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Oracle VM: High "sys%" CPU Usage in Guest OS After VM Is Live Migrated to New OVM Server (Doc ID 2799995.1)

Last updated on AUGUST 23, 2021

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Oracle VM - Version 3.0.1 and later
x86_64

Symptoms

The issue normally starts after the Virtual Machine(VM) is migrated to a new/different Oracle VM (OVM) Server.

The CPU "sys%" usage becomes very high which causes system's "load average" become very high also. However the "usr%" usage is not high.

 

Before live migration,

 

Changes

The issue VM is live migrated from one server to another. 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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