Re: [Xen-devel] vbd rate limiting?

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 20 Sep 2005, at 20:40, Christopher S. Aker wrote:

> I've been able to successfully create domains on my PAE boxes -- 
> thanks for the hard work.
> Last time I looked at -unstable, I swear there was a vbd rate limiting 
> feature but this time around it's not obvious to me where that's gone. 
> Am I missing something or has this been removed?  Any plans to 
> re-implement this type of feature?  For those of us in a Xen hosting 
> environment this kind of thing is very useful for cranking down on 
> disk thrashers.
> Also, along the same lines -- is there a way to get vbd rate info out 
> to xen0?
Maybe you're thinking of vif rate limiting (whcih does still exist)? We 
haven't ever had vbd rate limiting, but we have plans to hook into 
Linux's block-device scheduling (e.g., cbq scheduler).
 -- Keir


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