PacktLib: vSphere High Performance Cookbook

vSphere High Performance Cookbook


About the Author

About the Reviewers


CPU Performance Design


Critical performance consideration – VMM scheduler

CPU scheduler – processor topology/cache aware

Ready time – warning sign

Hyperthreaded core sharing

Spotting CPU overcommitment

Fighting guest CPU saturation in SMP VMs

Controlling CPU resources using resource settings

What is most important to monitor in CPU performance

CPU performance best practices

Memory Performance Design


Virtual memory reclamation techniques

Monitoring host-swapping activity

Monitoring host-ballooning activity

Keeping memory free for VMkernel

Key memory performance metrics to monitor

What metrics not to use

Identifying when memory is the problem

Analyzing host and VM memory

Memory performance best practices

Networking Performance Design


Designing a network for load balancing and failover for vSphere Standard Switch

Designing a network for load balancing and failover for vSphere Distributed Switch

What to know when offloading checksum

Selecting the correct virtual network adapter

Improving performance through VMDirectPath I/O

Improving performance through NetQueue

Improving network performance using the SplitRx mode for multicast traffic

Designing a multi-NIC vMotion

Improving network performance using network I/O control

Monitoring network capacity and performance matrix

DRS, SDRS, and Resource Control Design


Using DRS algorithm guidelines

Using resource pool guidelines

Avoiding using resource pool as folder structure

Choosing the best SIOC latency threshold

Using storage capability and profile driven storage

Anti-affinity rules in the SDRS cluster

Avoiding the use of SDRS I/O Metric and array-based automatic tiering together

Using VMware SIOC and array-based automatic tiering together

vSphere Cluster Design


Trade-off factors while designing scale up and scale out clusters

Using VM Monitoring

vSphere Fault Tolerance design and its impact

DPM and its impact

Choosing the reserved cluster failover capacity

Rightly choosing the vSphere HA cluster size

Storage Performance Design


Designing the host for a highly available and high-performing storage

Designing a highly available and high-performance iSCSI SAN

Designing a highly available and high-performing FC storage

Performance impact of queuing on the storage array and host

Factors that affect storage performance

Using VAAI to boost storage performance

Selecting the right VM disk type

Monitoring command queuing

Identifying a severely overloaded storage

Designing vCenter and vCenter Database for Best Performance


vCenter Single Sign-On and its database preparation

vCenter Single Sign-On and its deployment

Things to bear in mind while designing the vCenter platform

Designing vCenter Server for redundancy

Designing a highly available vCenter database

vCenter database size and location affects performance

Considering vCenter Server Certificates to minimize security threats

Designing vCenter Server for Auto Deploy

Virtual Machine and Application Performance Design


Setting the right time in Guest OS

vNUMA (Virtual NUMA) considerations

Choosing the SCSI controller for storage

Impact of VM swap file placement

Using large pages in virtual machines

Guest OS networking considerations

When you should or should not virtualize an application

Measuring the application's performance