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The table lists the limitations of buckets, objects, service accounts and permissions and their associated actions.
|Maximum number of buckets
|100 buckets per account..
Note—To create additional buckets (up to 1000 buckets), raise a Support Ticket. For more information, see Creating a support ticket.
|Maximum number of objects per bucket
|Maximum object size (multipart upload)
|Minimum object size
|Maximum object size per PUT operation
|Maximum length for bucket names
|Maximum length for object names
|1024. Note—if an object name exceeds 255 characters in length, it must contain one or more "/" characters. Furthermore, any segment between two "/" characters should not exceed 255 characters in length.
The table lists the multipart upload limitations.
|Maximum number of parts per upload
|Part size range
|5MiB to 4GiB. The last part can be 0 B to 5 GiB
|Maximum number of parts returned per list parts request
|Maximum number of objects returned per list objects request
|Maximum number of multipart uploads returned per list multipart uploads request
The table lists S3 API calls that are incompatible.
|This command does not list active multipart uploads using a bucket name. Add a prefix and the prefix value must be an object name to list the object multipart in the bucket.
|This command returns the bucket location, regardless of a Signature v4 region different from the S3 endpoint region.
|It returns an HTTP 204 message on successful execution instead of HTTP 200.
|Returns incorrect HTTP code if an object does not exist.
|The Entity tag (ETag) value of an object received in response does not match with AWS S3.
|Using "/" (slash) as a prefix to the source bucket returns a 403 error.For example, to copy the object logs/january.txt from bucket bucket1, use the header x-amz-copy-source path: bucket1/logs/january.txt instead of the x-amz-copy-source path: /bucket1/logs/january.txt.
|This command returns a content range of the first part number irrespective of the part number specified of the object.