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Date: Mon, 07 Jun 2010 21:43:58 +0300
From: Boaz Harrosh <bharrosh@panasas.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
CC: sfaibish <sfaibish@emc.com>, NFS list <linux-nfs@vger.kernel.org>
Subject: Re: Performance results with exofs
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On 06/07/2010 09:29 PM, J. Bruce Fields wrote:
>>>> [4 clients 3of8 osds *]
>>>> 417 MBs
> 
> If each osd has a single gigabit interface, and you're striping to 3, of
> them, isn't that 417/3 == 139 MB/s each?
> 
> (Oh, I see: you must be writing to a different file from each client,
> hence you are using all osd's even if each client is only using 3?)
> 

Right and that little trick from the previous email ;-)

Boaz
> --b.
> 
>>>>
>>>> [8 clients 3of8 osds]
>>>> 405 MBs