On Wed, Mar 15, 2017 at 09:53:02AM -0600, Jan Beulich wrote: > >>> On 15.03.17 at 16:43, <alan.robin...@ts.fujitsu.com> wrote: ... > > We have seen something similar being caused by the superpage > > attribute getting dropped when the domU was migrated. The new > > copy of the domU only has 4K pages instead of 2MB pages eventually > > this would seem to fit your memory access sysbench results. > > That would be an explanation for HVM, but here we consider PV only. > And whether a HVM guest can be re-created using large pages > mainly depends on how fragmented the destination host memory is. >
Yes indeed - sorry for the HVM noise.. Alan -- Alan Robinson Principal Developer, Enterprise Platform Services, Germany Fujitsu Mies-van-der-Rohe-Str. 8, 80807 Muenchen, Deutschland Tel.: +49 (89) 62060 3927 Mob.: +49 (172) 8512843 E-Mail: alan.robin...@ts.fujitsu.com Web: http://www.fujitsu.com/de/ _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
