java - AWS S3 multi-tenancy billing -

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i have multi tenancy (java web app) store/transfer files using aws s3. our customers paying for: - storage - data transfer

the calc of storage simple , it's ok now, problem calculate data transfer of our customers, envolve partial download problems, etc.

i wan't know experience approach.

there's way explore costs in effective way?

for example: send tenant-id , user-id on getobjectrequest. if there's way data ok.

anyone have better idea deal that?


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