THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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xenserver
The DMC (Dynamic Memory Control)capability of the hypervisor should be enabled. only xenserver Advanced and above versions have this feature. In case of xenserver we cannot support an overcommit factor greater than 4. This is because of a hypervisor constraint.
VMware & KVM.
The memory ballooning is supported by default.
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