On Wed, 13 Feb 2013, Stefan Priebe - Profihost AG wrote: > Hi, > Am 12.02.2013 21:45, schrieb Andrey Korolyov: > > you may be interested in throttle(1) as a side solution with stdout > > export option. > What's throttle? Never seen this. Wouldn't it be possible to use tc? > > > By the way, on which interconnect you have manage to > > get such speeds, > Bonded Intel 2x 10GBE > > > if you mean 'commited' bytes(e.g. not almost empty > > allocated image)? > Yes commited images. FWIW I'm pretty sure the rbd export is doing a single IO at a time (reading one chunk, 4MB by default). Are there lots of them in parallel, or is a single export operation significantly affecting performance? That would be a bit surprising to me.. sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html