On 03/28/2011 03:43 AM, Cédric Girard wrote: > On Mon, Mar 28, 2011 at 11:07 AM, Oon-Ee Ng <ngoonee.talk@xxxxxxxxx> wrote: > >> If you have 10 files to download, powerpill allows for 1 file from >> mirror A, another from mirror B, and chunks of that large 68MB file >> from mirrors C, D, and E at the same time. >> >> With the other solutions, you'd still wait for file 1 to finish >> downloading before downloading file 2. >> > I understand this as being more flexible. But bandwith-wise, I do not see > why the Powerpill solution is more efficient. > Or maybe this come useful only when downloading small files where file > content transfert itself is negligible compared to connection opening and > other protocol handling... > For me the benefit came in two parts: * When you download a bunch of small files, most of your "download time" is actually just starting connections. Powerpill starts a bunch of connections at once so you can actually use your bandwidth. * A lot of Arch's mirrors are really slow. Powerpill lets you not worry about the speed of individual mirrors, because it's only their combined speed that matters.