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2V0-21.20 · Question #10

Refer to the exhibit. What does the %RDY for the Win1 virtual machine indicate?

The correct answer is C. High CPU contention. %RDY (CPU Ready) in esxtop/resxtop represents the percentage of time a virtual machine was ready to execute but could not be scheduled on a physical CPU because none were available. A high %RDY value is a direct indicator of CPU contention - the hypervisor is overcommitted and…

Performance-tuning, Optimization, and Upgrades

Question

Refer to the exhibit. What does the %RDY for the Win1 virtual machine indicate?

Exhibits

2V0-21.20 question #10 exhibit 1
2V0-21.20 question #10 exhibit 2

Options

  • AHigh CPU wait time
  • BLow CPU usage
  • CHigh CPU contention
  • DLow CPU contention

How the community answered

(36 responses)
  • A
    3% (1)
  • C
    92% (33)
  • D
    6% (2)

Explanation

%RDY (CPU Ready) in esxtop/resxtop represents the percentage of time a virtual machine was ready to execute but could not be scheduled on a physical CPU because none were available. A high %RDY value is a direct indicator of CPU contention - the hypervisor is overcommitted and the VM is being starved of CPU cycles. It does not indicate CPU wait time in the traditional I/O sense (A), nor does it measure how much CPU the VM is consuming (B, D). High %RDY typically manifests as application slowness or degraded performance inside the guest.

Topics

#CPU Ready Time#CPU Contention#Performance Metrics#vSphere

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