Scott Drummonds on Virtualization

A Performance Tip for ESX 3.0 and ESX 3.5


Do you have any running instances of ESX 3.5 or older?  Are those instances running on processors that are no more than a couple of years old?  If so, I have a tip for you: update your hosts to ESX 4.0. Seriously, upgrade to vSphere already. It’s been out for a year!

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Newer Processors and Virtualization Performance


[New content has been added to this is an update to an old article from the performance community.]

Newer processors are much more important to virtualized environments than the non-virtualized counterpart. Generational improvements have not just increased the raw compute power, they have also reduced virtualization overheads. This blog entry will describe three key changes that have particularly impacted virtual performance.

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