[Beowulf] Network Filesystems performance

Glen Dosey doseyg at r-networks.net
Thu Aug 23 15:15:45 EDT 2007


I am using the async flag. I'm also using the Infiniband now instead of
the GigE and I've increased my default TCP window up to 6MB. None of it
makes a difference. It's still around 40MB/s.

Thanks for the thought.


On Thu, 2007-08-23 at 15:11 -0400, Jeff Blasius wrote:
> Yes.
> 
> Just a shot in the dark, but are you using the async flag in your nfs
> export options? Can you bond your ethernet ports for a quick win?
> 
> Thanks,
>              jeff
> 
> On 8/23/07, Glen Dosey <doseyg at r-networks.net> wrote:
> > Perhaps I should just ask the simple question. Does anyone on-list
> > obtain greater than 40 MB/s performance from their networked filesystems
> > ( when the file is not already cached in the servers memory ) ?
> >
> > (Yes it's a loaded question because if you answer affirmatively, then I
> > know who to interrogate with further questions :)
> >
> > _______________________________________________
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> >
> 
> 

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