[arch-general] system slowing down when copying files.

[Jari Vetoniemi]

Use BFQ or operationally noop. CFQ IO scheduler tends to do this. Even for me.

2011/8/27 Ray Rashif <schiv at archlinux.org>:
> On 27 August 2011 12:34, Madhurya Kakati <mkakati2805 at gmail.com> wrote:
>> On Sat, Aug 27, 2011 at 6:49 AM, Loui Chang <louipc.ist at gmail.com> 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
>