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[Xen-devel] fair scheduling
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] fair scheduling |
| From: | "Harry Smith" <harry.smith272@xxxxxxxxx> |
| Date: | Wed, 9 May 2007 18:56:40 +0530 |
| Delivery-date: | Wed, 09 May 2007 06:25:18 -0700 |
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hi all, I am using xen3.0.3 on dual core hyperthreaded processor (in all 4 cores). There are 2 VMs vm1,vm2 among which vm1 has a webserver running on it. While testing the performance of webserver, when I introduce some load on vm2 which involves some computations the webserver performance goes down. This happened even in the case where CPU usage by both of vm1,vm2 is restricted to 100% each. Is it expected behavior ? if yes then how does one can control addition of new virtual machines as adding every new VM will result in lowering performance of other VMs. Through scheduling parameters we can just specify amount of CPU to be used in relative sense (weight) & upper limit (cap). But how to tackle this point. I am new in this area & wanna set up a lab using virtualization, so want to find solution for this. thanks, Harry
we always have a choice... _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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