If you are looking for performance tweaks for ESX with advanced settings parameters, this should be a good go. All parameters mentioned in this document are tested with specific environments and may vary on your environment. Do it at your own risk. Also these parameters increases significant load on CPU, Memory, NIC and Storage array. I would recommend initially, in a test environment for considerable amount of time and conclude appropriate measurements.

Note: Do it at your own risk. This document is only a reference for parameters used for performance tweaks.