I'm unsure about the specific KB hotfix that Microsoft has released to patch the Meltdown & Spectre vulnerabilities.
Does anyone know ? Are there different patches for the various operating systems (2008/2012/2016) ?
In case someone has already installed them, did you notice a performance degradation ? Did you do a baseline before and after the patch installation to verify the performance impact ? I'm wondering how to best measure this (I'm referring to servers, ie data center environment).
Also, did you deploy the new registry key too before installing this patch ?