On Tue, Feb 10, 2015 at 1:01 AM, Manuel Schneider <manuel.schneider@wikimedia.ch> wrote:

yes, uploading on Commons for files > 100 MB is not easy. A modern
browser supporting chunked uploads using the new Commons upload wizard
supports up to 1 GB.

Uploading of 100+M files with Upload Wizard was broken for a short while, should be working again now. https://phabricator.wikimedia.org/T89018 has the details.