Re: Performance results with exofs

Boaz Harrosh
2010-06-07T17:29:47Z

Show me yours and I'll show you mine, ...! ;-)

Boaz

On 06/07/2010 08:28 PM, sfaibish wrote:
> Thanks.
>
> /Sorin
>
> On Mon, 07 Jun 2010 12:13:31 -0400, Boaz Harrosh <bharrosh@panasas.com>
> 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
>>>
>>
>>
>>
>
>
>