* KAMEZAWA Hiroyuki <kamezawa.hir...@jp.fujitsu.com> [2009-08-24 15:58:35]:

> On Mon, 24 Aug 2009 08:17:06 +0200
> Dietmar Maurer <diet...@proxmox.com> wrote:
> 
> > > > how about memsw_limit for swap? :>
> > > > I am looking for swap usage statistics from cgroup right now from
> > > > memcontrol.c :) but as you did the idea is good and should be add to
> > > the
> > > > kernel and lxc-tools :)
> > > >
> > > 
> > > Hmm, why meminfo is necessary ? For cheating top/free/... etc ?
> > 
> > Many servers use that info to control the use of resources. For example, 
> > they do not span any more server processes if memory is low.
> > 
> > If you do not have that info correct, all those programs fails (they try to 
> > allocate much more resources than available).
> > 
> 
> Hm, duplicating information for keeping binary compatibility for apps ?
> What other stat does ? 
> For example, 
>       - load average
>       - cpu usage %user, %sys, %iowait, etc..
>       - fork-per-sec
> 
> One difficulty I think of is that memcg's limit-usage doesn't means "free".
> But, hmm, showing "meminfo" in popular/user-friendly format is not very bad.
> Balbir, how do you think ?
>

Sorry, I've missed the context and unable to follow the discussion.
IIUC, the request is to show per-container statistics?
 
> If you write a patch, plz onto the newest mmotm.
> *And*, now, Nishimura-san is posting "show # of swap usage directly" patch.
> It will be a help for you.

-- 
        Balbir
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