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[Xen-users] overcommiting vcpus

To: <xen-users@xxxxxxxxxxxxxxxxxxx>
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Thu, 15 Jan 2009 20:24:42 +1100
Delivery-date: Thu, 15 Jan 2009 01:25:26 -0800
List-id: Xen user discussion <xen-users.lists.xensource.com>
Thread-index: Acl28xi73nj1HRISSESCMYerHPG/Rw==
Thread-topic: overcommiting vcpus

My test box has an AMD dual core processor in it, giving me 2 physical
cpu's.

If I overcommit the vcpu's (eg vcpus=4) to simulate a 4 cpu machine, how
accurate a simulation should it be (apart from performance sucking
badly)?

James

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