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Object Storage Service:Why is the storage usage displayed in the billing details list or the exported bill different from the actual storage usage?

Last Updated:Aug 29, 2023

This topic describes the reason why the storage usage displayed in the billing details list or the exported bill is different from the actual storage usage.

OSS calculates all resource usage by hour and generates fees for actual usage. If you select By Day for Statistic Period on the Billing Details tab of the Bill Details page in the Billing Management console, the data in the Usage column specifies the cumulative usage of the 24 hours on the current day. This causes the difference between the actual storage usage and the storage usage in the billing details list or the exported bill. For example, you select By Day for Statistic Period and your actual storage usage is 1 TB. The storage usage that is displayed in the bill is 24 TB. You are charged for the 24-hour storage of 1 TB of data.