<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jan 22, 2018 at 1:46 PM, Andrei V <span dir="ltr"><<a href="mailto:andreil1@starlett.lv" target="_blank">andreil1@starlett.lv</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
<br>
<br>
I’m currently running node on HP ProLiant with 2 x Xeon with 4 core each.<br>
Because of hyperthreading each physical core is being seen as 2.<br>
How KVM/oVirt reserves cores if for example I allocate 4 CPU cores for VM ?<br>
Does it allocates 4 real CPU cores, or 2 cores with 2 threads each ?<br></blockquote><div><br></div><div>Depends on how you've configured the host and the VM.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
Each VM consumes very low CPU resources.<br>
What happens if # of used cores consumed by VMs will exceed real count of physical CPU cores ?<br></blockquote><div><br></div><div>If they are really consumed, the VM might be slowing down considerably.</div><div>Y.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
Thanks.<br>
Andrei<br>
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