Transfer Manager Directory Support for AWS SDK for Ruby | AWS Developer Tools Blog

27-Mar-2026 266
Managing bulk file transfer to Amazon Simple Storage Service (Amazon S3) can be complex when transferring directories containing multiple files and subdirectories. AWS SDK for Ruby Transfer Manager (aws-sdk-s3 version 1.215) now supports directory upload and download. This feature can help streamline bulk transfers by providing multipart handling and parallelism options. Previously, uploading directories to Amazon S3 required manual iteration and handling. You also had to manage multipart uploads for large files and implement parallelism for performance. With directory support in Transfer Manager, you can handle this with a single method call that automates the process. In this post, we show you how to upload and download directories using Transfer Manager, customize transfer with filtering options and handle results effectively.
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