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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Hi Adhi,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Do you mean that you can’t run two VMs each with 8 vCPUs, or do you mean that you are trying to run one VM with more than 8 vCPUs?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I believe that the cpu_allocation_ratio means that you can re-use each physical cpu (thread) up to 16 times with different VMs, but
each VM is still restricted to at must the number of physical cpu threads you have on the machine.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Bob<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Adhi Priharmanto [mailto:adhi.pri@gmail.com]
<br>
<b>Sent:</b> 29 November 2017 11:38<br>
<b>To:</b> openstack <openstack@lists.openstack.org><br>
<b>Subject:</b> [Openstack] [xenserver][ocata] overcommit vcpu<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Verdana",sans-serif">Hi, <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Verdana",sans-serif">I've been running ocata release with xenserver as hypervisor, my question, how to overcommit vCPU of xenserver ?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Verdana",sans-serif">my xenserver have 4 physical core and 8 vcpu. I already add "cpu_allocation_ratio = 16.0" option into my nova.conf at compute nodes, but its still read 8 vCPUs by scheduler.<o:p></o:p></span></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif">Cheers,</span><o:p></o:p></p>
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<p class="MsoNormal" style="vertical-align:baseline"><b><span style="font-size:13.5pt;font-family:"Helvetica",sans-serif;color:#333333">Adhi Priharmanto<o:p></o:p></span></b></p>
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<p class="MsoNormal" style="vertical-align:baseline"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:#2B82AD">about.me/a_dhi<o:p></o:p></span></p>
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