The TOS SDK supports copying objects between storage buckets within the same region, as well as copying objects within a single storage bucket. Copy operations do not support cross-region copying and require read permission on the source object.

The TOS SDK provides two object copying methods:

Standard Copy: The size of the copied object must not exceed 5 GiB.

Multipart Copy: Except for the last part, each part must be at least 5 MiB in size. The part numbers for uploaded parts must be within the range [1, 10000].

Resumable Copy: Applicable to scenarios where large objects are copied via SDK within a single bucket or between two buckets in the same region.

Last updated: 2025.09.22 11:34:17

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