[dm-devel] Re: ioband: Writer starves reader even without competitors
Ryo Tsuruta
ryov at valinux.co.jp
Wed Sep 16 12:08:35 UTC 2009
Hi Vivek,
Vivek Goyal <vgoyal at redhat.com> wrote:
> Hi Ryo,
>
> I notice that with-in a single ioband device, a single writer starves the
> reader even without any competitor groups being present.
>
> I ran following two tests with and without dm-ioband devices
Thank you again for testing dm-ioband.
I got the similar results and am investigating it now.
I'll let you know if I find something.
Thanks,
Ryo Tsuruta
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