Thanks.
/Sorin
On Mon, 07 Jun 2010 12:13:31 -0400, Boaz Harrosh <bharrosh@xxxxxxxxxxx>
wrote:
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
--
Best Regards
Sorin Faibish
Corporate Distinguished Engineer
Network Storage Group
EMC²
where information lives
Phone: 508-435-1000 x 48545
Cellphone: 617-510-0422
Email : sfaibish@xxxxxxx
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