After publishing the article “impact of memory reservations” I received a lot of questions about setting memory reservation at resource pool level. It seems there are several common facts about resource pools and memory reservations that are often misunderstood. Because reservations are used by the VMkernel\DRS resource schedulers and (HA) admission control, the behavior of [...]

I have a customer who wants to set memory reservation on a large scale. Instead of using resource pools they were thinking of setting reservations on VM level to get a guaranteed performance level for every VM. Due to memory management on different levels, using such a setting will not get the expected results. Setting [...]