Ritesh Raj Sarraf, on Mon 08 Feb 2016 23:33:53 +0530, wrote: > On Mon, 2016-02-08 at 23:24 +0530, Ritesh Raj Sarraf wrote: > > In today's upgrade, 2 observations I have that I'd like to share. > > > > 1) I'm using the rtl8139 network driver emulated with qemu. I fetched > > some data (around 200 MiB) over the network from the host (Linux) > > machine. The network speed I got was average 250 KiB/Sec > > And I think part of the reason may be the emulation. Especially for the > block device, when you do I/O, the CPU usage is persistently 100%.
That's way too much. On my laptop (nothing fancy, just a Core i5), I typically get 15MB/s transfers. Again, do you really have KVM enabled? Samuel

