Messages in this thread | | | Subject | Re: [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added user memory) | From | Chandra Seetharaman <> | Date | Mon, 18 Sep 2006 16:51:35 -0700 |
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On Fri, 2006-09-15 at 12:49 +0400, Kirill Korotaev wrote: > > <snip> > > > >>Reserving in advance means that sometimes you won't be able to start a > >>new group without taking back some of reserved pages. This is ... strange. > > > > > > I do not see it strange. At the time of creation, user sees the failure > > (that there isn't enough resource to provide the required/requested > > guarantee) and can act accordingly. > > > > BTW, VMware does it this way. > This is not true at least for ESX server.
Hmm, from what I have seen, in ESX server, creation of a VM will fail, if the specified guarantees cannot meet at the time of creation.
> It overcommits memory and does dirty tricks like balooning to free memory then.
This is how they handle over commit, which is not what I was talking about.
<snip>
--
---------------------------------------------------------------------- Chandra Seetharaman | Be careful what you choose.... - sekharan@us.ibm.com | .......you may get it. ----------------------------------------------------------------------
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