Open Stack

On Mon, Jan 6, 2014 at 9:37 AM, Jay Pipes <jaypipes at gmail.com> wrote:

> On Mon, 2014-01-06 at 08:58 -0800, Joe Gordon wrote:
>
> > On Mon, Jan 6, 2014 at 8:38 AM, Jay Pipes <jaypipes at gmail.com> wrote:
> >         On Mon, 2014-01-06 at 17:04 +0100, Salvatore Orlando wrote:
> >         > I have already discussed the matter with Jay on IRC, even if
> >         for a
> >         > different issue.
> >         > In this specific case 'batching' will have the benefit of
> >         reducing the
> >         > rootwrap overhead.
> >
> >
> >         Right.
> >
> >         > However, it seems the benefit from batching is not
> >         resolutive. I admit
> >         > I have not run tests in the gate with batching; I've just
> >         tested in an
> >         > environment without significant load, obtaining a
> >         performance increase
> >         > of less than 10%.
> >
> >
> >         Well, 10% is 10% better than nothing ;) And add in the
> >         (significant)
> >         rootwrap costs, and I think it's certainly worth looking into.
> >
> > Have you tried running neutron without rootwrap, to get a baseline?
>
> See:
>
> http://blog.gridcentric.com/bid/318277/Boosting-OpenStack-s-Parallel-Performance
>
> Specifically the section titled "Disable rootwrap scripts",
>
>

What about it? Also those numbers are pretty old at this point. I was
thinking disable rootwrap and run full parallel tempest against it.



> Best,
> -jay
>
>
>
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