linux-kernel - Re: [RFC][PATCH 0/5] memcg softlimit (Another one) v4

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Message-ID: <20090312050423.GI23583@balbir.in.ibm.com>
Date:	Thu, 12 Mar 2009 10:34:23 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
	"kosaki.motohiro@...fujitsu.com" <kosaki.motohiro@...fujitsu.com>
Subject: Re: [RFC][PATCH 0/5] memcg softlimit (Another one) v4

* KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> [2009-03-12 13:39:49]:

> On Thu, 12 Mar 2009 09:16:47 +0530
> Balbir Singh <balbir@...ux.vnet.ibm.com> wrote:
> 
> > * KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> [2009-03-12 09:52:47]:
> > I've tested so far by
> > 
> > Creating two cgroups and then 
> > 
> > a. Assigning limits of 1G and 2G and run memory allocation and touch
> > test
> softlimit ?
>

Yes
 
> > b. Same as (a) with 1G and 1G
> > c. Same as (a) with 0 and 1G
> > d. Same as (a) with 0 and 0
> > 
> > More comments in induvidual patches.
> > 
> Then,
>   1. what's the number of active threads ?

One for each process in the two groups

>   2. what's the number of cpus ?

4

>   3. what's the numa configuration, if numa ?

Fake NUMA with nodes = 4, I have DMA, DMA32 and NORMAL split across
nodes.

>   4. what's the zone configuration ?
>   5. what's arch ?
>   6. what's amount of total memory ?

I have 4GB on x86-64 system (Quad Core)

>   7. Do you find difference in behavior with and without softlimit ?

Very much so.. I see the resources being shared as defined by soft
limits.

>   8. Do you tested *this* version ?
> 

Not yet.. you just posted it. I am testing my v5, which I'll post
soon. I am seeing very good results with v5. I'll test yours later
today.

> Thanks,
> -Kame

-- 
	Balbir
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