I am not sure your exact question but the Consumed Memory counter, just like other counters, hold data in the database for a year or more. If you go to the Performance chart of a VM, you will see Advanced options to show Consumed Memory for different periods in time, including Real-time.
VCP6-DCV, VCP5, CCNA, MCTS 2008R2, MCSA 2008R2, CCA, ITIL.
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