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SubjectRe: [PATCH -mmotm 0/5] memcg: per cgroup dirty limit (v6)
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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