Re: [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added usermemory)

From: Chandra Seetharaman
Date: Mon Sep 18 2006 - 19:58:07 EST


On Fri, 2006-09-15 at 12:57 +0400, Kirill Korotaev wrote:
> > CKRM/RG handles it this way:
> >
> > Amount of a resource a child RG gets is the ratio of its share value to
> > the parent's total # of shares. Children's resource allocation can be
> > changed just by changing the parent's total # of shares.
> >
> > If you case about initial situation would be:
> > Total memory in the system 100MB
> > parent's total # of shares: 100 (1 share == 1MB)
> > 10 children with # of shares: 10 (i.e each children has 10MB)
> >
> > When I want to add another child, just change parent's total # of shares
> > to be say 125:
> > Total memory in the system 100MB
> > parent's total # of shares: 125 (1 share == 0.8MB)
> > 10 children with # of shares: 10 (i.e each children has 8MB)
> > Now you are left with 25 shares (or 20MB) that you can assign to new
> > child(ren) as you please.
>
> setting memory in "shares" doesn't look user friendly at all...

in RG, the user can set the root level shares to be the "total # of
pages", and then the shares will simply reflect the number of pages.

>
> Kirill
>
>
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--

----------------------------------------------------------------------
Chandra Seetharaman | Be careful what you choose....
- sekharan@xxxxxxxxxx | .......you may get it.
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