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

[Gerardo Exequiel Pozzi]

On 08/27/2011 12:42 AM, 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.
>
If you have 1GiB or more of RAM, one cause in recent kernels can be 
transparent hugepages. Disable it from boot with 
transparent_hugepage=never on kernel cmd param.
Maybe this is fixed in newer 3.0, I do not know, I still have disable, 
some day I will test again if was improved.

-- 
Gerardo Exequiel Pozzi
\cos^2\alpha + \sin^2\alpha = 1