Open Stack

On Wed, Sep 18, 2013 at 8:14 AM, Thierry Carrez <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)
>
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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.

Thanks,
John
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