On 06/07/2010 07:07 PM, Boaz Harrosh wrote: > On 06/07/2010 06:24 PM, sfaibish wrote: >> Boaz, >> >> You were mentioning some preliminary performance on NFS4.1 and pNFS during >> the pNFS call few weeks back. I thought you put them in an email but I >> couldn't >> find that email. Could you re-send it to me or summarize the results in a >> new >> email for comparison to the block layout performance. Bruce is also >> interested >> so I CC him as well. Thanks >> >> /Sorin >> > > I did not yet publish the Document. It's stuck behind my dis-talent for > writing and the pnfs bugs de jur. > > Basically all machines: > - connected by a 1 GBit link. > - All clients doing a dd write of 8GB file from /dev/zero > - 3of8 is the special raid-groups arrangement of exofs && objlayout > where out of 8 devices each file is striped over 3 devices in a > round robin fashion. (*With a small dirty trick) > - All tests over an *empty* filesystem. > [single client] > 1 - osds 40MB > 2 - osds 80MB > 4 - osds 114MB (saturation point of the 1 Gbit link) > 8 - osds 114MB > > [2 clients 8of8 osds] > 226 MBs > > [4 clients 8of8 osds] > 263 MBs > > [8 clients 8of8 osds] > 252 MBs > > [1 clients 3of8 osds] > 114 MBs > > [2 clients 3of8 osds *] > 226 MBs > > [4 clients 3of8 osds *] > 417 MBs > > [8 clients 3of8 osds] > 405 MBs > > Boaz > -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
