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The table lists the limitations of buckets, objects, service accounts and permissions and their associated actions.
Item | Specification |
---|---|
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 | no-limit |
Maximum object size (multipart upload) | 5 TiB |
Minimum object size | 0 B |
Maximum object size per PUT operation | 5 GiB |
Maximum length for bucket names | 63 |
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.
Item | Specification |
---|---|
Maximum number of parts per upload | 10,000 |
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 | 10,000 |
Maximum number of objects returned per list objects request | 1,000 |
Maximum number of multipart uploads returned per list multipart uploads request | 1,000 |
The table lists S3 API calls that are incompatible.
S3 API | Description |
---|---|
ListMultipartUploads |
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. |
GetBucketLocation |
This command returns the bucket location, regardless of a Signature v4 region different from the S3 endpoint region. |
ListBuckets |
|
ListObjectsV2 |
|
PutObjectRetention |
It returns an HTTP 204 message on successful execution instead of HTTP 200. |
HeadObject |
Returns incorrect HTTP code if an object does not exist. |
CompleteMultipartUpload |
The Entity tag (ETag) value of an object received in response does not match with AWS S3. |
Putobject |
|
UploadPartCopy |
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. |
GetObject |
This command returns a content range of the first part number irrespective of the part number specified of the object. |