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On 13 August 2014 17:23, Ian Wienand <iwienand at redhat.com> wrote:
> Hi,
>
> I'm looking at Sean's change to run more of tempest on F20 [1].  To
> test it I'm using [2] -- it has shown is that tempest on F20 is *way*
> slower than on Ubuntu, to the point it times out.
>
> I compared logs from [3] & [4] to come up with a comparison [5],
> e.g. SecurityGroupsTestXML.test_server_security_groups goes from 28
> seconds to 315 seconds (interestingly, it also showed up a bug that
> Ubuntu isn't preparing the images for boto tests [6]).
>
> I feel this has got to be due to some combination of nested virt v
> binary translation.  Before I waste too much time, I thought I'd check
> with the experts for any thoughts?  Is this a known issue?

TTBOMK we don't use nested virt anywhere, since stability issues with
it lead public clouds to disable it across the board... locking up a
hypervisor is a terrible DOS.

-Rob

-- 
Robert Collins <rbtcollins at hp.com>
Distinguished Technologist
HP Converged Cloud