[Openstack] Poor instance network performance

Rick Jones rick.jones2 at hpe.com
Fri Dec 18 16:40:20 UTC 2015


On 12/17/2015 11:47 AM, Satish Patel wrote:
> Thanks for response,
>
> Yes if i ping from remote machine to that VM i am getting timeout at
> some interval.
>
> My application is CPU intensive, it is not doing any disk operation,
> actually this application is base on VoIP. so pure RTP traffic flowing
> on network. small UDP packets.

Well, something is causing top to report a vCPU at 75% wait time.  If it 
isn't storage I/O, then perhaps something else.

You might look at the top output for the compute node hosting that VM 
and see what that reports while all this is going-on.

happy benchmarking,

rick jones




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