There are several ways to monitor the performance of virtual machines under vSphere:
1. Use the vSphere Client: The vSphere Client provides various performance monitoring tools such as CPU, memory, disk I/O, network usage etc.
1. Use vSphere Performance Charts: vSphere Performance Charts provide detailed real-time statistics on many aspects of the virtual machine. You can see metrics such as CPU usage, memory usage, network usage, and disk usage.
1. Use vRealize Operations Manager: vRealize Operations Manager is a monitoring platform that provides comprehensive resource management and monitoring across your entire environment.
1. Use third-party monitoring tools: There are several third-party monitoring tools such as SolarWinds, Nagios, etc. that can monitor virtual machines under vSphere.
1. Use vCenter Server alarms: vCenter Server alarms can be configured to send notifications when specific thresholds are crossed, such as high CPU or memory usage.
