From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Andrea Righi <arighi@develer.com>
Cc: Vivek Goyal <vgoyal@redhat.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
Peter Zijlstra <peterz@infradead.org>,
Trond Myklebust <trond.myklebust@fys.uio.no>,
Suleiman Souhlal <suleiman@google.com>,
Greg Thelen <gthelen@google.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Andrew Morton <akpm@linux-foundation.org>,
containers@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH -mmotm 0/5] memcg: per cgroup dirty limit (v6)
Date: Fri, 12 Mar 2010 09:03:26 +0900 [thread overview]
Message-ID: <20100312090326.ad07c05c.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20100311235922.GA4569@linux>
On Fri, 12 Mar 2010 00:59:22 +0100
Andrea Righi <arighi@develer.com> wrote:
> On Thu, Mar 11, 2010 at 01:07:53PM -0500, Vivek Goyal wrote:
> > On Wed, Mar 10, 2010 at 12:00:31AM +0100, Andrea Righi wrote:
> mmmh.. strange, on my side I get something as expected:
>
> <root cgroup>
> $ dd if=/dev/zero of=test bs=1M count=500
> 500+0 records in
> 500+0 records out
> 524288000 bytes (524 MB) copied, 6.28377 s, 83.4 MB/s
>
> <child cgroup with 100M memory.limit_in_bytes>
> $ dd if=/dev/zero of=test bs=1M count=500
> 500+0 records in
> 500+0 records out
> 524288000 bytes (524 MB) copied, 11.8884 s, 44.1 MB/s
>
> Did you change the global /proc/sys/vm/dirty_* or memcg dirty
> parameters?
>
what happens when bs=4k count=1000000 under 100M ? no changes ?
-Kame
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next prev parent reply other threads:[~2010-03-12 0:07 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-09 23:00 Andrea Righi
2010-03-09 23:00 ` [PATCH -mmotm 1/5] memcg: disable irq at page cgroup lock Andrea Righi
2010-03-09 23:00 ` [PATCH -mmotm 2/5] memcg: dirty memory documentation Andrea Righi
2010-03-09 23:00 ` [PATCH -mmotm 3/5] page_cgroup: introduce file cache flags Andrea Righi
2010-03-09 23:00 ` [PATCH -mmotm 4/5] memcg: dirty pages accounting and limiting infrastructure Andrea Righi
2010-03-10 22:23 ` Vivek Goyal
2010-03-11 22:27 ` Andrea Righi
2010-03-09 23:00 ` [PATCH -mmotm 5/5] memcg: dirty pages instrumentation Andrea Righi
2010-03-10 1:36 ` [PATCH -mmotm 0/5] memcg: per cgroup dirty limit (v6) Balbir Singh
2010-03-11 0:39 ` KAMEZAWA Hiroyuki
2010-03-11 1:17 ` KAMEZAWA Hiroyuki
2010-03-11 9:14 ` Peter Zijlstra
2010-03-11 9:25 ` KAMEZAWA Hiroyuki
2010-03-11 9:42 ` KAMEZAWA Hiroyuki
2010-03-11 22:20 ` Andrea Righi
2010-03-12 1:14 ` Daisuke Nishimura
2010-03-12 2:24 ` KAMEZAWA Hiroyuki
2010-03-15 14:48 ` Vivek Goyal
2010-03-12 10:07 ` Andrea Righi
2010-03-11 15:03 ` Vivek Goyal
2010-03-11 23:27 ` Andrea Righi
2010-03-11 23:52 ` KAMEZAWA Hiroyuki
2010-03-12 10:01 ` Andrea Righi
2010-03-15 14:16 ` Vivek Goyal
2010-03-11 23:42 ` KAMEZAWA Hiroyuki
2010-03-12 0:33 ` Andrea Righi
2010-03-15 14:38 ` Vivek Goyal
2010-03-17 22:32 ` Andrea Righi
2010-03-11 22:23 ` Andrea Righi
2010-03-11 18:07 ` Vivek Goyal
2010-03-11 23:59 ` Andrea Righi
2010-03-12 0:03 ` KAMEZAWA Hiroyuki [this message]
2010-03-12 9:58 ` Andrea Righi
2010-03-15 14:41 ` Vivek Goyal
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