On 05/13/2015 10:49 AM, Alexandr Krivulya wrote:
Ок, I understand it. But in admin portal on hosts detail tab I see for
example 32 logical cores vs 16 in reports because of Hyper-Threading
enabled. All VM's on this host consumes 26 vCores. Does it
overallocation? According to report - yes, but actually I think not.
Can you clarify?
This article is good reading material for this:
http://wahlnetwork.com/2013/09/30/hyper-threading-gotcha-virtual-machine-vcpu-sizing/
It's still over allocation since you have more logical cores than
physical, but it is weird that the database reports something different
than the UI.
Eli, when hyper-threading is enabled, how is that saved in the database,
does the UI display vale change, but the database values stay the same?
13.05.2015 10:32, Shirly Radco пишет:
H Alexandr,
The vCores are the logical cpu cores,
and if you has more vCores than Host Cores it means that you have over
allocation for the hosts.
So, if on a specific vm one of the cores will be on 100% usage than all the vms
using this core will show 100% as well.
Best,
---
Shirly Radco
BI Software Engineer
Red Hat Israel Ltd.
----- Original Message -----
From: "Alexandr Krivulya" <shur...@shurik.kiev.ua>
To: users@ovirt.org
Sent: Tuesday, May 12, 2015 3:30:32 PM
Subject: [ovirt-users] engine-reports portal and cpu cores
Hello,
why we have in reports host cores but not logical cpu cores? For example
in "Cluster Capacity Vs. Usage" report I always have more vCores then
Host Cores.
Thank you.
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