| To: | linuxmasterjedi@xxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | Re: [Xen-users] 2 DomU and 2 4-cores CPU |
| From: | Michael Schmidt <michael.schmidt@xxxxxxxxxx> |
| Date: | 2010年4月02日 10:29:53 +0200 |
| Cc: | |
| Delivery-date: | 2010年4月02日 01:31:11 -0700 |
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Hi, you can asign all DomUs all cores.In the case of 100% utilisation of both DomUs, the xen-scheduler provides 50% CPU time from all the CPUs for each DomU. If one DomU idles and the other one, need 100% CPU, it will get the power of all the 8 Cores.
Regards - Michael Schmidt L.M.J schrieb:
Hi, With my college, I was wondering what is the best optimization for our setup. I've got 2 VM with 16GB of RAM and 4 vCPU to each one. My server got 2 CPU with 4 cores inside (makes 8 CPU). What produce the best performance: 1) Give ALL cpu to my 2 VM and each ones will take its 4 vCPU where itcan 2) Give CPU 0-3 to VM1 and CPU 4-7 to VM2 : each vm own the 4 cores from 1 CPU 3) Give CPU 0,1,4,5 to VM1 and 2,3,6,7 to VM2 : mix cores between the both CPU Thanks by advance for any information or point me to any docs talkingabout this !_______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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