[arch-general] Fwd: Notebook freeze and slow when copy big files to external usb

[Jakub Klinkovský]

On 04.12.13 at 12:08, Maykel Franco wrote:
> Hi, I when I make a copy of a large file to a 2GB or 8GB usb 3.0
> external hard drive, I notice that arch remains slow, frozen ... He
> struggles to open windows are minimized. I have the kernel:
> 
> 3.12.2-1-ARCH
> 
> Update the whole system to the last. Can you think because it can be?
> 
> I also went from the 3.11 kernel
> 
> However, debian, ubuntu, opensuse me not pass this ...
> 
> It's happened to someone else?
> 
> Thanks for everything.

See ArchWiki:
https://wiki.archlinux.org/index.php/Maximizing_Performance#Tuning_kernel_parameters

Even USB 3 is slow compared to RAM...

See also this article on LWN for more information:
http://lwn.net/Articles/572911/
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