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SubjectRe: [RFC][PATCH] memcg soft limit (yet another new design) v1
On Sat, 28 Mar 2009 23:57:47 +0530
Balbir Singh <balbir@linux.vnet.ibm.com> wrote:

> * Balbir Singh <balbir@linux.vnet.ibm.com> [2009-03-28 23:41:00]:
>
> > * KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> [2009-03-27 13:59:33]:
> >
> > > ==brief test result==
> > > On 2CPU/1.6GB bytes machine. create group A and B
> > > A. soft limit=300M
> > > B. no soft limit
> > >
> > > Run a malloc() program on B and allcoate 1G of memory. The program just
> > > sleeps after allocating memory and no memory refernce after it.
> > > Run make -j 6 and compile the kernel.
> > >
> > > When vm.swappiness = 60 => 60MB of memory are swapped out from B.
> > > When vm.swappiness = 10 => 1MB of memory are swapped out from B
> > >
> > > If no soft limit, 350MB of swap out will happen from B.(swapiness=60)
> > >
> >
> > I ran the same tests, booted the machine with mem=1700M and maxcpus=2
> >
> > Here is what I see with
>
> I meant to say, Here is what I see with my patches (v7)
>
Hmm, I saw 250MB of swap out ;) As I reported before.

-Kame




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