What counter should an administrator check to determine if a virtual machine is ballooning?
A.
swapinRate
B.
vmmemctltarget
C.
swapped
D.
vmmemctl
Explanation:
https://www.vmware.com/support/developer/vc-sdk/visdk41pubs/ApiReference/
memory_counters.html
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.monitoring.doc/GUID-88CA95AD-A583-4EF6-838E-D92C87B0BB00.html
1
0
Memory Ballooning is the memory reclamation technique used by hypervisor to reclaim the memory back from the virtual machine.
When ESXi host running low on physical memory, It uses ballooning driver (vmmemctl.sys) to determine the how much memory from virtual machines can be get back to prevent the hypervisor swapping.
“MEMCTL/MB” counter shows us the overall ballooning activity.
1
0
Balloon:
Sum of the guest physical memory reclaimed by the balloon driver for all powered on virtual machines on the host.
0
0