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Role of Balloon Driver

jskfan asked
Last Modified: 2020-06-01
Role of Balloon Driver

If I understand  Vmware ESX host can request unused memory from Guest VM using Ballon Driver as long as the Guest has Vmware Tools installed on it.
Well, what is  this request for ? for instance if VM1 has been assigned 4GB RAM and needs more RAM, VM2 has 8GB RAM and it has been using around 3GB RAM.
Will Ballon Driver be helpful to VM1 ?


Ballon driver is helpful only to ESX host if it needs more RAM for itself to do whatever task it needs to do ?

Thank you
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