Open Stack

On 06/20/2012 08:09 PM, Huang Zhiteng wrote:
> On Thu, Jun 21, 2012 at 12:36 AM, Rick Jones<rick.jones2 at hp.com>  wrote:
>> I do not have numbers I can share, but do have an interest in discussing
>> methodology for evaluating "scaling"  particularly as regards to
>> "networking."  My initial thoughts are simply starting with what I have done
>> for "network scaling"  on SMP systems (as vaguely instantiated in the likes
>> of the runemomniaggdemo.sh script under
>> http://www.netperf.org/svn/netperf2/trunk/doc/examples/ ) though expanding
>> it by adding more and more VMs/hypervisors etc as one goes.
>
> By 'network scaling', do you mean the aggregated throughput
> (bandwidth, packets/sec) of the entire cloud (or part of it)? I think
> picking up 'netperf' as micro benchmark is just 1st step, there's more
> work needs to be done.

Indeed. A great deal more.

> For OpenStack network, there's 'inter-cloud' and
> 'cloud-to-external-world' throughput.  If we care about the
> performance for end user, then reason numbers (for network scaling)
> should be captured inside VM instances.  For example, spawn 1,000 VM
> instances across cloud, then pair them to do 'netperf' tests in
> order to measure 'inter-cloud' network throughput.

That would certainly be an interesting test yes.

rick jones