Two common VMware CPU performance problems and solutions
This post is the first in a series of posts about identifying and solving VMware related performance problems. In this post, we’ll briefly describe a couple of common VMware CPU performance problems and their solutions. These are problems and solutions we’ve heard repeatedly from customers and end users.
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PROBLEM |
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DESCRIPTION |
vSMP suffer long delays and throughput degradation |
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SYMPTOMS |
Excessive ready counter; vSMP performance metrics down |
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RESOLUTION |
Reduce CPU loads by moving VMs or reconfigure overallocated vSMP virtual machines to be configured with fewer virtual processors instead |
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PROBLEM |
INTERRUPTS |
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DESCRIPTION |
A VM generates high interrupt rates hogging the CPU |
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SYMPTOMS |
Long waits in ready queue for single vCPU |
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RESOLUTION |
Reduce CPU loads by moving VMs or reconfigure overallocated vSMP virtual machines to be configured with fewer virtual processors instead |
Please let us know if you have your own problems, solutions, and best practices to add.
