What Is Etag S3
Each File on S3 Gets an Etag, Which Is Essentially the Md5 Checksum of That File. Comparing Md5 Hashes Is Really Simple but Amazon Calculates the Checksum...
Each file on S3 gets an ETag, which is essentially the md5 checksum of that file. Comparing md5 hashes is really simple but Amazon calculates the checksum differently if you’ve used the multipart upload feature.
What is S3 value?
S3 provides tools for uploading large objects in parts and migrating big data into storage. AWS S3 is a key-value store, one of the major categories of NoSQL databases used for accumulating voluminous, mutating, unstructured, or semistructured data.
You can associate up to 10 tags with an object. Tags associated with an object must have unique tag keys.