perfomance monitoring

Подборка ссылок о средствах и нюансах мониторинга нагрузки на сервер и ВМ:

• Understanding Performance
• Using esxtop to Troubleshoot Performance Problems
• Interpreting esxtop Statistics
• Using the esxtop tool to identify VMware ESX memory use
• Using Perfmon For Accurate, ESX Performance Counters
• Performance Troubleshooting for VMware vSphere 4 and ESX 4.0
• Understanding VirtualCenter Performance Statistics
• Using vscsiStats for Storage Performance Analysis
• Performance Analysis Methods
• CPU Performance Analysis and Monitoring
• Memory Performance Analysis and Monitoring
• Network Performance Analysis and Monitoring
• Storage System Performance Analysis with Iometer
• VMware Infrastructure - Performance Optimization & Troubleshooting (VMware ESX / VMware ESXi) (VMworld 2008 - free registration required)
• Intepreting Performance Statistics in VI3 (VMworld 2008 - free registration required)
• Troubleshooting virtual machine performance issues (KB Article)
• Using esxtop to identify storage performance issues (KB Article)

Отсюда - I/O bottlenecks in virtual environments.