Xen devel - Sep 2005 - vbd rate limiting?

Hey guys,

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?

Thanks,
-Chris

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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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