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

[Lukas Jirkovsky]

On Wed, Dec 4, 2013 at 12:08 PM, Maykel Franco <maykeldebian at gmail.com> 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:

Take a look at this article on LWN:
https://lwn.net/Articles/572911/

In short: it may be fixed by changing
"/proc/sys/vm/dirty_background_ratio" of even better
"/proc/sys/vm/dirty_background_bytes" to some reasonable small value.

Lukas