search for: gcqe5affn

...gt; > And it doesn't do that in any other process on the host? It looks like > it's not related to virtualisation... > > Hi, I changed from vmdk to raw and the Write performance went from 1.6 MB/s to ~100 MB/s Is vmdk write performance so bad? Result: http://postimg.org/image/gcqe5affn/ -- john

...! Of course raw will be faster but by 2 orders of magnitude? That seems unreasonably much more than it should be. >Is vmdk write performance so bad? > I can't say, I wouldn't even expect that -- that's why I didn't even suggest it. >Result: >http://postimg.org/image/gcqe5affn/ > It would be worth asking on qemu-devel, so I'm adding them Cc. Question is, was that something wrong with the initial setup that hindered the performance of the machine or is it just that vmdk performace is bad? What could we check so that we can hint users in a better direction perform...

2016-02-18 11:25 GMT+01:00 Martin Kletzander <mkletzan@redhat.com>: > On Thu, Feb 18, 2016 at 10:41:42AM +0100, John Obaterspok wrote: > >> 2016-02-18 10:13 GMT+01:00 Martin Kletzander <mkletzan@redhat.com>: >> >> On Thu, Feb 18, 2016 at 08:49:38AM +0100, John Obaterspok wrote: >>> >>> Hello, >>>> >>>> I'm using