CONTAP-233582: ONTAPS3 needs to support zero byte upload in upload-part
Issue
ONTAP S3 does not support zero-byte upload in upload-part. This can result in errors such as:
- Service Unavailable or Invalid Argument to be returned to applications such as Elasticsearch Repository analysis API.
- Folder uploads (with multiple files) failing
Response code: 503
<?xml version="1.0" encoding="UTF-8"?><Error><Code>ServiceUnavailable</Code><Message>Reduce your request rate.</Message><Resource>/bucket</Resource><RequestId>384279727</RequestId></Error>