs for each table individually.

A common way to achieve this is to tag each table with its unique name, also known as Eponymous Table Tagging. We have provided a simple tool which can help you do this for all your current tables which is available in the [AWS Labs GitHub](https://github.com/awslabs/amazon-dynamodb-tools#eponymous-table-tagger-tool). This will traverse all of your tables and add a tag with value of TableName, which will further  allow you to break costs down per table.

Answer

If you need to go beyond what's already available in cost explorer you need to introduce a custom dimension and it's very standard with the use of tags. Read up on cost allocation tags.

Dynamo db cost usage

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