How can I pin-point the source of AWS S3 costs?

Martin Thoma 0
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I'm currently surprised by a pretty high daily AWS S3 cost of over 31 USD per day (I expected 9 USD - 12 USD per month):

  • I'm using eu-central-1
  • All buckets combined are less than 400 GB
  • No replication

The best explanation I have is that the number of requests was way higher than expected. But I don't know how I can confirm this. How can I narrow down the source of AWS S3 cost?

Is it possible to see the costs by bucket?

Is it possible to see a breakdown by storage / requests / transfers / other features like replication?

aws-cost-explorer amazon-s3 amazon-web-services
1 Answers

First pay attention to the factors on which AWS S3 charges - i.e. based on storage, how many requests s3 is getting, data transfer and retrieval.

Some of the ways for cutting and keep track on the cost -

  • Delete the previous version of the buckets if you don't need that.
  • Move the data to different s3 storage based on frequency of data retrieval.
  • activate the cost allocation tags on your buckets so that you can review the cost on individual bucket.
  • create an S3 Storage Lens dashboard for all the buckets in your account.
Mohsina0
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