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• The current granularity of dashboard is shows it till the cluster level. So though the aggregate view might show some vacant space there might be no physical resource in the cluster/pod/zone with enough space to accommodate the vm in terms of cpu, ram or storage.

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• Dashboard view is updated real time for cpu and ram and every 5 mins (capacity.check.period) for allocated storage. For real time storage we update it every minute.
  
  

• When you increase the factor, the allocated percentage decreases and hence you can fit in more vms.

  Say allocated = 100% = 100gb out of 100gb total space and overprovisioning

  factor = 2 and at this moment you can't deploy more vms.

  Say you change overprovisioning to 3 and allocated now becomes = 100/150 =

  67%, so you can fit more vms.

• The dashboard calculation is for the entire cloud and that means the systemvms (ssvm, cpvm, routervm) as well.
• Once the instances are stopped their capacity is released after a configurable time (1 hr default).
• If they change over provisioning when their instances are already installed the calculation is not straightforward.  Refer the wiki for understanding the calculation with over provisioning.