On 06/04/2012 09:26 AM, Stefan Priebe - Profihost AG wrote: > Am 04.06.2012 08:22, schrieb Hannes Reinecke: >> Hehe. >> Good luck with that. >> >> We've tried on 10GigE with _disastrous_ results. >> Up to the point where 1GigE was actually _faster_. > > So you mean you've tried 10GBE or 10GB ipoib with Infiniband? > >> - osd-server is calling 'fsync' on each and every write request. >> Does wonders for performance ... > Already talked to the ceph guys? > Still not there yet. Still need to figure out the exact details; performance regressions are notoriously hard to track. But yeah, rumours have it we are in contact. Project management on our side could be improved, though ;) Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage hare@xxxxxxx +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg) -- 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
