boto/boto — pull request #1123 by mraposa (2012-11-20 13:48:27+00:00)
Title: Added concurrent archive downloader to glacier

Created a ConcurrentDownloader class for AWS Glacier. New class downloads archives using multiple threads to simultaneously download different parts of the glacier archive. New class is based on the existing ConcurrentUploader class in glacier\concurrent.py

5x speed improvement over existing BOTO Archive Downloader.