Thanks a lot Eoghan for your detailed response. I have enabled instance usage auditing in my nova.conf <http://pastebin.ubuntu.com/5887592/>. Is there anyway I could get these meters(memory and disk utilization) for VM's provisioned using OpenStack?
Thanks for your efforts. On Thu, Jul 18, 2013 at 4:57 PM, Eoghan Glynn <egl...@redhat.com> wrote: > > Hey Jobin, > > Thanks for your perceptive question. > > The reason is that the conduits for gathering CPU metering and memory > metering are quite different in ceilometer currently: > > * cpu/cpu_util are derived by polling the libvirt daemon > > * memory is derived from the "compute.instance.exists" notification > sent by nova > > (This is the pollster versus notification-handler dichotomy you'll > see throughout ceilometer). > > The reason you're not seeing the memory meter being collected is > probably because you don't have instance usage auditing enabled in > your nova config (see the "Configure nova" section in [1]). > > However, be warned that this meter is probably not the memory > utilization statistic that you're expecting. Rather it's likely to > be a static value reflecting the quantum of memory allocated by the > hypervisor to the instance (as opposed to the sort of number you'd > see when running "free -m" on the instance). > > I'm looking into adding support for more useful memory utilization > metering (that could for example drive autoscaling logic), but this > will require usage of an upcoming release of libvirt. > > Cheers, > Eoghan > > [1] http://docs.openstack.org/developer/ceilometer/install/manual.html > > > > > Hey! > > > > > > > > > > > > I am running openstack on an Ubuntu 12.04 desktop 64-bit virtual > machine. I > > am trying to use ceilometer to get the CPU and memory utilization from my > > compute node on a KVM host which has a few VM's running on it. > > > > However, this is the list of meters I get from ceilometer: > > > > cpu, cpu_util, disk.read.bytes, disk.write.bytes, disk.read.requests, > > disk.write.requests, image, image.size, image.download, instance, > > instance:m1.small, network.incoming.bytes, network.outgoing.bytes, > > network.incoming.packets, network.outgoing.packets > > > > > > > > > > > > Why am I not getting memory usage meters? I don't see the logs to have > any > > interpretation of this. Here is my ceilometer config file . > > > > -- > > > > > > > > > > > > > > > > > > > > > > > > > > Thanks and regards, > > > > Jobin Raju George > > > > Third Year, Information Technology > > > > College of Engineering Pune > > > > Alternate e-mail: georgejr10...@coep.ac.in > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > Mailing list: https://launchpad.net/~openstack > > Post to : openstack@lists.launchpad.net > > Unsubscribe : https://launchpad.net/~openstack > > More help : https://help.launchpad.net/ListHelp > > > -- Thanks and regards, Jobin Raju George Third Year, Information Technology College of Engineering Pune Alternate e-mail: georgejr10...@coep.ac.in
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