[Devel] Re: [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added user memory)

[Pavel Emelianov]

Srivatsa Vaddagiri wrote:
> On Mon, Sep 11, 2006 at 12:13:59PM +0400, Pavel Emelianov wrote:
>   
>> If I set up 9 groups to have 100Mb limit then I have 100Mb assured (on
>> 1Gb node)
>> for the 10th one exactly. And I do not have to set up any guarantee as
>> it won't affect
>> anything. So what a guarantee parameter is needed for?
>>     
>
> I presume you are talking of hard-limiting each group to 100 MB here. In
> which case, wont the 100MB (reserved for 10th group) be unutilized
> untill 10th group is started (it may never be started for that matter!).
>
> IMO it would be better to go and use that free 100 MB for reclaimable memory
> and give that up when 10th group is started.
>   
Sure. I've talked about the unreclaimable memory.
Sorry, for not specifying it explicitly.