Hi Rima, What precisely do you mean by QoS values? Are you talking about the responsiveness of an API service? That is not something that you can directly derive from the instance-level metrics such as CPU util & network IOPs that ceilometer collects. Cheers, Eoghan ----- Original Message ----- > Hello everyone, > > Please what are the formulas which can do the mappings from low levels > metrics ( extracted from ceilometer ) to the QoS values. > I know how to calculate the response time of a service from the values > bandwith , inbytes ...... > > Are you aware of other formulas for other values of QoS . > > Thank you > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >