On Fri, Jun 10, 2011 at 02:30:46PM +0200, Thomas Sailer wrote: > On Fri, 2011-06-10 at 10:24 +0200, Tomasz Torcz wrote: > > > - it's memory deduplication reimplements what already in-kernel (for the > > sake of cross platform) > > Kernel deduplication runs amok on my machine. When I have two guests, > one Windows, one Rawhide, running under kvm/qemu, kernel deduplication > uses up one CPU core. For no benefit, I suspect there isn't much to > deduplicate between Windows and Rawhide. There's a bug for these issues (no resolution though): https://bugzilla.redhat.com/show_bug.cgi?id=541230 Originally I had ksmd turned off, but since ~ Fedora 14 I've not had any trouble with it at all. It's also worth noting that there are lots of knobs to tune KSM in /etc/ksmtuned.conf. More information is here: http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization/chap-KSM.html Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://et.redhat.com/~rjones/virt-top -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
