I copied about 10 GiB data from my hard drive to a USB3.0 flash drive. Much to my surprise the system started freezing, songs playback became interrupted, etc. Eventually I had to wait until the copying process finished.
Well, something like that is simply unacceptable if you have 8-core i7 processor, 8 GiB RAM and SSD.
What I did was:
1 2 3
After applying these changes CPU load dropped from 6 to 3 and system was fast
and responsive. To make that changes persistent add the lines below to
1 2 3
Maybe it’s already fixed in current kernel, I don’t know. I’m running OpenSUSE 13.1 with 3.11.10-7-desktop kernel.