Greg, are they going to be a part of the next stable release? Cheers ----- Original Message -----
> From: "Gregory Farnum" <[email protected]> > To: "Andrei Mikhailovsky" <[email protected]> > Cc: "Timur Nurlygayanov" <[email protected]>, "ceph-users" > <[email protected]> > Sent: Wednesday, 1 October, 2014 3:04:51 PM > Subject: Re: [ceph-users] Why performance of benchmarks with small > blocks is extremely small? > On Wed, Oct 1, 2014 at 5:24 AM, Andrei Mikhailovsky > <[email protected]> wrote: > > Timur, > > > > As far as I know, the latest master has a number of improvements > > for ssd > > disks. If you check the mailing list discussion from a couple of > > weeks back, > > you can see that the latest stable firefly is not that well > > optimised for > > ssd drives and IO is limited. However changes are being made to > > address > > that. > > > > I am well surprised that you can get 10K IOps as in my tests I was > > not > > getting over 3K IOPs on the ssd disks which are capable of doing > > 90K IOps. > > > > P.S. does anyone know if the ssd optimisation code will be added to > > the next > > maintenance release of firefly? > Not a chance. The changes enabling that improved throughput are very > invasive and sprinkled all over the OSD; they aren't the sort of > thing > that one does backport or that one could put on top of a stable > release for any meaningful definition of "stable". :) > -Greg > Software Engineer #42 @ http://inktank.com | http://ceph.com
_______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
