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  • Book Overview & Buying vSphere High Performance Cookbook - Second Edition
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vSphere High Performance Cookbook - Second Edition

vSphere High Performance Cookbook - Second Edition - Second Edition

By : Elder, Christopher Kusek, Prasenjit Sarkar
2 (1)
Buy this Book
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vSphere High Performance Cookbook - Second Edition

vSphere High Performance Cookbook - Second Edition

2 (1)
By: Elder, Christopher Kusek, Prasenjit Sarkar
Buy this Book

Overview of this book

vSphere is a mission-critical piece of software for many businesses. It is a complex tool, and incorrect design and deployment can create performance related issues that can negatively affect the business. This book is focused on solving these problems as well as providing best practices and performance-enhancing techniques. This edition is fully updated to include all the new features in version 6.5 as well as the latest tools and techniques to keep vSphere performing at its best. This book starts with interesting recipes, such as the interaction of vSphere 6.5 components with physical layers such as CPU, memory, and networking. Then we focus on DRS, resource control design, and vSphere cluster design. Next, you’ll learn about storage performance design and how it works with VMware vSphere 6.5. Moving on, you will learn about the two types of vCenter installation and the benefits of each. Lastly, the book covers performance tools that help you get the most out of your vSphere installation. By the end of this book, you will be able to identify, diagnose, and troubleshoot operational faults and critical performance issues in vSphere 6.5.
Table of Contents (11 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Sections
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Conventions
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Reader feedback
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Customer support
Lock Free Chapter
1
CPU Performance Design
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CPU Performance Design
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Introduction
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Critical performance consideration - VMM scheduler
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CPU scheduler - processor topology/cache-aware
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Ready time - warning sign
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Spotting CPU overcommitment
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Fighting guest CPU saturation in SMP VMs
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Controlling CPU resources using resource settings
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What is most important to monitor in CPU performance
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CPU performance best practices
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Memory Performance Design
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Memory Performance Design
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Introduction
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Virtual memory reclamation techniques
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Monitoring a host-swapping activity
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Monitoring a host-ballooning activity
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Keeping memory free for VMkernel
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Key memory performance counters to monitor
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What counters not to use
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Identifying when memory is the problem
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Analyzing host and VM memory
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Memory performance best practices
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Introduction
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Virtual memory reclamation techniques
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Monitoring a host-swapping activity
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Monitoring a host-ballooning activity
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Keeping memory free for VMkernel
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Key memory performance counters to monitor
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What counters not to use
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Identifying when memory is the problem
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Analyzing host and VM memory
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Memory performance best practices
3
Networking Performance Design
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Networking Performance Design
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Introduction
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Designing a vSphere Standard Switch for load balancing and failover
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Designing a vSphere Distributed Switch for load balancing and failover
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What to know when offloading checksum
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Selecting the correct virtual network adapter
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Improving performance through VMDirectPath I/O
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Improving performance through NetQueue
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Improving network performance using the SplitRx mode for multicast traffic
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Designing a multi-NIC vMotion
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Improving network performance using network I/O control
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Monitoring network capacity and performance matrix
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DRS, SDRS, and Resource Control Design
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DRS, SDRS, and Resource Control Design
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Introduction
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Using DRS algorithm guidelines
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Using resource pool guidelines
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Avoiding the use of a resource pool as a folder structure
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Choosing the best SIOC latency threshold
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Using storage capability and policy-driven storage
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Anti-affinity rules in the SDRS cluster
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Avoiding the use of the SDRS I/O metric and array-based automatic tiering together
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Using VMware SIOC and array-based automatic tiering together
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vSphere Cluster Design
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vSphere Cluster Design
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Introduction
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Trade-off factors while designing scale-up and scale-out clusters
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Using VM Monitoring
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vSphere Fault Tolerance design and its impact
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DPM and its impact
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Choosing the reserved cluster failover capacity
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Choosing the correct vSphere HA cluster size
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Storage Performance Design
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Storage Performance Design
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Introduction
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Designing the host for a highly available and high-performance storage
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Designing a highly available and high-performance iSCSI SAN
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Designing a highly available and high-performance FC storage
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Performance impact of queuing on the storage array and host
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Factors that affect storage performance
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Using VAAI or VASA to boost storage performance
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Selecting the right VM disk type
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Monitoring command queuing
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Identifying a severely overloaded storage
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Setting up VVols
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Introduction to vSAN
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Health check for vSAN
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Designing vCenter on Windows for Best Performance
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Designing vCenter on Windows for Best Performance
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Introduction
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Things to bear in mind while designing the vCenter platform
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Deploying Platform Services Controller
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Deploying the vCenter server components
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Designing vCenter server for redundancy
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Designing a highly available vCenter database
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vCenter database size and location affects performance
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Using vSphere 6.x Certificate Manager for certificates
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Designing vCenter server for Auto Deploy
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Designing VCSA for Best Performance
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Designing VCSA for Best Performance
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Introduction
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Deploying Platform Services Controller
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Deploying VCSA server components
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Setting up vCenter Server High Availability
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Adding VCSA to your Windows domain and adding users
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Checking VCSA performance using vimtop
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Checking VCSA performance using the GUI
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Virtual Machine and Virtual Environment Performance Design
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Virtual Machine and Virtual Environment Performance Design
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Introduction
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Setting the right time in Guest OS
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Virtual NUMA considerations
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Choosing the SCSI controller for storage
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Impact of VM swap file placement
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Using large pages in VMs
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Guest OS networking considerations
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When you should or should not virtualize an application
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Measuring the environment's performance
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Performance Tools
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Performance Tools
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Introduction
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PowerCLI - introduction
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PowerCLI scripts
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PowerCLI for Docker
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HCIBench
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Runecast
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Iometer
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VMware IOInsight

Introduction

Device and I/O virtualization involves managing the routing of I/O requests between virtual devices and the shared physical hardware. Software-based I/O virtualization and management, in contrast to a direct pass through to the hardware, enables a rich set of features and simplified management. With networking, virtual NICs and virtual switches create virtual networks between VMs that are running on the same host, without the network traffic consuming bandwidth on the physical network.

NIC Teaming consists of multiple physical NICs and provides failover and load balancing for VMs. VMs can be seamlessly relocated to different systems using VMware vMotion while keeping their existing MAC addresses and the running state. The key to effective I/O virtualization is to preserve these virtualization benefits while keeping the added CPU overhead to a minimum.

A hypervisor virtualizes the physical hardware and presents each VM with a standardized set of virtual devices. These virtual devices...

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