On Oct 30, 2012, at 7:01 PM, Huang Zhiteng <[email protected]> wrote:
> I'd suggest the same ratio too. But besides memory overcommitment, I > suspect this issue is also related to how KVM do memory allocation (it > doesn't do actual allocation of the entire memory for guest when > booting). I've seen compute node reported more memory than it should > have (e.g. 4G node has two 1GB instances running but still report >3GB > free memory) because libvirt driver calculates free memory simply > based on /proc/meminfo, which doesn't reflect how many memory guests > are intended to use. Ah interesting, if this is true then this is a bug we should try to fix. I was under the impression that it allocated all of the memory unless you were using virtio_balloon, but I haven't verified. Vish _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : [email protected] Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
