Use BFQ or operationally noop. CFQ IO scheduler tends to do this. Even for me. 2011/8/27 Ray Rashif <schiv@xxxxxxxxxxxxx>: > On 27 August 2011 12:34, Madhurya Kakati <mkakati2805@xxxxxxxxx> wrote: >> On Sat, Aug 27, 2011 at 6:49 AM, Loui Chang <louipc.ist@xxxxxxxxx> wrote: >>> On Sat 27 Aug 2011 09:12 +0530, Madhurya Kakati wrote: >>>> Hi, >>>> My system tends to slow down a lot when I copy files to and from a pen >>>> drive or even from one hard disk to another. Even my mouse cursor >>>> slows down. The system becomes almost unusable. I more than enough RAM >>>> and I am using a tiling window manager. So I am not even using a lot >>>> of RAM. Why is this happening? I can't work on my system if I run any >>>> large file copy/move operation. Please help. >>>> Thanks. >>> >>> Your hard drive might be dying. Back up your files now. >>> >>> >> >> Seriously? This doesn't happen in Windows 7. Also when I copy files >> from my new HDD to a pendrive my system still slows down. The new HDD >> is less than a month old. > > This is a scheduler bottleneck, and AFAICR, a Linux deficiency that > Con Kolivas trie(s|d) to improve with the BFS. From personal > experience, BFS was much, much better, to the point that there was no > noticeable slow-down. > > > -- > GPG/PGP ID: 8AADBB10 >
