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VMware vRealize Operations Performance and Capacity Management by Iwan 'e1' Rahabok

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Memory counters at the VM level

vCenter 5.5 provides 28 counters for RAM to track the various features of ESXi memory management. Compared with physical servers, where you normally just monitor the memory utilization and swapping, these are a lot counters. I have shown all the counters in the next screenshot. With 28 counters per VM, a vSphere environment with 1,000 VMs will have 28,000 counters just for VM RAM! It is certainly too many to be monitored as part of overall management. I will share, in the later part of this chapter, the three key counters you need to track to manage performance and capacity.

Memory counters at the VM level

VM – RAM counters

At the ESXi level, vCenter ...

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