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On a specific ESXi host, a set of VMs is not performing well. You intend to determine the root cause. To do so, you want to collect resource usage data at a level that is more granular than the vSphere Client performance graphs can provide.
- Use resxtop to collect all statistical data for 2 minutes at 3-second intervals.
- Export the data to a CSV file named results.csv.
- Import the results.csv file into Windows Performance Monitor.
- Use Windows Performance monitor to show the CPU ready time for all VMs over the 2-minute period.
- ESXi host: host-01.lab.local
VDCA510 Objective: 3.4 Utilize Advanced vSphere Performance Monitoring Tools
VDCA550 Objective: 4.1 Utilize Advanced vSphere Performance Monitoring Tools
- Chapter 4 - Utilize Advanced vSphere Performance Monitoring Tools - ESXTOP Interactive, Batch, and Replay Modes
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- Use this command from the vMA to collect data at 3-second intervals for 40 samples:
resxtop--server host-01.lab.lcoa-b –d 3 –n 40 >> results.csv
- Use a tool such as WinSCP to copy the results.csv file from the vMA to the Windows desktop.
- On the Windows desktop, launch Perfmon. Use the Source tab of its Properties page to change the source to the results.csv file.
- Use the Data tab to change the counters to include just the CPU Ready Time.