6.5.1

Contents
About vSphere Resource Management 7
1
Geing Started with Resource Management 9
Resource Types 9
Resource Providers 9
Resource Consumers 10
Goals of Resource Management 10
2
Conguring Resource Allocation
Seings 11
Resource Allocation Shares 11
Resource Allocation Reservation 12
Resource Allocation Limit 12
Resource Allocation Seings Suggestions 13
Edit Resource Seings 13
Changing Resource Allocation Seings—Example 14
Admission Control 15
3
CPU Virtualization Basics 17
Software-Based CPU Virtualization 17
Hardware-Assisted CPU Virtualization 18
Virtualization and Processor-Specic Behavior 18
Performance Implications of CPU Virtualization 18
4
Administering CPU Resources 19
View Processor Information 19
Specifying CPU Conguration 19
Multicore Processors 20
Hyperthreading 20
Using CPU Anity 22
Host Power Management Policies 23
5
Memory Virtualization Basics 27
Virtual Machine Memory 27
Memory Overcommitment 28
Memory Sharing 28
Types of Memory Virtualization 29
6
Administering Memory Resources 33
Understanding Memory Overhead 33
How ESXi Hosts Allocate Memory 34
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3