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[Xen-devel] Re: Question about the ability of credit scheduler to handle I/O and CPU intensive VMs


  • To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
  • From: Yuehai Xu <yuehaixu@xxxxxxxxx>
  • Date: Mon, 13 Sep 2010 21:38:13 -0400
  • Cc: George.Dunlap@xxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, yhxu@xxxxxxxxx, Keir.Fraser@xxxxxxxxxxxxx
  • Delivery-date: Mon, 13 Sep 2010 18:39:06 -0700
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On Mon, Sep 13, 2010 at 7:29 PM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
>  On 09/13/2010 02:37 PM, Yuehai Xu wrote:
>> The document http://www.xen.org/files/xensummit_intel09/George_Dunlap.pdf
>> has explained why credit scheduler doesn't work well for CPU+I/O
>> intensive workload, however, since nothing seems happened after this
>> short paper, at least the performance of I/O remains poor. Is it
>> because of some technical issues?
>
> Have you tried the credit2 scheduler?
>
>    J
>
I am afraid when I set the scheduler to credit2, my computer can't
boot successfully, it seems something wrong with credit2.

Yuehai

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