On Mon, Mar 24, 2008 at 09:36:25AM -0500, Ryan Harper wrote: > * Cole Robinson <crobinso@xxxxxxxxxx> [2008-03-14 14:50]: > > The patch below adds an option to virt-install to auto choose > > physical cpu pinning based on available memory on a NUMA machine. > > Conceivably this could be expanded in the future to auto choose > > by some other metric as well, but for now only a NUMA setup is > > implemented. > > > > Using --cpuset=auto will create a traditional cpuset argument > > using all the cpus associated with the cell that best fits the > > requested guest memory. > > > > The only question I have for those interested: Is best fit an > > appropriate default choice? should there be a way to choose > > another scheme (i.e. worst fit)? > Cole, > > Thanks for the patch, looks good. I believe best fit is a good choice. > For our NUMA systems, we want to fully utilize a single node before > moving work to a second node as to minimize the amount of memory traffic > over the interconnects. Best-fit should do this by selecting cell with > the least amount of free ram that satisfies the request. > > What's the best RH-flavor'ed platform for testing this patch out? > Fedora8, RHEL5u1? You should be able to run the latest virtinst checkout on either F8 or RHEL-5.2 beta. Regards, Dan. -- |: Red Hat, Engineering, Boston -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :| _______________________________________________ et-mgmt-tools mailing list et-mgmt-tools@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/et-mgmt-tools
