So, before anyone jumps on me about why SAB does not simultaneously download queue items, I know. My thought here is not torrent style bandwidth saturation. Rather a small issue that sometimes bottlenecks my downloads.
This is the situation, I have Download 1, and I have servers A and B. A is my primary while B is my backup. A allows me to fully saturate my connection at any time. B is quite slow. In most cases 1 or 2 articles that have to be downloaded from B and that takes about the same time as the rest download from A. So no noticeable slow down. However, if more than about 25% of a download is not available on A then All of A articles are done before B. So the download gets slowed down for that last portion by a huge margin. 1200 down to 69.
My request would be, when server A is done with download 1 have it continue on to download 2 while Server B finishes Download 1. Server B would need bandwidth priority. This would keep my overall download speed at the max. My case is extreme but I could see this affecting others to varying degrees.