The following sections detail the supported and unsupported APIs:
Supported S3 APIs
Table 1. Supported S3 APIsThe following table lists the supported S3 API methods:
Feature
Notes
GET Service
ECS supports marker and max-keys parameters to enable paging of bucket list.
GET /?marker=<bucket>&limit=<num>
For example:
GET /?marker=mybucket&limit=40
DELETE Bucket
-
DELETE Bucket cors
-
DELETE Bucket life cycle
Only the expiration part is supported in life cycle. Policies that are related to archiving (AWS Glacier) are not supported. Lifecycle is not supported on file system-enabled buckets.
DELETE Bucket policy
-
GET Bucket (List Objects)
For file system-enabled buckets,
/ is the only supported delimiter when listing objects in the bucket.
ECS returns the list results in UTF-16 binary order.
GET Bucket (List Objects) Version 2
For file system-enabled buckets,
/ is the only supported delimiter when listing objects in the bucket.
ECS returns the list results in UTF-16 binary order.
GET Bucket cors
-
GET Bucket acl
-
GET Bucket life cycle
Only the expiration part is supported in life cycle. Policies that are related to archiving (AWS Glacier) are not supported. Lifecycle is not supported on file system-enabled buckets.
Only the expiration part is supported in life cycle. Policies that are related to archiving (AWS Glacier) are not supported. Lifecycle is not supported on file system-enabled buckets.
PUT Bucket policy
Cannot configure the bucket policies for file system-enabled or CAS-enabled buckets. Cannot configure the bucket policies for operations that ECS does not support. More information about bucket policy support is provided in
Bucket policy support.
PUT Bucket versioning
-
DELETE Object
-
Delete Multiple Objects
-
GET Object
-
GET Object ACL
-
HEAD Object
-
PUT Object
Supports chunked
PUT
PUT Object acl
-
PUT Object - Copy
If the object size is greater than 5 GB, use
Upload Part - Copy instead of
PUT Object - Copy.
OPTIONS object
-
GET Object tagging
-
PUT Object tagging
-
DELETE Object tagging
-
Initiate Multipart Upload
-
Upload Part
-
Upload Part - Copy
-
Complete Multipart Upload
ECS returns an ETag of
00 for this request, which differs from the Amazon S3 response.
Abort Multipart Upload
-
List Parts
-
PUT Bucket Object Lock
-
GET Bucket Object Lock
-
PUT Bucket enable-object-lock
This is a custom API (not defined by S3)
PUT Object legal hold
-
GET Object legal hold
-
PUT Object retention
-
GET Object retention
-
NOTE:
Creation of buckets using names with fewer than three characters fails with
400 Bad Request, InvalidBucketName.
When creating a bucket or object with empty content, ECS returns
400 invalid content-length value, which differs from AWS which returns
400 Bad Request.
Copying an object to another bucket that indexes the same user metadata index key but with a different datatype is not supported and fails with
500 Server Error.
When listing the objects in a bucket, if you use a prefix and delimiter but supply an invalid marker, ECS throws 500 Server Error, or 400 Bad Request for a file system-enabled bucket. However, AWS returns 200 OK and the objects are not listed.
For versioning enabled buckets, ECS does not create a delete marker when a deleted object is deleted again. This is different from AWS, which always inserts delete marker for deleting deleted objects in versioning enabled buckets. This change in behavior is only applicable when the deleted object is deleted again from owner zone.
Table 2. Additional featuresThe table lists the additional features
PUT operation can be used to upload objects in chunks, which enable content to be sent before the total size of the payload is known. Chunked transfer uses the Transfer-Encoding header (Transfer-Encoding: chunked) to specify that content is transmitted in chunks.
Unsupported S3 APIs
Table 3. Unsupported S3 APIsThe following table lists the unsupported S3 API methods:
Feature
Notes
DELETE Bucket tagging
-
DELETE Bucket website
-
GET Bucket location
ECS is only aware of a single Virtual Data Center (VDC).
GET Bucket logging
-
GET Bucket notification
Notification is only defined for reduced redundancy feature in S3. ECS does not support notifications.
GET Bucket tagging
-
GET Bucket requestPayment
ECS uses its own model for payments.
GET Bucket website
-
PUT Bucket logging
-
PUT Bucket notification
Notification is only defined for the reduced redundancy feature in S3. ECS does not support notifications.
PUT Bucket tagging
-
PUT Bucket requestPayment
ECS uses its own model for payments.
PUT Bucket website
-
Object APIs
GET Object torrent
-
POST Object
-
POST Object restore
The POST Object restore operation is related to AWS Glacier, which is not supported in ECS.
SELECT Object Content
-
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