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.
Best,
-jay
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