Re: [Qemu-devel] question about performance of dataplane

2013-04-09 Thread Stefan Hajnoczi
On Mon, Apr 08, 2013 at 01:01:53PM +, Zhangleiqiang wrote: > I guess maybe the non-dataplane already reached the physical disk's IOPS > upper limit in the scenario above so that data plane didn't make a difference? Yes. Stefan

Re: [Qemu-devel] question about performance of dataplane

2013-04-08 Thread Zhangleiqiang
> -Original Message- > From: Stefan Hajnoczi [mailto:stefa...@gmail.com] > Sent: Monday, April 08, 2013 7:09 PM > > On Sun, Apr 07, 2013 at 09:05:47AM -0500, Anthony Liguori wrote: > > Zhangleiqiang writes: > > > > > 1. Environment: > > > a). Qemu 1.4 master branch > > > b). kernel:

Re: [Qemu-devel] question about performance of dataplane

2013-04-08 Thread Stefan Hajnoczi
On Sun, Apr 07, 2013 at 09:05:47AM -0500, Anthony Liguori wrote: > Zhangleiqiang writes: > > > Hi, Stefan: > > > > I have done some testing to compare the performance of dataplane and > > non-dataplane. But the result did not meet my expectations, the > > performance of disk with dataplane

Re: [Qemu-devel] question about performance of dataplane

2013-04-07 Thread Anthony Liguori
Zhangleiqiang writes: > Hi, Stefan: > > I have done some testing to compare the performance of dataplane and > non-dataplane. But the result did not meet my expectations, the performance > of disk with dataplane enabled did not have advantage over non-dataplane. > > The following

[Qemu-devel] question about performance of dataplane

2013-04-01 Thread Zhangleiqiang
Hi, Stefan: I have done some testing to compare the performance of dataplane and non-dataplane. But the result did not meet my expectations, the performance of disk with dataplane enabled did not have advantage over non-dataplane. The following contains the environment info