Broadcom-VMware
VCP510PSE · Question #258
Which of these factors indicates a high likelihood that the performance of a virtual machine disk is being constrained by disk I/O?
The correct answer is B. A high device latency value. Disk performance bottlenecks are usually due to either Disk queue lenght or Disk Latency
Understand VMware vSphere 5 Architecture and Components
Question
Which of these factors indicates a high likelihood that the performance of a virtual machine disk is being constrained by disk I/O?
Options
- AA large number of commands issued
- BA high device latency value
- CA high disk used value
- DA large number of kilobytes read and written
How the community answered
(35 responses)- A3% (1)
- B83% (29)
- C9% (3)
- D6% (2)
Explanation
Disk performance bottlenecks are usually due to either Disk queue lenght or Disk Latency
Topics
#disk I/O#device latency#storage bottleneck#performance monitoring
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