Advanced Resource Management

This chapter discusses some advanced resource management topics. It includes both conceptual information and discussion of advanced parameters you can set.

 

Note

In most situations, you don’t need the information presented in this chapter, or to use the special advanced settings that are discussed. In fact, using the advanced settings might be detrimental to your system’s performance. However, under certain circumstances experienced administrators might find these advanced configuration options helpful.

This chapter includes the following sections:

•	CPU Virtualization

•	Using CPU Affinity to Assign Virtual Machines to Specific Processors

•	Hyperthreading

•	Virtual Memory in Virtual Machines

•	Understanding Memory Overhead

•	Memory Allocation and Idle Memory Tax

•	How ESX Server Hosts Reclaim Memory

•	Sharing Memory Across Virtual Machines

•	Advanced Attributes and What They Do

 

Note	Licenses for DRS and HA are not required for any of the topics and tasks discussed in this chapter.