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Why CPU Ready value is high for system?

Posted on 2015-02-04
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Last Modified: 2015-03-10
Hi,

I have one ESXi host (DL 360p G8) with 5 vms running. All looks fine except when i checked the CPU %Ready value is around 4 and the cpu usage is less than 5%.

When i checked in the esxtop, Name "system" Cpu %ready and %wait is more than any VMs. Any idea why it happens and what "System" means here? I believe system is ESXi.
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Question by:Nava_thulasi39
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Andrew Hancock (VMware vExpert / EE MVE^2) earned 1500 total points
ID: 40588340
The "system" group contains the VMKernel system worlds.

Now which values are you looking out, and have you seen this handy chart to aid performance issues:-

http://www.running-system.com/wp-content/uploads/2012/08/esxtop_english_v11.pdf

also see my EE Article


HOW TO:  Performance Monitor vSphere 4.x or 5.0

also have a look at visualesxtop

http://www.yellow-bricks.com/esxtop/
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