Open Stack

On 09/18/2013 10:34 AM, John Griffith wrote:
> 
> 
> 
> On Wed, Sep 18, 2013 at 8:14 AM, Thierry Carrez <thierry at openstack.org
> <mailto:thierry at openstack.org>> wrote:
> 
>     Mike Perez wrote:
>     > Currently in Havana development, RBD as ephemeral storage has serious
>     > stability
>     > and performance issues that makes the Ceph cluster a bottleneck
>     for using an
>     > image as a source.
>     > [...]
> 
>     This comes up a bit late, and the current RC bugs curves[1] really do
>     not encourage me to add more distraction for core reviewers.
> 
>     The only way I could be fine with this would be for the performance
>     issue to actually be considered a bug (being so slow you can't really
>     use it without the fix), *and* the review being very advanced and
>     consensual that the distraction is minimal.
> 
>     Could you quantify the performance issue, and address Zhi Yan Liu's
>     comments ?
> 
>     --
>     Thierry Carrez (ttx)
> 
>     _______________________________________________
>     OpenStack-dev mailing list
>     OpenStack-dev at lists.openstack.org
>     <mailto:OpenStack-dev at lists.openstack.org>
>     http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> 
> 
> I have to say that this seems EXTREMELY late to be raising as an issue
> now.  I also have to say that I don't see that this would be that
> critical as it's something that's never been raised up until this point.
>  If it were a reported issue that we just never got around to addressing
> that might be different.
> 
> As Thierry pointed out the bug trajectory is not quite what we want yet
> anyway, so reworking a feature that "works" but just doesn't work as
> efficiently as it could/should doesn't seem like it meets the
> requirements for an FFE at all.  All of these things combined with how
> late the request is it seems to me like it's pretty difficult to
> consider this for Havana.

Agreed with all the points here.

We're adding bugs to the RC1 list for Nova faster than fixing them right
now, so I don't think we can afford exceptions unless we really have to.

I hate it though, because I definitely see how this could be very
useful.  It's just bad timing.

-- 
Russell Bryant