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Re: [Xen-users] strangeness with high BDP tests


  • To: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>
  • From: Diwaker Gupta <diwakergupta@xxxxxxxxx>
  • Date: Mon, 4 Apr 2005 10:53:55 -0700
  • Cc: ian.pratt@xxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 04 Apr 2005 17:53:54 +0000
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On Apr 4, 2005 12:39 AM, Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx> wrote:
> 
> > > Also, you might want to play around with the rate limiting
> > function in
> > > netback. If you set it to a few hundred Mb/s you might help promote
> > > batching.
> >
> > Sorry if this is dumb, but whats the rate limiting function
> > in netback? Is it a run-time parameter or something in the
> > code? What does it do? If I set it too high, won't it lead to
> > bad performance with low b/w flows? I guess I should just
> > look at the code :)
> 
> See: xm vif-limit
> 

Maybe I missed something. My xm only has vif-list, no vif-limit. I
also grepped for anything resembling vif-limit inside the tools
directory, but with no useful results. Is this a new feature? I'm
using Xen 2.0.3

-- 
Diwaker Gupta
http://resolute.ucsd.edu/diwaker

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