openstack team mailing list archive

[Leandro Reox <leandro.reox@xxxxxxxxx>]

Were pretty intrested too in large scale performance benchmarks. anyone?

regards
On Jul 24, 2012 10:22 PM, "Anne Gentle" <anne@xxxxxxxxxxxxx> wrote:

> I don't know if it will confirm or correlate with your findings, but
> do take a look at this blog post with benchmarks in one of the last
> sections:
>
> http://www.sebastien-han.fr/blog/2012/06/10/introducing-ceph-to-openstack/
>
> I'm trying to determine what parts should go into the OpenStack
> documentation, please let me know if the post is useful to you in your
> setting and what sections are most valuable.
> Thanks,
> Anne
>
>
> On Tue, Jul 24, 2012 at 6:08 PM, Josh Durgin <josh.durgin@xxxxxxxxxxx>
> wrote:
> > On 07/23/2012 08:24 PM, Jonathan Proulx wrote:
> >>
> >> Hi All,
> >>
> >> I've been looking at Ceph as a storage back end.  I'm running a
> >> research cluster and while people need to use it and want it 24x7 I
> >> don't need as many nines as a commercial customer facing service does
> >> so I think I'm OK with the current maturity level as far as that goes,
> >> but I have less of a sense of how far along performance is.
> >>
> >> My OpenStack deployment is 768 cores across 64 physical hosts which
> >> I'd like to double in the next 12 months.  What it's used for is
> >> widely varying and hard to classify some uses are hundreds of tiny
> >> nodes others are looking to monopolize the biggest physical system
> >> they can get.  I think most really heavy IO currently goes to our NAS
> >> servers rather than through nova-volumes but that could change.
> >>
> >> Anyone using ceph at that scale (or preferably larger)?  Does it keep
> >> up if you keep throwing hardware at it?  My proof of concept ceph
> >> cluster on crappy salvaged hardware has proved the concept to me but
> >> has (unsurprisingly) crappy salvaged performance. Trying to get a
> >> sense of what performance expectations I should have given decent
> >> hardware before I decide if I should buy decent hardware for it...
> >>
> >> Thanks,
> >> -Jon
> >
> >
> > Hi Jon,
> >
> > You might be interested in Jim Schutt's numbers on better hardware:
> >
> > http://comments.gmane.org/gmane.comp.file-systems.ceph.devel/7487
> >
> > You'll probably get more response on the ceph mailing list though.
> >
> > Josh
> >
> >
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