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xen-users
[Xen-users] Re: Default disk I/O scheduler in linux guest
Any ideas?
On Wed, Feb 4, 2009 at 5:24 PM, Jia Rao <rickenrao@xxxxxxxxx> wrote:
Hi, all,
I just found out that xen assigns the NOOP disk scheduler for linux guest OSes. Dom0 uses cfq scheduler (it is the linux default). Is there a reason for xen to turn off disk request merging in the quest OS by selecting a NOOP scheduler?
Is it because the request optimization will be performed in dom0 or VMM ?
Thansk in advance, Jia.
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