Uploading an Archive in a Single Operation - Amazon S3 Glacier
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

If you're new to archival storage in Amazon Simple Storage Service (Amazon S3), we recommend that you start by learning more about the S3 Glacier storage classes in Amazon S3, S3 Glacier Instant Retrieval, S3 Glacier Flexible Retrieval, and S3 Glacier Deep Archive. For more information, see S3 Glacier storage classes and Storage classes for archiving objects in the Amazon S3 User Guide.

Uploading an Archive in a Single Operation

As described in Uploading an Archive in Amazon S3 Glacier, you can upload smaller archives in a single operation. However, we encourage Amazon S3 Glacier (S3 Glacier) customers to use Multipart Upload to upload archives greater than 100 MB.