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[Xen-devel] Re: Question about the ability of credit scheduler to handle

To: Yuehai Xu <yuehaixu@xxxxxxxxx>
Subject: [Xen-devel] Re: Question about the ability of credit scheduler to handle I/O and CPU intensive VMs
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Mon, 13 Sep 2010 16:29:31 -0700
Cc: George.Dunlap@xxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, yhxu@xxxxxxxxx, Keir.Fraser@xxxxxxxxxxxxx
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 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?


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