[openstack-dev] [neutron] Some findings while profiling instances boot

Jay Pipes jaypipes at gmail.com
Wed Feb 15 20:25:26 UTC 2017

On 02/15/2017 12:46 PM, Daniel Alvarez Sanchez wrote:
> Hi there,
> We're trying to figure out why, sometimes, rpc_loop takes over 10
> seconds to process an iteration when booting instances. So we deployed
> devstack on a 8GB, 4vCPU VM and did some profiling on the following command:
> nova boot --flavor m1.nano --image cirros-0.3.4-x86_64-uec --nic
> net-name=private --min-count 8 instance

Hi Daniel, thanks for posting the information here. Quick request of 
you, though... can you try re-running the test but doing 8 separate 
calls to nova boot instead of using the --min-count 8 parameter? I'm 
curious to see if you notice any difference in contention/performance.


More information about the OpenStack-dev mailing list