Thank you so much for your reply. When it comes to point 3, I was thinking more along the lines to spread the uploads out per file and not break down the files. If uploading three large video files each file could be uploaded to their separate "node" behind the loadbalancer. Just thought that could be pretty efficient. Would also enable scalability on a whole new level without requiring any downtime or even code updating. Just cloning one of the nodes, add to the loadbalancer and voilá, done.
It's absolutely no stress with the multiple upload part, but might there be a way to have a progress bar with the current upload functionality? I didn't really understand if the upload handler could be used for this or not?
Thank you once again for your impressive libraries. Most generous of you to share with the community in this way!