Thursday, December 8, 2011

TPS, Balloning, and swaping

TPS: Transparent Page Sharing, by default from ESX(i) (4k page only)

Balloning: from vmware tools installed VM, max 65% by default (free and Idle memory)

swapping to/from disk, caused by insufficient host memory or Resource Pool Settings.

VM without vmware tools installed will begin memory swapping directly when memory insufficient.

Host memory state: 6%(and above) soft, low 4%, hard2%,  low1%

memory over-commitment -> server consolidation possibly

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