VMware is anything if not complete with tools, scripts, and third-party products that enable you to take advantage of your investment and infrastructure at their finest. In this chapter, we will discuss some of these items in brief and others in detail—how you could go deeper into using and exploring a virtualization environment and improving its performance.
Introduction
by Prasenjit Sarkar, Christopher Kusek, Kevin Elder
vSphere High Performance Cookbook - Second Edition
- Preface
- CPU Performance Design
- Introduction
- Critical performance consideration - VMM scheduler
- CPU scheduler - processor topology/cache-aware
- Ready time - warning sign
- 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
- Introduction
- Virtual memory reclamation techniques
- Monitoring a host-swapping activity
- Monitoring a host-ballooning activity
- Keeping memory free for VMkernel
- Key memory performance counters to monitor
- What counters not to use
- Identifying when memory is the problem
- Analyzing host and VM memory
- Memory performance best practices
- Introduction
- Virtual memory reclamation techniques
- Monitoring a host-swapping activity
- Monitoring a host-ballooning activity
- Keeping memory free for VMkernel
- Key memory performance counters to monitor
- What counters not to use
- Identifying when memory is the problem
- Analyzing host and VM memory
- Memory performance best practices
- Networking Performance Design
- Introduction
- Designing a vSphere Standard Switch for load balancing and failover
- Designing a vSphere Distributed Switch for load balancing and failover
- 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
- Introduction
- Using DRS algorithm guidelines
- Using resource pool guidelines
- Avoiding the use of a resource pool as a folder structure
- Choosing the best SIOC latency threshold
- Using storage capability and policy-driven storage
- Anti-affinity rules in the SDRS cluster
- Avoiding the use of the SDRS I/O metric and array-based automatic tiering together
- Using VMware SIOC and array-based automatic tiering together
- vSphere Cluster Design
- Storage Performance Design
- Introduction
- Designing the host for a highly available and high-performance storage
- Designing a highly available and high-performance iSCSI SAN
- Designing a highly available and high-performance FC storage
- Performance impact of queuing on the storage array and host
- Factors that affect storage performance
- Using VAAI or VASA to boost storage performance
- Selecting the right VM disk type
- Monitoring command queuing
- Identifying a severely overloaded storage
- Setting up VVols
- Introduction to vSAN
- Health check for vSAN
- Designing vCenter on Windows for Best Performance
- Introduction
- Things to bear in mind while designing the vCenter platform
- Deploying Platform Services Controller
- Deploying the vCenter server components
- Designing vCenter server for redundancy
- Designing a highly available vCenter database
- vCenter database size and location affects performance
- Using vSphere 6.x Certificate Manager for certificates
- Designing vCenter server for Auto Deploy
- Designing VCSA for Best Performance
- Virtual Machine and Virtual Environment Performance Design
- Introduction
- Setting the right time in Guest OS
- Virtual NUMA considerations
- Choosing the SCSI controller for storage
- Impact of VM swap file placement
- Using large pages in VMs
- Guest OS networking considerations
- When you should or should not virtualize an application
- Measuring the environment's performance
- Performance Tools
Introduction
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