A user runs a virtual machine with 1 vCPU and 1024 MB memory. The action consumes 1 vCPU and 1024 MB of the quota assigned to that user. When the virtual machine is stopped 1 vCPU and 1024 MB of RAM are released back to the quota assigned to that user. Run-time quota consumption is accounted for only during the actual run-time of the consumer.
A user creates a virtual thin provision disk of 10 GB. The actual disk usage may indicate only 3 GB of that disk are actually in use. The quota consumption, however, would be 10 GB, the max growth potential of that disk.