Clayton wrote:
Your missing my point... downloading several files in parallel off of the same server IS SLOWER because you introduce a TREMENDOUS overhead of bouncing the read/write head all over the place. Hmm. It seems like experience of someone running OS from the swap. Buying more RAM, can reduce hard disk activity.
Doesn't Smart download in parallel (both when updating the repositories and when downloading RPMs)? It sure seems like it does on my computer... and I certainly do not have any problems with a read write head bouncing all over the place. I download multiple files at the same time with BitTorrent... no problems. I download multiple
Bit torrent seeks out NUMEROUS servers grab parts of each file (in no particular order even). Bit Torrent is the complete OPPOSITE of downloading multiple files from a SINGLE server's hard drive (or striped RAID)
files at the same time via my web browser... no problems. I thought the whole point of a multitasking OS was to do things in parallel... not serially.... including downloads.
Yes, there IS that point...but it ONLY WORKS when the resources are in parallel ***OR*** the non-duplicated resources have less than a 50% duty-cycle in single tasking. During downloads of files residing on the same filesystem from a single server, NEITHER condition is met, and so in that instance, attempts at parallelization actually hinder performance. Remember, all computers are physical devices. If you fail to do an analysis of what is happening at the physical level, then your analysis is likely to be the complete opposite of reality. This is especially true concerning any operation involving disk drives. -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org